CN110078262A - A kind of integrated reactor and its minimizing technology removing traces of antibiotic in combined pollution surface water - Google Patents
A kind of integrated reactor and its minimizing technology removing traces of antibiotic in combined pollution surface water Download PDFInfo
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- CN110078262A CN110078262A CN201910421618.8A CN201910421618A CN110078262A CN 110078262 A CN110078262 A CN 110078262A CN 201910421618 A CN201910421618 A CN 201910421618A CN 110078262 A CN110078262 A CN 110078262A
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- flocculation
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- ultrafiltration
- surface water
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- 239000002352 surface water Substances 0.000 title claims abstract description 131
- 230000003115 biocidal effect Effects 0.000 title claims abstract description 75
- 238000005516 engineering process Methods 0.000 title abstract description 13
- 238000005189 flocculation Methods 0.000 claims abstract description 315
- 230000016615 flocculation Effects 0.000 claims abstract description 310
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 141
- 238000004062 sedimentation Methods 0.000 claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 claims abstract description 57
- 239000010802 sludge Substances 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 129
- 239000012528 membrane Substances 0.000 claims description 103
- 230000009471 action Effects 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 28
- 239000008394 flocculating agent Substances 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 18
- 229920001661 Chitosan Polymers 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 13
- 229920002401 polyacrylamide Polymers 0.000 claims description 12
- 229940037003 alum Drugs 0.000 claims description 10
- 150000001413 amino acids Chemical class 0.000 claims description 8
- 229910000278 bentonite Inorganic materials 0.000 claims description 8
- 239000000440 bentonite Substances 0.000 claims description 8
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical group O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 8
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 8
- 238000007654 immersion Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010907 mechanical stirring Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 15
- 239000002351 wastewater Substances 0.000 description 12
- 239000000835 fiber Substances 0.000 description 11
- 238000011001 backwashing Methods 0.000 description 10
- 238000007599 discharging Methods 0.000 description 7
- 238000004064 recycling Methods 0.000 description 7
- 239000003864 humus Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
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- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004021 humic acid Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004098 Tetracycline Substances 0.000 description 1
- 239000004182 Tylosin Substances 0.000 description 1
- 229930194936 Tylosin Natural products 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005183 environmental health Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005111 flow chemistry technique Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- OGJPXUAPXNRGGI-UHFFFAOYSA-N norfloxacin Chemical compound C1=C2N(CC)C=C(C(O)=O)C(=O)C2=CC(F)=C1N1CCNCC1 OGJPXUAPXNRGGI-UHFFFAOYSA-N 0.000 description 1
- 229960001180 norfloxacin Drugs 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002846 particulate organic matter Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- SEEPANYCNGTZFQ-UHFFFAOYSA-N sulfadiazine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=NC=CC=N1 SEEPANYCNGTZFQ-UHFFFAOYSA-N 0.000 description 1
- 229960004306 sulfadiazine Drugs 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 235000019364 tetracycline Nutrition 0.000 description 1
- 229960002180 tetracycline Drugs 0.000 description 1
- 229930101283 tetracycline Natural products 0.000 description 1
- 150000003522 tetracyclines Chemical class 0.000 description 1
- WBPYTXDJUQJLPQ-VMXQISHHSA-N tylosin Chemical compound O([C@@H]1[C@@H](C)O[C@H]([C@@H]([C@H]1N(C)C)O)O[C@@H]1[C@@H](C)[C@H](O)CC(=O)O[C@@H]([C@H](/C=C(\C)/C=C/C(=O)[C@H](C)C[C@@H]1CC=O)CO[C@H]1[C@@H]([C@H](OC)[C@H](O)[C@@H](C)O1)OC)CC)[C@H]1C[C@@](C)(O)[C@@H](O)[C@H](C)O1 WBPYTXDJUQJLPQ-VMXQISHHSA-N 0.000 description 1
- 235000019375 tylosin Nutrition 0.000 description 1
- 229960004059 tylosin Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/40—Organic compounds containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses the integrated reactor and its minimizing technology of traces of antibiotic in a kind of removal combined pollution surface water, reactor includes sequentially connected feed pump, the first conventional flocculation basin, the second conventional flocculation basin, ballasted flocculation mixing pit, ballasted flocculation reaction tank, inclined plate sedimentation pond, ultrafiltration pond；First conventional flocculation basin, the second conventional flocculation basin, ballasted flocculation mixing pit, ballasted flocculation reaction tank, inclined plate sedimentation pond, ultrafiltration bottom of pond portion are provided with sludge pipe；Each sludge pipe is connect by sludge circulation pump with hydrocyclone；Hydrocyclone is located above ballasted flocculation mixing pit.Reactor of the present invention combines conventional flocculation, ballasted flocculation, inclined plate sedimentation and ultrafiltration membrance filter etc., realizes the removal of traces of antibiotic in combined pollution surface water by the synergistic effect between different device skill, while ensure that the removal of Conventional pollution；Entire reactor occupied area is small, and operating cost is cheap and high degree of automation, operational management are convenient.
Description
Technical field
The invention belongs to environmental pollution improvements, and in particular to a kind of to remove one of traces of antibiotic in combined pollution surface water
Body reactor and its minimizing technology.
Background technique
In recent years, since human medical and livestock and poultry cultivation industry are to the abuse of antibiotic, the antibiotic after using is with mother
The form of body or metabolite directly or indirectly enters environment, causes potential threat to human health and ecological environment.It is anti-
The Environmental Residues of raw element accelerate the development and propagation of bacterial drug resistance, it has also become global environmental health problems.
In essence, micro-filtration and hyperfiltration technique and it is not belonging to the further treatment technique of combined pollution surface water；Although receiving
Filter or the reverse osmosis removal ability that can increase substantially organic matter, but it is too high with operation cost, operational management it is complicated with
And producing water ratio it is low the problems such as, thus be rarely employed；And since antibiotic generally exists in natural surface water with trace concentration
(ng/L- μ g/L), conventional water treatment process removes it extremely difficult.Thus, there is an urgent need to develop it is a kind of investment and operation at
This low, simple combined pollution surface water treatment technology of operational management；Many researchers propose using ultrafiltration as the short of core
Flow processing technique, i.e., by coagulation and combining ultrafiltration, the effects of being swept using the absorption of coagulation, volume, is converted dissolved organic matter to
Particulate organic matter, this can effectively improve ultrafiltration technology to the removal ability of dissolubility larger molecular organics.Using this method
It is handled, delivery turbidity is often in 0.1NTU or less.But removal of this method for the trace organic substance of small-molecular-weight
Ability is limited.
Summary of the invention
Goal of the invention: in view of the problems of the existing technology, the present invention provides in a kind of removal combined pollution surface water
The integrated reactor of traces of antibiotic.Reactor of the invention is a kind of conventional flocculation-ballasted flocculation-inclined plate sedimentation-of coupling
Traces of antibiotic is the integrated reactor of target in the surface water to realize removal combined pollution of ultra-filtration process.It is of the invention first
Most of Conventional pollution (suspended particulate and humic acid etc.) in combined pollution surface water is removed first with conventional flocculation；It connects
Selection bentonite or montmorillonite be carrier, it is dual quick to choose a kind of amino-acid modified chitosan-based flocculant or pH, temperature
Perceptual chitosan flocculant is flocculation aid, removes most traces of antibiotic and remaining conventional pollution using ballasted flocculation
Object；The substances such as Conventional pollution and the antibiotic in further removal water body are acted on using inclined plate sedimentation and ultrafiltration membrance filter, from
And promote water quality.
The present invention also provides a kind of method of traces of antibiotic in surface water for removing combined pollution, this method performance is high
Effect, economically feasible, operation and maintenance are simple and are easily achieved in engineered.
Technical solution: to achieve the goals above, a kind of removal combined pollution earth's surface underwater trace as described in the present invention
The integrated reactor of antibiotic, including sequentially connected feed pump, the first conventional flocculation basin, the second conventional flocculation basin, carrier
Flocculation mixing tank, ballasted flocculation reaction tank, inclined plate sedimentation pond, ultrafiltration pond；It is provided with above described first conventional flocculation basin inorganic
Flocculant storage tank, the second conventional flocculation basin top are provided with organic flocculant storage tank, and setting helps above ballasted flocculation reaction tank
Solidifying agent storage tank；The first conventional flocculation basin, the second conventional flocculation basin, ballasted flocculation mixing pit, in ballasted flocculation reaction tank
Mechanical agitator is installed；Described first conventional flocculation basin, the second conventional flocculation basin, ballasted flocculation mixing pit, ballasted flocculation are anti-
Ying Chi, inclined plate sedimentation pond, ultrafiltration bottom of pond portion are provided with sludge pipe；Each sludge pipe passes through sludge circulation pump and hydrocyclone
Connection；Hydrocyclone is located above ballasted flocculation mixing pit.
The first conventional flocculation basin top is provided with inorganic flocculating agent storage tank, the second conventional flocculation under normal conditions in the present invention
It is provided with organic flocculant storage tank above pond, is provided with flocculation aid storage tank above ballasted flocculation reaction tank；Wherein, inorganic flocculating agent
Storage tank, organic flocculant storage tank have flocculation aid storage tank that can also be not arranged in surface, and being all finally will flocculation by adding pump
Agent and flocculation aid injection, the position of storage tank be not unique；And hydrocyclone mainly separates carrier and impurity, then recycles
A part of carrier direct plunges into ballasted flocculation mixing pit after recycling.It is logical in initial phase when just bringing into operation
It crosses and manually adds carrier initialization, subsequent is exactly recovery section wadding body as carrier.
Preferably, the described first conventional flocculation basin is communicated with the second conventional flocculation basin lower end, the described second conventional flocculation
Pond communicates the liquid level face of ballasted flocculation mixing pit with ballasted flocculation mixing pit upper end lower than the second conventional flocculation basin, and water is with overflow
Mode enters ballasted flocculation mixing pit, and the ballasted flocculation mixing pit is communicated with ballasted flocculation reaction tank lower end, the carrier wadding
Solidifying reaction tank, inclined plate sedimentation pond, ultrafiltration pond upper end communicate, it is heavy that water enters inclined plate from ballasted flocculation reaction tank in a manner of overflow
Pond drops, then overflow enters ultrafiltration pond.It is separated by between above-mentioned each component by partition, water flows into next from the lower end of previous component
A component enters next component from upper end in a manner of overflow.
Further, it is provided with hyperfiltration membrane assembly in the ultrafiltration pond, is equipped with bubbler below hyperfiltration membrane assembly.
Preferably, the hyperfiltration membrane assembly is immersion type membrane component, kit form is hollow-fibre membrane, ultrafiltration membrane
Material is Kynoar；The pore diameter range of ultrafiltration membrane is between 0.1~0.2 μm, and the membrane flux of ultrafiltration membrane is 20~50L/
m2·h。
Wherein, outlet pipe is installed above the ultrafiltration pond, the outlet pipe is connected with vacuum meter and suction pump respectively.
Further, the bubbler is connect by aerating pipelines with air compressor.
The method of traces of antibiotic, includes the following steps: in removal combined pollution surface water of the present invention
(1) surface water polluted by antibiotic is injected into the first conventional flocculation basin from feed pump, passes through throwing at the same time
Add pump to put into the inorganic flocculating agent in inorganic flocculating agent storage tank wherein, and start mechanical agitator, in churned mechanically effect
Under make water body and the raw flocculation of the uniform hybrid concurrency of inorganic flocculating agent；
(2) combined pollution surface water enters the second conventional flocculation basin, when combined pollution surface water enters the second conventional flocculation
Chi Shi by adding pump for the conventional flocculation basin of organic flocculant investment second in organic flocculant storage tank, and starts machinery and stirs
Device is mixed, acts on organic flocculant sufficiently with combined pollution surface water；
(3) combined pollution surface water enters ballasted flocculation mixing pit, adds carrier into ballasted flocculation mixing pit at this time, and
Start mechanical agitator, acts on carrier sufficiently with combined pollution surface water；
(4) combined pollution surface water enters ballasted flocculation reaction tank, through flocculation aid storage tank into ballasted flocculation reaction tank
Flocculation aid is added, and starts mechanical agitator, flocculation aid and combined pollution surface water is made to give full play to ballasted flocculation effect；
(5) overflow of combined pollution surface water is finally made through inclined plate sedimentation pond to inclined plate sedimentation pond after ballasted flocculation acts on
To ultrafiltration pond, entire reactor is discharged in the water after the ultrafiltration of ultrafiltration pond under the swabbing action of suction pump for water overflow after；
(6) first conventional flocculation basins, the second conventional flocculation basin, ballasted flocculation mixing pit, ballasted flocculation reaction tank, inclined plate are heavy
Sludge in drop pond, ultrafiltration pond is pumped into hydrocyclone through sludge circulation pump by sludge pipe and is separated, and recycles carrier.
Wherein, the inorganic flocculating agent is alum or aluminium polychloride；The organic flocculant is polyacrylamide；It is described
Carrier can be bentonite or montmorillonite；The flocculation aid is that amino-acid modified chitosan-based flocculant or pH, temperature are dual
Sensibility chitosan flocculant.
Further, it is that the water in ultrafiltration pond passes through that entire reactor, which is discharged, in the water after step (5) the ultrafiltration pond ultrafiltration
Reactor is discharged in the swabbing action of suction pump；When water enters ultrafiltration pond, air is pumped by rousing by air compressor Xiang Shuizhong
Bubbler aeration, and ultrafiltration membrane filaments surface attachments are cleaned using air shear action.
Preferably, the hydraulic detention time in step (5) the inclined plate sedimentation pond is 20~40min；Combined pollution earth's surface
The hydraulic detention time that water flows through ultrafiltration pond is 20~60min；Gas-water ratio 5:1~the 150:1 being aerated by bubbler is that is, super
Gas-water ratio 5:1~150:1 in membrane filtration unit area.
In integrated reactor of the invention, the described first conventional flocculation mixing tank and the described second conventional flocculation reaction
The main function in pond is the Conventional pollution (suspended particulate, humus etc.) removed in combined pollution surface water, wherein add
Inorganic flocculating agent is alum or aluminium polychloride, the dosage of alum or aluminium polychloride in the first conventional flocculation basin is 10~
20ppm (adds rear final concentration, similarly hereinafter), and the dosage of the organic flocculant (polyacrylamide) in the second conventional flocculation basin is 40
~60ppm；And first the stirring rate of blender in conventional flocculation basin be 150~250r/min, stirred in the second conventional flocculation basin
The stirring rate for mixing device is 20~80r/min.
In integrated reactor of the invention, the main function of the ballasted flocculation mixing pit and ballasted flocculation reaction tank is
Removing most of traces of antibiotic and remaining Conventional pollution, the carrier can be bentonite and is also possible to montmorillonite,
Carrier dosage in ballasted flocculation mixing pit is 0.05~0.3ppm, promotes initial wadding body to wrap up carrier by mechanical stirring,
And the suspended particulate in surface water is made to form the coarsening wadding body for having carrier, corresponding mechanical stirring rate is 20~80r/
min；The flocculation aid is that a kind of amino-acid modified chitosan-based flocculant (ZL201610097336.3) or pH, temperature are double
Weight sensibility chitosan flocculant (ZL201510140315.0), and in ballasted flocculation reaction tank flocculation aid dosage be 10~
20ppm, the stirring rate of corresponding mechanical agitator are 20~80r/min.
In integrated reactor of the invention, the main function in the inclined plate sedimentation pond and ultrafiltration pond is the remaining trace of removal
Measure antibiotic and other pollutants.The hydraulic detention time in the inclined plate sedimentation pond is 20~40min, and inclined plate sedimentation pond is for dividing
From the water and alumina blossom particles in the ballasted flocculation reaction tank treated surface water；Film of the water in ultrafiltration pond filters
The hydraulic detention time in area is that 20~60min ultrafiltration pond further removes the Conventional pollution not settled and combined pollution surface water
In traces of antibiotic, what is mainly removed is traces of antibiotic；It is to pass through pumping that the water outlet in inclined plate sedimentation pond, which flows through hyperfiltration membrane assembly,
What the swabbing action of sucking pump was accomplished.Outlet pipe is installed above hyperfiltration membrane assembly, is equipped on the outlet pipe
Suction pump, under the action of suction pump, the water in ultrafiltration pond enters inside on the outside of film, and finally flows out through outlet pipe；Suction
The negative pressure formed on hyperfiltration membrane assembly is pumped, through vacuum meter control between 10kPa~60kPa.
To guarantee membrane flux, backwashing to ultrafiltration membrane for timing is needed in device operational process, backwashing water is warp
Hyperfiltration membrane assembly treated water outlet.Under the action of backwashing pump, backwashing water is flowed out by the Inside To Outside of film, is attached to
The pollutant of film surface is able to be detached from from film surface.
Bubbler is equipped in integrated reactor of the invention below hyperfiltration membrane assembly, is pumped by air compressor into water
Enter air, and cleans ultrafiltration membrane filaments surface attachments using air shear action.Aerator can be boring aeration pipe or exposure
Gas head etc..
The lower section of each reaction bottom of pond portion and hyperfiltration membrane assembly of the invention is all equipped with sludge pipe.Biggish of density in water
The impurity such as grain object, wadding body enter sludge pipe under the effect of gravity, and are pumped into hydrocyclone by sludge circulation pump, waterpower rotation
Stream device is got off carrier sedimentation separation by the effect of centrifugal force, and the carrier of recycling is put into again in ballasted flocculation mixing pit
It uses, the part discharge after hydrocyclone acts in addition to carrier；Sludge discharging period can be 12~48 hours.
The present invention, which passes through, couples conventional flocculation unit, ballasted flocculation unit, inclined plate sedimentation unit and ultrafiltration membrance filter unit,
A kind of integrated reactor is constructed, and selects amino-acid modified chitosan-based flocculant or pH, temperature doubling sensitivity shell poly-
It is anti-to substantially increase combined pollution earth's surface underwater trace using bentonite or montmorillonite as carrier as flocculation aid for sugared flocculant
The removal efficiency of raw element.
The invention firstly uses conventional flocculation by combined pollution surface water most of Conventional pollution (suspended particulate and
Humus etc.) removal；Then it chooses bentonite or montmorillonite is carrier, choose a kind of amino-acid modified chitosan-based flocculant
Or pH, temperature doubling sensitivity chitosan flocculant are flocculation aid, using ballasted flocculation remove most traces of antibiotic with
Remaining Conventional pollution；The remaining Conventional pollution in further removal water body is acted on using inclined plate sedimentation and ultrafiltration membrance filter
With the substances such as antibiotic, to promote water quality.Using hydrocyclone by the carrier recovery in the sludge being discharged by reactor simultaneously
It is recycled, to reduce the usage amount of carrier to a certain extent.Air is provided into water using aerator, and utilizes sky
Gas shear action cleans ultrafiltration membrane filaments surface attachments.The sludge to fall off enters sludge pipe under gravity, and passes through dirt
Mud circulating pump is pumped into hydrocyclone and is separated.
The method that the present invention realizes traces of antibiotic removal in combined pollution surface water: often from feed pump to described first
The surface water polluted by antibiotic is injected in rule flocculation basin and adds inorganic flocculating agent thereto at the same time, in the work of blender
Under, water body and the raw flocculation of the uniform hybrid concurrency of inorganic flocculating agent, after through the first conventional flocculation basin lower end enter second
Conventional flocculation basin adds organic wadding into the second conventional flocculation basin when combined pollution surface water enters the second conventional flocculation basin
Solidifying agent, and start blender, act on organic flocculant sufficiently with combined pollution surface water, combined pollution surface water enters later
Ballasted flocculation unit, overflow is to inclined plate sedimentation pond after ballasted flocculation acts on, the finally water overflow after the effect of inclined plate sedimentation pond
To the ultrafiltration pond for being equipped with hyperfiltration membrane assembly, it is aerated at this point, providing compressed air into water from aerator, after processing
Water pass through the suction outflow reactor for the suction pump being connected with the outlet pipe being mounted on above hyperfiltration membrane assembly.
The utility model has the advantages that compared with prior art, the present invention has the advantage that
1, in removal combined pollution surface water of the invention the integrated reactor of traces of antibiotic by conventional flocculation, carrier
Flocculation, inclined plate sedimentation and ultrafiltration membrance filter etc. combine, and by the synergistic effect of different reactor technology room, are guaranteeing conventional pollution
While the removal of object such as suspended particulate and humus, with also achieving existing conventional techniques removal combined pollution relatively difficult to achieve
The purpose of table underwater trace antibiotic has fully ensured that effluent quality safety.
2, entire reactor lightweight of the invention, occupied area are small, and operating cost is cheap and high degree of automation, operation are managed
Reason is convenient.
3, reactor of the invention has carrier loop device, reduces the usage amount of carrier to a certain extent, realizes
The treatment of wastes with processes of wastes against one another reduces sludge output, and improves efficiency.
4, using the method for traces of antibiotic in reactor removal combined pollution surface water of the invention have performance efficiency,
Economically feasible, operation and maintenance are simple and the advantage that is easily achieved in engineered, have fully ensured that the microbial safety of water outlet
Property.
5, fouling membrane can be effectively controlled in reactor of the invention, extends the service life of ultrafiltration membrane, further decreases fortune
Row cost.
6, the treating capacity of reactor of the invention is easily enlarged, and can flexibly be selected according to actual treatment demand.
7, reactor of the invention is easily achieved vehicle-mounted, and flexible use and water quality emergency processing easy to remove use.
Detailed description of the invention
Fig. 1 is the integrated reactor structural schematic diagram of traces of antibiotic in removal combined pollution surface water of the invention.
The corresponding element of label in Fig. 1 are as follows: 1- feed pump；2- mechanical agitator；3- inorganic flocculating agent storage tank；The organic wadding of 4-
Solidifying agent storage tank；5- flocculation aid storage tank；The conventional flocculation basin of 6- first；The conventional flocculation basin of 7- second；8- ballasted flocculation mixing pit；9- is carried
Body flocculation tank；10- sludge pipe；11- inclined plate sedimentation pond；12- ultrafiltration pond；13- flocculation basin mud valve；14- inclined plate sedimentation pond
Mud valve；15- ultrafiltration pond mud valve；16- air valve；17- water outlet/backwash valve；18- flocculant inlet valve；19- inlet valve；
20- flocculant concentration pump；21- suction/backwashing pump；22- sludge circulation pump；23- bubbler；24- hyperfiltration membrane assembly；25- is empty
Air compressor；26- aerating pipelines；27- vacuum meter；28- hydrocyclone；, 29- outlet pipe, the horizontal line in figure above each pond
For liquid level line.
Specific embodiment
Below in conjunction with drawings and examples, the invention will be further described.
Embodiment 1
As shown in Figure 1, a kind of integrated reactor for removing traces of antibiotic in combined pollution surface water, including successively connect
The conventional flocculation basin 7 of the conventional flocculation basin 6, second of the feed pump 1, first connect, ballasted flocculation mixing pit 8, ballasted flocculation reaction tank 9,
Inclined plate sedimentation pond 11, ultrafiltration pond 12；First conventional flocculation basin 6 is communicated with the second 7 lower end of conventional flocculation basin, the second conventional flocculation basin
7 communicate with 8 upper end of ballasted flocculation mixing pit, and water enters ballasted flocculation mixing pit 8, ballasted flocculation mixing pit 8 in a manner of overflow
It is communicated with 9 lower end of ballasted flocculation reaction tank, ballasted flocculation reaction tank 9 is communicated with 11 upper end of inclined plate sedimentation pond, inclined plate sedimentation pond 11
It is communicated with 12 upper end of ultrafiltration pond；The water of ballasted flocculation reaction tank 9 enters inclined plate sedimentation pond 11, inclined plate sedimentation pond in a manner of overflow
Water in 11 equally enters ultrafiltration pond 12 in a manner of overflow.
It is provided with inorganic flocculating agent storage tank 3 above first conventional flocculation basin 6, has been provided with above the second conventional flocculation basin 7
Machine flocculant storage tank 4 is provided with flocculation aid storage tank 5 above ballasted flocculation reaction tank 9；The first conventional wadding of conventional flocculation basin 6, second
Solidifying pond 7, ballasted flocculation mixing pit 8 are mounted on mechanical agitator 2 in ballasted flocculation reaction tank 9；First conventional flocculation basin 6, the
Two conventional flocculation basins 7, ballasted flocculation mixing pit 8, ballasted flocculation reaction tank 9, inclined plate sedimentation pond 11,12 bottom of ultrafiltration pond are respectively provided with
There is sludge pipe 10；Each sludge pipe 10 is connect by sludge circulation pump 22 with hydrocyclone 28, in the work of sludge circulation pump 22
It is separated with lower sludge is pumped into hydrocyclone 28；Hydrocyclone 28 is located at 8 top of ballasted flocculation mixing pit.
It is provided with hyperfiltration membrane assembly 24 in ultrafiltration pond 12, is equipped with bubbler 23 below hyperfiltration membrane assembly 24；Hyperfiltration membrane assembly
24 be immersion type membrane component, and kit form is hollow-fibre membrane, and the material of ultrafiltration membrane is Kynoar；The aperture of ultrafiltration membrane
Range is between 0.01~0.2 μm, and the membrane flux of ultrafiltration membrane is 20~50L/m2·h.Outlet pipe is installed above ultrafiltration pond 12
29, outlet pipe 29 is connected with vacuum meter 27 and suction pump 21 respectively, and reactor is discharged by the swabbing action of suction pump 21 in water；
Bubbler 23 is connect by aerating pipelines 26 with air compressor 25, and aerating pipelines 26 can be boring aeration pipe or aeration head
Deng.
Feed pump 1 in entire reactor connects the control charging of inlet valve 19；The first conventional wadding of conventional flocculation basin 6, second
Solidifying pond 7, ballasted flocculation mixing pit 8, ballasted flocculation reaction tank 9 sewage pipe 10 and sludge circulation pump 22 between be provided with flocculation
Pond mud valve 13, is provided with inclined plate sedimentation pond mud valve 14 between inclined plate sedimentation pond 11 and sludge circulation pump 22, ultrafiltration pond 12 with
Ultrafiltration pond mud valve 15 is provided between sludge circulation pump 22 for controlling mud discharging；Aerating pipelines 26 and air compressor 25
Between be provided with air valve 16 for control air enter；Outlet pipe 29 is provided with water outlet/recoil between suction pump 21 respectively
Wash valve 17；Between first conventional flocculation basin 6 and inorganic flocculating agent storage tank 3, the second conventional flocculation basin 7 and organic flocculant storage tank 4
Between, ballasted flocculation reaction tank 9 and having is provided with flocculant inlet valve 18 and flocculant concentration pump 20 between flocculation aid storage tank 5
For controlling the addition of flocculant.
Embodiment 2
The integrated reactor of constitution and implementation example 1 carries out the minimizing technology of traces of antibiotic in combined pollution surface water are as follows:
Combined pollution surface water is injected to the first conventional flocculation basin 6 by feed pump 1, flow of inlet water 11.1ml/min, at the same time,
It opens flocculant inlet valve 18 and the alum in inorganic flocculating agent storage tank 3 is injected into the first flocculation basin 6 using flocculant concentration pump 20,
The dosage of alum is 10ppm, and starts mechanical agitator 2, and the revolving speed of blender is 200r/min, makes combined pollution surface water
Flocculation is sufficiently mixed and occurred with alum, through the first conventional flocculation basin 6 treated surface water from the connection of two pond lower ends
Place flows into the second conventional flocculation basin 7, and flocculant inlet valve 18 is opened while surface water flows into and uses flocculant concentration pump 20
Polyacrylamide, dosage 50ppm are added into the second conventional flocculation basin 7 by organic flocculant storage tank 4, and is stirred in machinery
Mixing acts on polyacrylamide sufficiently with surface water under the action of device 2, and the mixing speed of blender is 50r/min at this time, later
Surface water, to ballasted flocculation mixing pit 8, carrier, and starter motor is added into flocculation mixing tank 8 by the second conventional 7 overflow of flocculation basin
The stirring rate of tool blender 2, corresponding blender is 60rpm, acts on carrier sufficiently with combined pollution surface water；Ballasted flocculation
Carrier in mixing pit 8 is mainly derived from two aspects, and a part derives from the carrier for recycling and generating through hydrocyclone 28,
Another part is then the carrier newly supplemented, and the carrier added is montmorillonite, dosage 0.2ppm；Surface water is by entering later
Ballasted flocculation reaction tank 9 opens flocculant inlet valve 18 using flocculant concentration pump 20 and passes through flocculation aid storage tank 5 to ballasted flocculation
Add flocculation aid pH, temperature doubling sensitivity chitosan flocculant in reaction tank 9, corresponding dosage is 10ppm, and starter motor
Tool blender 2, the stirring rate of corresponding blender are 60rpm, make flocculation aid and the abundant ballasted flocculation of combined pollution surface water
With；For waste water outflow after after the effect of ballasted flocculation reaction tank 9 to inclined plate sedimentation pond 11, combined pollution surface water is heavy in inclined plate
Dropping the residence time in pond 11 is 20 minutes, and finally the water overflow after inclined plate sedimentation pond 11 acts on is to being equipped with hyperfiltration membrane assembly
Ultrafiltration pond 12, reactor is discharged by the swabbing action of suction pump in the water in ultrafiltration pond 12；When water enters ultrafiltration pond 12,
When water enters ultrafiltration pond 12, air is pumped by 25 Xiang Shuizhong of air compressor and is aerated by bubbler 23, and sheared using air
Ultrafiltration membrane filaments surface attachments, hydraulic detention time of the water in the ultrafiltration membrance filter region equipped with hollow-fibre membrane are cleaned in effect
It is 30 minutes；The hollow-fibre membrane used is immersion type membrane component, and ultrafiltration membrane material is Kynoar；The aperture of ultrafiltration membrane
It is 0.1 μm, the membrane flux of ultrafiltration membrane is 30L/m2·h。
The method for removing traces of antibiotic in combined pollution surface water, combined pollution surface water first flow through the first conventional wadding
Solidifying pond 6 and the second conventional flocculation basin 7, remove the most of suspended particulate and humic in combined pollution surface water by flocculation process
The Conventional pollutions such as matter and a small amount of antibiotic are then reacted through ballasted flocculation unit ballasted flocculation mixing pit 8 and ballasted flocculation
Pond 9 removes most traces of antibiotic and remaining Conventional pollution in combined pollution surface water, opens water outlet/backwash valve
17 make the combined pollution surface water in ultrafiltration pond 12 enter inside on the outside of film by the swabbing action of suction pump 21, and final
The ultrafiltration membrance filter unit is flowed through, the water in ultrafiltration pond enters inside on the outside of film, and finally flows out through outlet pipe；Suction
The negative pressure formed on hyperfiltration membrane assembly is pumped, is controlled by vacuum meter 27 in 10kPa.
24 backwashing period of ultrafiltration membrane group 30 minutes guarantees that film can extend the service life of film always, it is logical to open air valve 16
It crosses air compressor 25 and is pumped into compressed air into water, the gas-water ratio in ultrafiltration membrance filter unit area is 5:1.Open flocculation basin
Sludge pipe 10 in mud valve 13, inclined plate sedimentation pond mud valve 14, ultrafiltration pond spoil disposal 15 and each slot of reactor, and pass through spoil disposal
Mud is discharged pipe, and is pumped into hydrocyclone 28 and is separated through sludge circulation pump 22, and sludge discharging period is 36 hours.
The concentration of sulfapryidine is 10 μ g/L, turbidity 25NTU, UV in the present embodiment pending water254It is 0.35, uses
The above method is handled, and antibiotic concentration is 0.4 μ g/L in water outlet, and removal rate is up to 95.5%, and delivery turbidity is
0.25NTU, removal rate are up to 99%, UV254It is 0.003, removal rate is up to 99.1%, and the water outlet status in specific each stage is shown in Table
One.
Embodiment 3
The integrated reactor of constitution and implementation example 1 carries out the minimizing technology of traces of antibiotic in combined pollution surface water are as follows:
Combined pollution surface water is injected to the described first conventional flocculation basin 6 by feed pump 1, flow of inlet water 8.33ml/min, with
This opens flocculant inlet valve 18 using flocculant concentration pump 20 and the alum in inorganic flocculating agent storage tank 3 is injected first simultaneously
The dosage of flocculation basin, alum is 15ppm, and starts mechanical agitator 2, and the mixing speed of blender is 180r/min, is made multiple
It closes polluted surface water and alum and is sufficiently mixed and occurs flocculation, through the first conventional flocculation basin 6 treated surface water from two
The connectivity part of pond lower end flows into the second conventional flocculation basin 7, opens flocculant inlet valve 18 while surface water flows into and uses wadding
Solidifying agent adds pump 20 and adds polyacrylamide into the second conventional flocculation basin 7 by organic flocculant storage tank 4, and dosage is
40ppm, and polyacrylamide is acted on sufficiently with surface water under the action of blender, the mixing speed of blender is 40r/
Min, surface water is added by the second conventional 7 overflow of flocculation basin to ballasted flocculation mixing pit 8 into ballasted flocculation mixing pit 8 later
Carrier, and start mechanical agitator 2, the stirring rate of corresponding mechanical agitator is 50rpm, makes carrier and combined pollution earth's surface
Water sufficiently acts on；Carrier in ballasted flocculation mixing pit 8 is mainly derived from two aspects, and a part is from through hydrocyclone
The carrier of 28 recycling and generation, another part is then the carrier newly supplemented, and the carrier added is bentonite, and dosage is
0.1ppm；Surface water enters ballasted flocculation reaction tank 9 later, opens flocculant inlet valve 18 and is led to using flocculant concentration pump 20
It crosses flocculation aid storage tank 5 and adds the amino-acid modified chitosan-based flocculant of flocculation aid into ballasted flocculation reaction tank
ZL201610097336.3, corresponding dosage are 15ppm；And start mechanical agitator, corresponding stirring rate is 50rpm,
Flocculation aid and combined pollution surface water is set to give full play to ballasted flocculation effect；Waste water after after the effect of ballasted flocculation unit overflows
It is flow to inclined plate sedimentation pond 11, residence time of the combined pollution surface water in inclined plate sedimentation pond is 30 minutes, finally heavy through inclined plate
Water overflow after pond 11 acts on drops to the ultrafiltration pond 12 for being equipped with hyperfiltration membrane assembly, and the water in ultrafiltration membrane pool 12 passes through suction pump
Reactor is discharged in swabbing action；When water enters ultrafiltration membrane pool 12, air is pumped by 25 Xiang Shuizhong of air compressor, and utilize
Air shear action cleans ultrafiltration membrane filaments surface attachments, and water is in the ultrafiltration membrance filter region equipped with the hollow-fibre membrane
Hydraulic detention time be 40 minutes；The hollow-fibre membrane used is immersion type membrane component, and ultrafiltration membrane material is polyvinylidene fluoride
Alkene；The aperture of ultrafiltration membrane is 0.2 μm, and the membrane flux of ultrafiltration membrane is 50L/m2·h。
It is conventional to first pass around the first conventional flocculation basin 6 and second for the method for antibiotic in above-mentioned removal combined pollution waste water
Flocculation basin 7 removes the Conventional pollutions such as most of suspended particulate and the humic acid in combined pollution surface water by flocculation process
With a small amount of antibiotic, combined pollution then is removed through ballasted flocculation unit ballasted flocculation mixing pit 8 and ballasted flocculation reaction tank 9
Most traces of antibiotic and remaining Conventional pollution in surface water open water outlet/backwash valve 17 and pass through suction pump 21
Swabbing action make the waste water in ultrafiltration slot enter inside on the outside of the film, and finally flow through the ultrafiltration membrance filter unit,
Water in ultrafiltration pond enters inside on the outside of film, and finally flows out through outlet pipe；Suction pump is formed negative on hyperfiltration membrane assembly
Pressure is controlled by vacuum meter 27 in 30kPa
Hyperfiltration membrane assembly backwashing period 30 minutes.It opens air valve 16 and compression is pumped into water by air compressor 25
Air, the gas-water ratio range in the ultrafiltration membrance filter unit area is 15:1.Open flocculation basin mud valve 13, inclined plate sedimentation
Pond mud valve 14, ultrafiltration pond mud valve 15, the sludge in each slot of reactor is discharged by sludge pipe, and is pumped through sludge circulation pump
Enter in hydrocyclone and separated, sludge discharging period is 48 hours.
The concentration of Norfloxacin is 12 μ g/L, turbidity 23NTU, UV in pending water254It is 0.31, using the above method
It is handled, antibiotic concentration is 0.3 μ g/L in water outlet, and removal rate is up to 92%, and delivery turbidity 0.2NTU, removal rate is up to
99.1%, UV254It is 0.003, removal rate is up to 99.%, and the water outlet status in specific each stage is shown in Table two.
Embodiment 4
The integrated reactor of constitution and implementation example 1 carries out the minimizing technology of traces of antibiotic in combined pollution surface water are as follows:
Waste water is injected to the described first conventional flocculation basin 6 by feed pump 1, flow of inlet water 16.6ml/min is opened at the same time
Flocculant inlet valve 18 is wadded a quilt with cotton the first routine of aluminium polychloride injection in inorganic flocculating agent storage tank 3 using flocculant concentration pump 20
The dosage in solidifying pond, aluminium polychloride is 20ppm, and starts mechanical agitator 2, and the revolving speed of blender is 160r/min, is made multiple
It closes polluted surface water and aluminium polychloride and is sufficiently mixed and occurs flocculation, through the first conventional flocculation basin 6 treated earth's surface
Water flows into the second conventional flocculation basin 7 from the connectivity part of two pond lower ends, and flocculant inlet valve 18 is opened while surface water flows into
Polyacrylamide, dosage are added into the second conventional flocculation basin 7 by organic flocculant storage tank using flocculant concentration pump 20
For 60ppm, and act on polyacrylamide sufficiently with surface water under the action of blender, at this time the revolving speed of corresponding blender
For 30r/min, later surface water by the second conventional 7 overflow of flocculation basin to ballasted flocculation mixing pit 8, to ballasted flocculation mixing pit 8
In add carrier, and start mechanical agitator 2, the stirring rate of corresponding blender is 40rpm, with making flocculation aid and combined pollution
Ballasted flocculation effect sufficiently occurs for table water, and the carrier in ballasted flocculation mixing pit 8 is mainly derived from two aspects, a part of source
In the carrier for recycling and generating through hydrocyclone 28, another part is then the carrier newly supplemented, and the carrier added is swelling
Soil, dosage 0.25ppm, surface water ballasted flocculation reaction tank 9, opens flocculant feed pump 18 and uses flocculant concentration later
Pump 20 adds flocculation aid pH, temperature doubling sensitivity chitosan flocculant into ballasted flocculation reaction tank 9 by flocculation aid storage tank 5
ZL201510140315.0, corresponding dosage is 18ppm, and starts mechanical agitator 2, and the stirring rate of corresponding blender is
40rpm makes flocculation aid and combined pollution surface water give full play to ballasted flocculation effect, acts on after through ballasted flocculation reaction tank 9
Waste water outflow afterwards is to inclined plate sedimentation pond 11, and residence time of the combined pollution surface water in inclined plate sedimentation pond is 40 minutes, most
For the water overflow after inclined plate sedimentation pond 11 acts on to the ultrafiltration pond 12 for being equipped with hyperfiltration membrane assembly, the water in ultrafiltration membrane pool 12 is logical eventually
Cross the swabbing action discharge reactor of suction pump；When water enters ultrafiltration membrane pool 12, it is pumped by 25 Xiang Shuizhong of air compressor
Air, and ultrafiltration membrane filaments surface attachments are cleaned using air shear action, water is in the ultrafiltration that the hollow-fibre membrane is housed
Hydraulic detention time in film filtration zone is 60 minutes；The hollow-fibre membrane used is immersion type membrane component, and ultrafiltration membrane material
Matter is Kynoar；The aperture of ultrafiltration membrane is 0.15 μm, and the membrane flux of ultrafiltration membrane is 20L/m2·h。
The method of antibiotic in above-mentioned removal combined pollution waste water, combined pollution surface water first pass around the first conventional flocculation
Pond 6 and the second conventional flocculation basin 7, remove the most of suspended particulate and humus in combined pollution surface water by flocculation process
Equal Conventional pollutions and a small amount of antibiotic, then through ballasted flocculation unit ballasted flocculation mixing pit 8 and ballasted flocculation reaction tank 9
Most traces of antibiotic and remaining Conventional pollution in combined pollution surface water are removed, water outlet/backwash valve 17 is opened,
Make the combined pollution surface water in ultrafiltration slot enter inside on the outside of film by the swabbing action of suction pump, and finally flows through institute
The ultrafiltration membrance filter unit stated, the water in ultrafiltration pond enters inside on the outside of film, and finally flows out through outlet pipe；Suction pump is super
The negative pressure formed on filter membrane component is controlled by vacuum meter 27 in 50kPa.
Hyperfiltration membrane assembly backwashing period 30 minutes, air valve 16 was opened by air compressor and is pumped into compression sky into water
Gas, the gas-water ratio range in the ultrafiltration membrance filter unit area is 60:1.Open flocculation basin mud valve 13, inclined plate sedimentation pond
Sludge is discharged by sludge pipe, and followed through sludge by the sludge pipe 10 in mud valve 14, ultrafiltration pond mud valve 15 and each slot
Ring is pumped into hydrocyclone and is separated, and sludge discharging period is 24 hours.
The concentration of tylosin is 9 μ g/L, turbidity 22NTU, UV in pending water254Be 0.40, using the above method into
Row is handled, and antibiotic concentration is 0.2 μ g/L in water outlet, and removal rate is up to 97%, and delivery turbidity 0.2NTU, removal rate is up to
99.1%, UV254It is 0.001, removal rate is up to 99.8%, and the water outlet status in specific each stage is shown in Table three.
Embodiment 5
It establishes if embodiment 1 is for removing the integrated reactor of antibiotic in combined pollution surface water.Using above-mentioned
Integrated reactor carries out the minimizing technology of antibiotic in combined pollution surface water are as follows:
Combined pollution surface water is injected to the described first conventional flocculation basin 6 by feed pump 1, flow of inlet water is
12.5ml/min, at the same time, opening flocculant feed pump 18 will be in inorganic flocculating agent storage tank 3 using flocculant concentration pump 20
Aluminium polychloride injects the first flocculation basin 6, and the dosage of aluminium polychloride is 16ppm, and starts mechanical agitator 2, stirring speed
Degree is 170r/min, and combined pollution surface water and aluminium polychloride is made to be sufficiently mixed and occur flocculation, through the first conventional wadding
Treated in solidifying pond 6 surface water flows into the second conventional flocculation basin 7 from the connectivity part of two pond lower ends, beats while surface water flows into
It opens flocculant feed pump 18 and is added by organic flocculant storage tank 4 into the second conventional flocculation basin 7 using flocculant concentration pump 20
Polyacrylamide, dosage 45ppm, and polyacrylamide is acted on sufficiently with surface water under the action of blender 2, at this time
Corresponding mixing speed is 30r/min, and surface water passes through by the second conventional 7 overflow of flocculation basin to ballasted flocculation mixing pit 8 later
Carrier storage tank adds carrier into ballasted flocculation mixing pit 8, and starts mechanical agitator 2, and the stirring rate of corresponding blender is
50rpm acts on carrier sufficiently with combined pollution surface water；Carrier in ballasted flocculation mixing pit 8 is mainly derived from two sides
Face, for a part from the carrier for recycling and generating through hydrocyclone 28, another part is then the carrier newly supplemented, and is added
Carrier be bentonite, dosage 0.25ppm, surface water enters ballasted flocculation reaction tank 9 later, opens flocculant inlet valve
18 and by flocculation aid storage tank 5, that flocculation aid pH, temperature are added into ballasted flocculation reaction tank 9 is dual using flocculant concentration pump 20
Sensibility chitosan flocculant ZL201510140315.0, dosage 18ppm, and start mechanical agitator 2, corresponding blender
Stirring rate be 50rpm, make flocculation aid and combined pollution surface water give full play to ballasted flocculation effect；Through ballasted flocculation after
Reaction tank 9 act on after waste water outflow to inclined plate sedimentation pond 11, residence time of the combined pollution surface water in inclined plate sedimentation pond
It is 35 minutes, the finally water overflow after inclined plate sedimentation pond 11 acts on to the ultrafiltration pond 12 for being equipped with hyperfiltration membrane assembly, ultrafiltration membrane
Reactor is discharged by the swabbing action of suction pump in water in pond 12；When water enters ultrafiltration membrane pool 12, pass through air compressor
Xiang Shuizhong is pumped into air, and the attachment on ultrafiltration membrane filaments surface is cleaned using air shear action, and water is equipped with described hollow
Hydraulic detention time in the ultrafiltration membrance filter region of tunica fibrosa is 45 minutes；The hollow-fibre membrane used is submerged membrane group
Part, and ultrafiltration membrane material is Kynoar；The aperture of ultrafiltration membrane is 0.15 μm, and the membrane flux of ultrafiltration membrane is 30L/m2·h。
The method of antibiotic in above-mentioned removal combined pollution surface water, combined pollution surface water first pass around the first conventional wadding
Solidifying pond 6 and the second conventional flocculation basin 7, remove the most of suspended particulate and humic in combined pollution surface water by flocculation process
The Conventional pollutions such as matter and a small amount of antibiotic are then reacted through ballasted flocculation unit ballasted flocculation mixing pit 8 and ballasted flocculation
Pond 9 removes most traces of antibiotic and remaining Conventional pollution in waste water, opens water outlet/backwash valve 17, passes through pumping
The swabbing action of sucking pump makes the combined pollution surface water in ultrafiltration slot enter inside on the outside of film, and finally through outlet pipe stream
Out；The negative pressure that suction pump is formed on hyperfiltration membrane assembly is controlled by vacuum meter 27 in 60kPa.
Hyperfiltration membrane assembly backwashing period 30 minutes, air valve 16 was opened by air compressor and is pumped into compression sky into water
Gas, the gas-water ratio range in ultrafiltration membrance filter unit area is 120:1.Open flocculation basin mud valve 13, inclined plate sedimentation pond spoil disposal
Sludge pipe 10 in valve 14, ultrafiltration pond mud valve 15 and each slot of reactor, mud is discharged by sludge pipe, and follows through sludge
Ring is pumped into hydrocyclone and is separated, and sludge discharging period is 32 hours.
The concentration of sulphadiazine is 16 μ g/L, turbidity 30NTU, UV in pending water254It is 0.60, using the above method
It is handled, antibiotic concentration is 0.3 μ g/L in water outlet, and removal rate is up to 98.1%, delivery turbidity 0.1NTU, and removal rate is high
Up to 99.7%, UV254It is 0.005, removal rate is up to 99.2%, and the water outlet status in specific each stage is shown in Table four.
Embodiment 6
It establishes if embodiment 1 is for removing the integrated reactor of antibiotic in combined pollution surface water.Using above-mentioned
Integrated reactor carries out the minimizing technology of antibiotic in combined pollution surface water are as follows:
Combined pollution surface water, flow of inlet water 15ml/ are injected to the described first conventional flocculation basin 6 by feed pump 1
Min opens flocculant feed pump 18 using flocculant concentration and pumps 20 for the polymerization chlorine in inorganic flocculating agent storage tank 3 at the same time
Change the conventional flocculation basin 6 of aluminium injection first, the dosage of aluminium polychloride is 18ppm, and starts mechanical agitator 2, mixing speed
For 250r/min, combined pollution surface water and aluminium polychloride is made to be sufficiently mixed and occur flocculation, through the first conventional flocculation
Treated in pond 6 surface water flows into the second conventional flocculation basin 7 from the connectivity part of two pond lower ends, opens while surface water flows into
Flocculant feed pump 18 is added by organic flocculant storage tank 4 into the second conventional flocculation basin 7 poly- using flocculant concentration pump 20
Acrylamide, dosage 35ppm, and polyacrylamide is acted on sufficiently with surface water under the action of blender, it is right at this time
The mixing speed answered is 45r/min, and surface water passes through load by the second conventional 7 overflow of flocculation basin to ballasted flocculation mixing pit 8 later
Body storage tank adds carrier into ballasted flocculation mixing pit 8, and starts mechanical agitator 2, and the stirring rate of corresponding blender is
40rpm acts on carrier sufficiently with combined pollution surface water；Carrier in ballasted flocculation mixing pit 8 is mainly derived from two sides
Face, for a part from the carrier for recycling and generating through hydrocyclone 28, another part is then the carrier newly supplemented, and is added
Carrier be montmorillonite, dosage 0.3ppm, surface water enters ballasted flocculation reaction tank 9 later, opens flocculant inlet valve
18 using flocculant concentration pump 20 and to add flocculation aid into ballasted flocculation reaction tank 9 amino-acid modified by flocculation aid storage tank 5
Chitosan-based flocculant ZL201610097336.3, dosage 20ppm, and start mechanical agitator 2, corresponding blender
Stirring rate is 40rpm, and flocculation aid and combined pollution surface water is made to give full play to ballasted flocculation effect；It wads a quilt with cotton after through ballasted flocculation
Combined pollution surface water overflow after the solidifying effect of reaction tank 9 is to inclined plate sedimentation pond 11, and combined pollution surface water is in inclined plate sedimentation pond
In residence time be 35 minutes, finally the water overflow after inclined plate sedimentation pond 11 acts on is to the ultrafiltration for being equipped with hyperfiltration membrane assembly
Reactor is discharged by the swabbing action of suction pump in pond 12, the water in ultrafiltration membrane pool 12；When water enters ultrafiltration membrane pool 12, pass through
25 Xiang Shuizhong of air compressor is pumped into compressed air, and the attachment on ultrafiltration membrane filaments surface, water are cleaned using air shear action
Hydraulic detention time in the ultrafiltration membrance filter region equipped with the hollow-fibre membrane is 30 minutes；Used hollow fibre
Dimension film is immersion type membrane component, and ultrafiltration membrane material is Kynoar；The aperture of ultrafiltration membrane is 0.15 μm, and the film of ultrafiltration membrane is logical
Amount is 30L/m2·h。
The method of antibiotic in above-mentioned removal combined pollution waste water, combined pollution waste water first pass around the first flocculation routine pond
6 and the second conventional flocculation basin 7, the Conventional pollutions such as most of suspended particulate and the humus in waste water are removed by flocculation process
With a small amount of antibiotic, combined pollution then is removed through ballasted flocculation unit ballasted flocculation mixing pit 8 and ballasted flocculation reaction tank 9
Most traces of antibiotic and remaining Conventional pollution in surface water open water outlet/backwash valve 17 and pass through suction pump
Swabbing action makes the combined pollution surface water in ultrafiltration slot enter inside on the outside of film, and finally flows out through outlet pipe；Suction
The negative pressure formed on hyperfiltration membrane assembly is pumped, is controlled by vacuum meter 27 in 20kPa.
Hyperfiltration membrane assembly backwashing period 30 minutes, air valve 16 is opened, is pumped into compression into water by air compressor
Air, the gas-water ratio range in the ultrafiltration membrance filter unit area is 150:1.It is heavy to open flocculation basin mud valve 13, inclined plate
The sludge pipe 10 in pond mud valve 14, ultrafiltration pond mud valve 15 and each slot of reactor is dropped, mud is discharged by sludge pipe 10, and
It is pumped into hydrocyclone and is separated through sludge circulation pump, sludge discharging period is 36 hours.
The concentration of tetracycline is 8 μ g/L, turbidity 28NTU, UV in pending water254It is carried out for 0.70 using the above method
It handles, antibiotic concentration is 0.2 μ g/L in water outlet, and removal rate is up to 97.5%, and delivery turbidity 0.2NTU, removal rate is up to
99.3%, UV254It is 0.005, removal rate is up to 99.3%, and the water outlet status in specific each stage is shown in Table five.
Table one
Note: influent turbidity: 25NTU, UV254It is 0.35, antibiotic 0.01ppm,
1 be the second conventional flocculation basin water outlet 3 for the first conventional flocculation basin water outlet 2 is that ballasted flocculation reaction tank water outlet 4 is
Inclined plate sedimentation pond water outlet 5 is discharged for ultrafiltration pond
Table two
Note: influent turbidity: 23NTU, UV254It is 0.31, antibiotic 0.012ppm,
1 be the second conventional flocculation basin water outlet 3 for the first conventional flocculation basin water outlet 2 is that ballasted flocculation reaction tank water outlet 4 is
Inclined plate sedimentation pond water outlet 5 is discharged for ultrafiltration pond
Table three
Note: influent turbidity: 22NTU, UV254It is 0.40, antibiotic 0.009ppm,
1 be the second conventional flocculation basin water outlet 3 for the first conventional flocculation basin water outlet 2 is that ballasted flocculation reaction tank water outlet 4 is
Inclined plate sedimentation pond water outlet 5 is discharged for ultrafiltration pond
Table four
Note: influent turbidity: 30NTU, UV254It is 0.6, antibiotic 0.016ppm,
1 be the second conventional flocculation basin water outlet 3 for the first conventional flocculation basin water outlet 2 is that ballasted flocculation reaction tank water outlet 4 is
Inclined plate sedimentation pond water outlet 5 is discharged for ultrafiltration pond
Table five
Note: influent turbidity: 28NTU, UV254It is 0.70, antibiotic 0.008ppm,
1 be the second conventional flocculation basin water outlet 3 for the first conventional flocculation basin water outlet 2 is that ballasted flocculation reaction tank water outlet 4 is
Inclined plate sedimentation pond water outlet 5 is discharged for ultrafiltration pond
From above-mentioned table it can be found that when combined pollution insulated stream is after flocculation unit, wherein there are about 90% routines
Pollutant and 80% antibiotic are removed；When combined pollution surface water further flows through inclined plate sedimentation pond and ultrafiltration membrane pool
Afterwards, it can be found that the content of Conventional pollution further reduced from table, removal rate is up to 99% or more, and big at this time
Partial antibiotic is also removed, and removal rate is up to 95% or more, shows the device not only in combined pollution surface water
Conventional pollution have higher removal ability, equally there is very high removal to the traces of antibiotic in combined pollution surface water
Ability.
Claims (10)
1. the integrated reactor of traces of antibiotic in a kind of removal combined pollution surface water, which is characterized in that including successively connecting
Feed pump (1), the first routine flocculation basin (6), the second conventional flocculation basin (7), ballasted flocculation mixing pit (8), ballasted flocculation connect
Reaction tank (9), inclined plate sedimentation pond (11), ultrafiltration pond (12)；Inorganic flocculating agent is provided with above described first conventional flocculation basin (6)
Organic flocculant storage tank (4) are arranged in storage tank (3), the second conventional flocculation basin (7) top, setting above ballasted flocculation reaction tank (9)
There are flocculation aid storage tank (5)；Described first conventional flocculation basin (6), ballasted flocculation mixing pit (8), carries the second conventional flocculation basin (7)
Mechanical agitator (2) are mounted in body flocculation tank (9)；Described first conventional flocculation basin (6), the second conventional flocculation basin
(7), ballasted flocculation mixing pit (8), ballasted flocculation reaction tank (9), inclined plate sedimentation pond (11), ultrafiltration pond (12) bottom are provided with
Sludge pipe (10)；Each sludge pipe (10) is connect by sludge circulation pump (22) with hydrocyclone (28)；Hydrocyclone
(28) it is located above ballasted flocculation mixing pit (8).
2. the integrated reactor of traces of antibiotic, feature in removal combined pollution surface water according to claim 1
Be, the first conventional flocculation basin (6) communicates with second conventional flocculation basin (7) lower end, the described second conventional flocculation basin (7) and
Ballasted flocculation mixing pit (8) upper end communicates, and water is entered ballasted flocculation mixing pit (8) in a manner of overflow, and the ballasted flocculation is mixed
It closes pond (8) to communicate with ballasted flocculation reaction tank (9) lower end, the ballasted flocculation reaction tank (9), inclined plate sedimentation pond (11), ultrafiltration
The upper end in pond (12) communicates, and ballasted flocculation reaction tank (9), inclined plate sedimentation pond (11), ultrafiltration pond (12) liquid level face successively reduce, water
Enter inclined plate sedimentation pond (11) and ultrafiltration pond (12) in a manner of overflow.
3. the integrated reactor of traces of antibiotic, feature in removal combined pollution surface water according to claim 1
It is, is provided with hyperfiltration membrane assembly (24) in the ultrafiltration pond (12), is equipped with bubbler (23) below hyperfiltration membrane assembly (24).
4. the integrated reactor of traces of antibiotic, feature in removal combined pollution surface water according to claim 3
It is, the hyperfiltration membrane assembly (24) is preferably immersion type membrane component, and the material of ultrafiltration membrane is preferably Kynoar；Ultrafiltration
The pore diameter range of film is between 0.1~0.2 μm, and the membrane flux of ultrafiltration membrane is 20~50L/m2·h。
5. the integrated reactor of traces of antibiotic, feature in removal combined pollution surface water according to claim 3
Be, be equipped with outlet pipe (29) above the ultrafiltration pond (12), the outlet pipe (29) respectively with vacuum meter (27) and suction
Pump (21) is connected.
6. the integrated reactor of traces of antibiotic, feature in removal combined pollution surface water according to claim 3
It is, the bubbler (23) is connect by aerating pipelines (26) with air compressor (25).
7. a kind of method of traces of antibiotic in removal combined pollution surface water, which comprises the steps of:
(1) from feed pump (1) surface water that injection is polluted by antibiotic into the first conventional flocculation basin (6), at the same time by nothing
Inorganic flocculating agent investment in machine flocculant storage tank (3) wherein, and starts mechanical agitator (2), under the action of mechanical stirring
Make water body and the raw flocculation of the uniform hybrid concurrency of inorganic flocculating agent；
(2) combined pollution surface water enters the second conventional flocculation basin (7), when combined pollution surface water enters the second conventional flocculation basin
(7) when, by the conventional flocculation basin (7) of organic flocculant investment second in organic flocculant storage tank (4), and start mechanical agitator
(2), act on organic flocculant sufficiently with combined pollution surface water；
(3) combined pollution surface water enters ballasted flocculation mixing pit (8), adds carrier in ballasted flocculation mixing pit (8) at this time,
And start mechanical agitator (2), act on carrier sufficiently with combined pollution surface water；
(4) combined pollution surface water enters ballasted flocculation reaction tank (9), by flocculation aid storage tank (5) to ballasted flocculation reaction tank
(9) flocculation aid is added in, and starts mechanical agitator (2), and flocculation aid and combined pollution surface water is made to give full play to ballasted flocculation
Effect；
(5) overflow of combined pollution surface water is to inclined plate sedimentation pond (11) after ballasted flocculation acts on, finally through inclined plate sedimentation pond
(11) for the water overflow after acting on to ultrafiltration pond (12), entire reactor is discharged in the water after ultrafiltration pond (12) ultrafiltration；
(6) first conventional flocculation basins (6), the second conventional flocculation basin (7), ballasted flocculation mixing pit (8), ballasted flocculation reaction tank
(9), inclined plate sedimentation pond (11), the sludge in ultrafiltration pond (12) are pumped into waterpower rotation through sludge circulation pump (22) by sludge pipe (10)
Stream device (28) is separated, and recycles carrier.
8. the method for traces of antibiotic in removal combined pollution surface water according to claim 7, which is characterized in that described
Inorganic flocculating agent is alum or aluminium polychloride；The organic flocculant is polyacrylamide；The carrier can be bentonite
Or montmorillonite；The flocculation aid is amino-acid modified chitosan-based flocculant or pH, temperature doubling sensitivity flocculate with chitosan
Agent.
9. the method for traces of antibiotic in removal combined pollution surface water according to claim 7, which is characterized in that step
(5) it is the pumping that the water in ultrafiltration pond (12) passes through suction pump (21) that entire reactor, which is discharged, in the water after ultrafiltration pond (12) ultrafiltration
Suction effect discharge reactor；When water enters ultrafiltration pond (12), air is pumped by being bubbled by air compressor (25) Xiang Shuizhong
Device (23) aeration, and ultrafiltration membrane filaments surface attachments are cleaned using air shear action.
10. the method for traces of antibiotic in removal combined pollution surface water according to claim 9, which is characterized in that step
Suddenly the hydraulic detention time of (5) described inclined plate sedimentation pond (11) is 20~40min；The hydraulic detention time in ultrafiltration pond (12) is 20
~60min；Gas-water ratio 5:1~the 150:1 being aerated by bubbler (23).
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