CN110451718A - Advanced waste treatment apparatus based on ozone and biofilm particles sewage sludge reactor - Google Patents
Advanced waste treatment apparatus based on ozone and biofilm particles sewage sludge reactor Download PDFInfo
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- CN110451718A CN110451718A CN201910702353.9A CN201910702353A CN110451718A CN 110451718 A CN110451718 A CN 110451718A CN 201910702353 A CN201910702353 A CN 201910702353A CN 110451718 A CN110451718 A CN 110451718A
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 239000002245 particle Substances 0.000 title claims abstract description 65
- 239000010801 sewage sludge Substances 0.000 title claims abstract description 39
- 239000002699 waste material Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 190
- 239000002351 wastewater Substances 0.000 claims abstract description 92
- 239000010802 sludge Substances 0.000 claims abstract description 64
- 239000012528 membrane Substances 0.000 claims abstract description 36
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 19
- 238000012163 sequencing technique Methods 0.000 claims abstract description 18
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 16
- 238000004064 recycling Methods 0.000 claims abstract description 11
- 238000009826 distribution Methods 0.000 claims description 40
- 238000005273 aeration Methods 0.000 claims description 37
- 239000007789 gas Substances 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 239000008187 granular material Substances 0.000 claims description 20
- 238000010992 reflux Methods 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 238000001764 infiltration Methods 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 230000000050 nutritive effect Effects 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 238000006385 ozonation reaction Methods 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 17
- 230000003647 oxidation Effects 0.000 description 17
- 238000007254 oxidation reaction Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 14
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 12
- 238000004065 wastewater treatment Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- -1 hydroxyl radical free radical Chemical class 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Abstract
The invention discloses a kind of advanced waste treatment apparatus based on ozone and biofilm particles sewage sludge reactor, comprising: collecting-tank, ozone reactor, well-balanced adjustment pond, the first water pump, the second water pump, third water pump, sequencing batch biofilm granular sludge expansion bed reactor and waste water recycling processing unit；Collecting-tank is connect by the first water pump with ozone reactor, and ozone reactor is connect by the second water pump with well-balanced adjustment pond, and well-balanced adjustment pond is connect by third water pump with sequencing batch biofilm granular sludge expansion bed reactor；Waste water recycling processing unit includes: the first pond, the second pond, third pond, the 4th water pump, the 5th water pump, the 6th water pump, more medium filter, ultrafiltration membrane system and reverse osmosis membrane system；The present invention utilizes the synergistic effect of catalytic ozonation and biofilm particles sewage sludge reactor biological treatment, enhances the degradation removal effect to persistent organic pollutants in waste water, reduces processing cost, improves the efficiency of Sewage advanced treatment.
Description
Technical field
The present invention relates to Sewage advanced treatment technical fields, and in particular to one kind is anti-based on ozone and biofilm particles sludge
Answer the advanced waste treatment apparatus of device.
Background technique
With the continuous improvement of environment protectment protection, in modern industry sewage treatment technology process, many industrial wastewaters
Discharge standard cannot be reached after two stage biological is handled, it is necessary to further advanced treating is carried out, for example, because containing in paper waste
There is certain density lignin degradation product, still containing the organic pollutant of higher concentration, Bu Nengda after two stage biological is handled
To the discharge standard of country, it is necessary to be further processed, to mitigate the influence to environment.
Fenton oxidation technology is one of the effective way of hardly degraded organic substance in current degradation removal waste water, first in acid
Property under the conditions of ferrous ion catalyzing hydrogen peroxide decompose and generate hydroxyl radical free radical, it is useless by hydroxyl radical free radical oxidative degradation, mineralising
Organic pollutant in water；Then the pH value of reaction system is adjusted into, alkalinity, and iron ion generates molysite deposition wadding body, passes through
Absorption, coagulation, precipitating mode remove organic pollutant, suspended matter and other pollutants in waste water.But Fenton oxidation
Technology has that chemicals usage is big, processing cost is high, and a large amount of iron content chemical sludge is produced in treatment process,
Obstacle as the application of Fenton oxidation technology further genralrlization.On the other hand, non-process ion is industrial wastewater circulating and recovering
Another obstacle, need to find soluble ion in a kind of separation removal waste water, organic matter, bacterium, colloidal particle, particle and
The effective ways of other pollutants make waste water reach the requirement of recycle-water.
Summary of the invention
In order to overcome shortcomings and deficiencies of the existing technology, the present invention provides a kind of dirty based on ozone and biofilm particles
The advanced waste treatment apparatus of mud reactor, invention enhances the degradations to persistent organic pollutants in waste water to remove effect
Fruit significantly reduces processing cost, effectively increases the efficiency of Sewage advanced treatment.
In order to achieve the above object, the invention adopts the following technical scheme:
The present invention provides a kind of advanced waste treatment apparatus based on ozone and biofilm particles sewage sludge reactor, comprising:
Collecting-tank, ozone reactor, well-balanced adjustment pond, the first water pump, the second water pump, third water pump and sequencing batch biofilm granule sludge
Expanded bed reactor；
The water outlet of the collecting-tank is connected by the water inlet of the first water pump and ozone reactor, the ozone reactor
Water outlet connect with the water inlet in well-balanced adjustment pond by the second water pump, the water outlet in the well-balanced adjustment pond passes through third water
Pump is connect with sequencing batch biofilm granular sludge expansion bed reactor water inlet.
The sequencing batch biofilm granular sludge expansion bed reactor is equipped with as a preferred technical solution: water inlet, branch
Fagging, bio-carrier bed, limit plate, water distribution system, gas distribution system, water distributor, aerating system, the first air blower, the second air blast
Machine, circulation intake pump and circulating outlet；
The water inlet is connect with the water outlet of third water pump, and the life on the supporting plate is arranged in the bio-carrier bed
Object carrier bed is provided with bio-carrier, and the interval of bio-carrier bed and limit plate forms expansion space, the gas distribution system and
The connection of one air blower, on the supporting plate, the aerating system is connect with the second air blower, described to recycle for the water distributor installation
The mouth of a river is connect with the water inlet of circulation intake pump, and the water distribution system is connect with the water outlet of circulation intake pump.
The volume of the expansion space is set as the 1/50-1/20 of bio-carrier bed volume as a preferred technical solution,.
The bio-carrier inner ring is equipped with granule sludge as a preferred technical solution, and outer ring is equipped with biomembrane, in inner ring
Equipped with divider.
The bio-carrier is less than 1g/cm using density as a preferred technical solution,3, specific surface area be greater than 500m2/m3
And hollow particle filler of the porosity between 60% and 85%.
The support plate uses porous plate as a preferred technical solution, is uniformly distributed and sets on the through-hole of the support plate
Water distributor is set, waste water is distributed along the vertical sectional uniform of water flow after water distributor and passes through biofilm particles sludge reaction area, institute
Biofilm particles sludge reaction area is stated equipped with bio-carrier, the limit plate uses porous plate, and waste water is through the through-hole on limit plate
Enter circulating reflux area from biofilm particles sludge reaction area, the clear size of opening on limit plate is less than the ruler of the bio-carrier
It is very little.
The sequencing batch biofilm granular sludge expansion bed reactor is additionally provided with cyclic aeration as a preferred technical solution,
Pond and effluent trough, the effluent trough, which is provided with, is recycled back to head piece, and the head piece that is recycled back to is connect with circulated aeration tank, the aeration
System is arranged in circulated aeration tank, and the circulating outlet is arranged on circulated aeration tank.
It is additionally provided with waste water recycling processing unit as a preferred technical solution, comprising: the first pond, the second pond,
Three ponds, the 4th water pump, the 5th water pump, the 6th water pump, more medium filter, ultrafiltration membrane system and counter-infiltration system；
The sequencing batch biofilm granular sludge expansion bed reactor is provided with discharge outlet, the discharge outlet and the first pond
Water inlet connection, the water outlet in first pond is connected by the water inlet of the 4th water pump and more medium filter, described
The water outlet of more medium filter is connect with the water inlet in the second pond, the water outlet in second pond by the 5th water pump with
The water inlet of ultrafiltration membrane system connects, and the water outlet of the ultrafiltration membrane system is connect with the water inlet in third pond, the third
The water outlet in pond is connect by the 6th water pump with counter-infiltration system.
The third pond is provided with agitating device, antisludging agent and antioxidant input port as a preferred technical solution,
The ultrafiltration membrane treatment system and reverse osmosis membrane treatment system are provided with filter washing water inlet.
The collecting-tank is equipped with catalyst input port as a preferred technical solution, and the well-balanced adjustment pond is equipped with nutrition
Salt and lye input port, the collecting-tank and well-balanced adjustment pond are provided with agitating device, and the ozone reactor is provided with gas
Body disperser and ozone breaker, the gas distributor is arranged in ozone reactor bottom and connect with gas access, described
Ozone breaker is arranged in ozone reactor offgas outlet.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) present invention utilizes the synergistic effect of catalytic ozonation and biofilm particles sewage sludge reactor biological treatment, greatly
The degradation removal effect to persistent organic pollutants in waste water is enhanced greatly, is significantly reduced processing cost, is effectively increased
The efficiency of Sewage advanced treatment.
(2) sequencing batch biofilm granular sludge expansion bed reactor sludge concentration of the invention is high, biofilm particles sludge
Reactor organisms carrier bed sludge concentration (TSS) reaches 20-45g/L, is higher than currently used activated sludge process and biofilm
Sludge concentration, guarantee that wastewater treatment obtains good effect.
(3) bio-carrier inner ring of the invention is equipped with granule sludge, and outer ring is equipped with biomembrane, is equipped with divider in inner ring,
The formation of granule sludge is that reactor has the main reason for high sludge concentration, the granule sludge and biology of reactor middle and high concentration
Film ensure that good water treatment effect.
(4) aerating system of biological treatment is arranged in individual circulated aeration tank the present invention, solves biological treatment
The generally existing aerating system of system is easy the problem of blocking, and aerating system is easy to maintain, meanwhile, circulated aeration tank has dilute
It releases, the effect of balanced water quality, is conducive to improve waste water treatment efficiency.
(5) sequencing batch biofilm granular sludge expansion bed reactor concision and compact of the invention, high efficient and flexible, adaptability
By force.
(6) sequencing batch biofilm granular sludge expansion bed reactor of the invention is provided with expansion space, makes wastewater treatment
The bio-carrier in bio-carrier bed is in microdilatancy state in the process, is conducive to waste water in biofilm particles sludge reaction area
Be uniformly distributed, uniformly handled, effectively increase the efficiency of wastewater treatment.
Detailed description of the invention
Fig. 1 is the advanced waste treatment apparatus structure based on ozone and biofilm particles sewage sludge reactor of the present embodiment 1
Schematic diagram；
Fig. 2 is the partial enlarged view of bio-carrier bed at I in Fig. 1；
Fig. 3 is the bio-carrier structural schematic diagram of the present embodiment 1；
Fig. 4 is the waste water recycling processing device structure diagram of the present embodiment 2；
Fig. 5 is the structural schematic diagram of the biofilm particles sewage sludge reactor of the present embodiment 3.
Wherein, 1- biofilm particles sewage sludge reactor, 2- circulated aeration tank, 3- backwash discharge outlet, the first air blower of 4-,
5- gas distribution system, 6- water distribution system, 7- support plate, 8- water distributor, 9- bio-carrier bed, 10- discharge outlet, the expansion space 11-,
12- limit plate, 13- effluent trough, 14- are recycled back to head piece, and 15- recycles intake pump, 16- water inlet, the second air blower of 17-, 18- exposure
Gas system, 19- pipeline, 20- circulating outlet, 21- collecting-tank, the first water pump of 22-, 23- ozone reactor, the dispersion of 24- gas
Device, 25- ozone breaker, the second water pump of 26-, 27- well-balanced adjustment pond, 28- third water pump, 29- granule sludge, 30- biomembrane,
The first pond 31-, the 4th water pump of 32-, 33- more medium filter, the second pond 34-, the 5th water pump of 35-, 36- ultrafiltration membrane system
System, 37- third pond, the 6th water pump of 38-, 39- reverse osmosis membrane system.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of waste water advanced place based on ozone and biofilm particles sewage sludge reactor
Manage device, comprising: collecting-tank 21, ozone reactor 23, well-balanced adjustment pond 27 and sequencing batch biofilm granular sludge expansion bed are anti-
Device is answered, sequencing batch biofilm granular sludge expansion bed reactor includes biofilm particles sewage sludge reactor 1 and circulated aeration tank 2；
In the present embodiment, the water outlet of collecting-tank 21 is connected by the water inlet of the first water pump 22 and ozone reactor 23
It connects, the water outlet of ozone reactor 23 is connect by the second water pump 26 with the water inlet in well-balanced adjustment pond 27, ozone reactor 23
It is provided with gas distributor 24, ozone breaker 25 is equipped on exhaust pipe；
In the present embodiment, collecting-tank and well-balanced adjustment pond are provided with agitating device, the water outlet in well-balanced adjustment pond 27
It is connect by third water pump 28 with the water inlet 16 of circulated aeration tank 2；
In the present embodiment, biofilm particles sewage sludge reactor 1 is provided with water distribution gas distribution area A, life along waste water flow direction
Object membrane granule sludge reaction area B and circulating reflux area C；Water distribution gas distribution area A is equipped with water distribution system 6, gas distribution system 5, is mounted on branch
Water distributor 8 on fagging 7, the gas distribution system 5 are connected by pipeline and the first air blower 4；The biofilm particles sludge is anti-
Area B is answered to include support plate 7, the bio-carrier bed 9 being arranged in above support plate 7, limit plate 12, be located at bio-carrier bed 9 and limit
Expansion space 11 between the plate 12 of position；The circulating reflux area C is provided with effluent trough 13, and effluent trough 13, which is provided with, is recycled back to head piece
14, it is recycled back to head piece 14 and is connect by pipeline 19 with circulated aeration tank 2；
In the present embodiment, support plate 7 uses porous plate, and water distributor 8 is arranged on the through-hole of support plate 7, makes waste water along water
Vertical sectional uniform is flowed to be distributed and pass through biofilm particles sludge reaction area；Limit plate 12 uses porous plate, and waste water is through limiting
Through-hole on plate 12 enters circulating reflux area from biofilm particles sludge reaction area, and the clear size of opening on limit plate 12 is less than biology
The size of bio-carrier in membrane granule sludge reaction area；
In the present embodiment, circulated aeration tank 2 is provided with aerating system 18 and circulating outlet 20, and aerating system 18 passes through
Pipeline and the second air blower 17 connection, circulating outlet 20 by pipeline with circulation intake pump 15 water inlet connect, recycle into
The water outlet of water pump 15 is connect with water distribution system 6；
In the present embodiment, backwash discharge outlet 3 is additionally provided on biofilm particles sewage sludge reactor 1；Circulated aeration tank 2
On be additionally provided with water inlet 16 and discharge outlet 10, the water inlet 16 that circulated aeration tank 2 is arranged passes through pipeline and third water pump 28
Water outlet connection；
In the present embodiment, the minimum volume of expansion space 11 is 0, and the maximum volume of expansion space 11 is bio-carrier bed
The 1/10 of 9 volumes；The volume of the present embodiment expansion space 11 is preferably arranged to the 1/50-1/20 of 9 volume of bio-carrier bed；
In the present embodiment, waste water makes the life in bio-carrier bed 9 by maintaining certain flow velocity when bio-carrier bed 9
Object carrier is in microdilatancy state, and bio-carrier expansion can be full of entire including bio-carrier bed 9 and expansion space 11
Space, preferable flow rate 1.5-15mm/s, bio-carrier is less than 1g/cm3 using density, specific surface area is greater than 500m2/m3The hole and
Hollow particle filler of the gap rate between 60% and 85%.
As shown in Fig. 2, bio-carrier is in microdilatancy state in wastewater treatment process, it is irregular to be distributed in biomembrane
In granule sludge reaction zone B；As shown in figure 3, bio-carrier inner ring is equipped with granule sludge 29, outer ring forms biomembrane 30, inner ring
Interior to be equipped with divider, reactor has been formed simultaneously granule sludge and biomembrane, and granule sludge and biomembrane exist simultaneously aerobic, simultaneous
Oxygen and anaerobe group；After the completion of reactor sludge acclimatization, granule sludge is produced in bio-carrier, and carrier surface
Biomembrane is formd, the formation of granule sludge is that reactor has the main reason for high sludge concentration, reactor middle and high concentration
Granule sludge and biomembrane ensure that good water treatment effect.
The waste water advanced place of advanced waste treatment apparatus of the present embodiment based on ozone and biofilm particles sewage sludge reactor
Reason method are as follows:
S1: ozone pre-oxidation processing:
Hydrogen peroxide is added into collecting-tank 21 as ozone catalyst, and the agitating device stirring for starting collecting-tank 21 is equal
Even, then the two stage biological processing water outlet (waste water for adding catalyst) in collecting-tank 21 is anti-into ozone by the first water pump 22
Device 23 is answered, stops water inlet after reaching certain liquid level；Then, the ozone/oxygen mixture from ozone generation system passes through gas
Body disperser 24 is dispersed into ozone reactor 23, carries out ozone pre-oxidation processing, ozone to the waste water in ozone reactor 23
After oxidation processes 20min, stop supplying ozone/oxygen mixture to ozone reactor 23；
In the present embodiment, the dosage of hydrogen peroxide is 0.20mmol/L, and waste water is raw using papermaking coating waste water second level
Object processing water outlet, waste water COD 147mg/L, coloration 67C.U., SS 41mg/L, ozone dosage 120mg/L, catalysis
After ozone Oxidation Treatment 20min, stop supplying ozone/oxygen mixture to ozone reactor 23；
S2: the well-balanced adjustment of waste water:
Well-balanced adjustment pond 27 is entered by the second water pump 26 by the waste water that ozone pre-oxidation is handled, while to well-balanced adjustment
The nutritive salt and lye supplemented needed for biological treatment is added in pond 27, and is uniformly mixed by agitating device；
S3: the waste water in well-balanced adjustment pond 27 carries out biochemical oxidation processing:
1) it intakes
Waste water in well-balanced adjustment pond 27 enters circulated aeration tank 2 from water inlet 16 by third water pump 28, starts simultaneously
Intake pump 15 is recycled, the waste water in circulated aeration tank 2 is transported to water distribution system through recycling intake pump 15 by circulating outlet 20
6, into biofilm particles sewage sludge reactor 1, when biofilm particles sewage sludge reactor 1 is full of useless in waste water and circulated aeration tank 2
Water stops water inlet after reaching certain water level；
2) processing and circulation of waste water
After the completion of water inlet, the second air blower 17 of starting exposes the waste water in circulated aeration tank 2 by aerating system 18
Gas；
Waste water in circulated aeration tank 2 is transported to biofilm particles sludge through recycling intake pump 15 by circulating outlet 20
The water distribution system 6 of the water distribution gas distribution area A of reactor 1, into water distribution gas distribution area A, the waste water of water distribution gas distribution area A passes through support plate 7
On water distributor 8, into the bio-carrier bed 9 of biofilm particles sludge reaction area B；Waste water carries out biology in bio-carrier bed 9
Then chemical oxidation treatment enters circulating reflux area C by limit plate 12；
Waste water in circulating reflux area C enters circulation through pipeline 19 by the way that being recycled back to after head piece 14 for effluent trough 13 is arranged in
Aeration tank 2, the waste water in circulated aeration tank 2 pass sequentially through biofilm particles sewage sludge reactor 1 through recycling intake pump 15 again
Water distribution gas distribution area A, biofilm particles sludge reaction area B and circulating reflux area C, carry out the processing and circulation of waste water；
In the present embodiment, the volume of the expansion space 11 of biofilm particles sewage sludge reactor 1 is set as bio-carrier bed 9
The 1/20 of volume, waste water are 15mm/s in the flow velocity of bio-carrier bed, and one process cycle of waste water is 6h, wherein when aeration operation
Between be 4h, anoxic runing time be 1h, aeration operation when biofilm particles sludge reaction area B dissolved oxygen concentration be 4-5mg/L；
In the present embodiment, in the processing and cyclic process of waste water, stop the second air blower 17 and supplied to circulated aeration tank 2
For a period of time, waste water is made to handle and recycle under anaerobic condition；
3) it drains
Waste water is being handled after a certain period of time, is stopped circulation intake pump 15 and the operation of the second air blower 17, is passed through discharge outlet 10
Reactor is discharged in 30% water that waste water total amount is accounted in biofilm particles sewage sludge reactor 1 and circulated aeration tank 2, after processing
Waste water COD, SS and coloration are respectively 67mg/L, 12mg/L and 15C.U..
In the present embodiment, after handling waste water for a period of time, 5 pairs of biologies of the first air blower 4 and gas distribution system can be passed through
Carrier is backwashed, and reactor is discharged in the waste water after backwash by backwash discharge outlet 3.
In the present embodiment, by change wastewater characteristics, the volume of expansion space 11, waste water bio-carrier bed stream
Speed, the aeration parameters such as runing time and anoxic runing time, available different water treatment effect are described in detail below:
The COD that waste water need to be handled is 165mg/L, coloration 90C.U., SS 31mg/L, in terms of wastewater volume, peroxidating
Hydrogen additional amount is 0.2mmol/L, and ozone dosage 120mg/L, the processing time is 20min；Biofilm particles sewage sludge reactor 1
The volume of expansion space 11 be the 1/40 of biological 9 volume of carrier bed, waste water is 8mm/s, waste water in the flow velocity of bio-carrier bed
One process cycle is 6h, wherein aeration runing time is 4h, anoxic runing time is 1h, and biofilm particles are dirty when being aerated operation
Mud reaction zone B dissolved oxygen concentration be 4-5mg/L, after processing waste water COD, SS and coloration be respectively 52mg/L, 14mg/L and
18C.U.；
The COD that waste water need to be handled is 165mg/L, coloration 90C.U., SS 31mg/L, in terms of wastewater volume, peroxidating
Hydrogen additional amount is 0.2mmol/L, and ozone dosage 120mg/L, the processing time is 20min；Biofilm particles sewage sludge reactor 1
The volume of expansion space 11 be the 1/50 of biological 9 volume of carrier bed, waste water is 1.5mm/s in the flow velocity of bio-carrier bed, is given up
One process cycle of water is 6h, wherein aeration runing time is 4.5h, anoxic runing time is 0.5h, biomembrane when being aerated operation
Granule sludge reaction zone B dissolved oxygen concentration is 4-5mg/L, and waste water COD, SS and coloration are respectively 42mg/L, 10mg/ after processing
L and 12C.U..
Waste water passes through ozone/catalysis ozone pre-oxidation first in the present embodiment, significantly improves in two stage biological processing water outlet
The biological degradability of Recalcitrant chemicals, then waste water carries out biological treatment, removal of further degrading by biochemical oxidation
Pollutant in waste water, the present embodiment use the sequencing batch biofilm particle for having the advantages that sludge concentration height, sludge yield are low etc.
Sludge bulking bed reactor, substantially increases the efficiency of biological wastewater treatment, while reducing processing cost.
Embodiment 2
For the technical solution of the present embodiment 2 other than following technical characteristics, other technical solutions are same as Example 1:
The present embodiment provides a kind of advanced waste treatment apparatus based on ozone and biofilm particles sewage sludge reactor, in sequence
The discharge outlet of batch biofilm granular sludge expansion bed reactor is also connected with waste water recycling processing unit, at waste water recycling
The processing for managing device can further remove non-process ion and other pollutants in waste water, waste water is made to reach wanting for recycle-water
It asks；
As shown in figure 4, in the present embodiment, waste water recycling processing unit includes: the first pond, more medium filter,
Two ponds, ultrafiltration membrane system, third pond and counter-infiltration system, third pond 37 are provided with agitating device, ultrafiltration membrane treatment system
System 36 and reverse osmosis membrane treatment system 39 are provided with cleaning system, carry out periodic cleaning using acid, alkali, fungicide etc..
In the present embodiment, the discharge outlet 10 that circulated aeration tank 2 is arranged is connect by pipeline with the first pond 31, multimedium
Filter 33 is provided with water inlet and discharge outlet；The water inlet that more medium filter 33 is arranged passes through pipeline and the 4th water pump 32
The water inlet of water outlet connection, the 4th water pump 32 is connect by pipeline with the first pond 31, the row that more medium filter 33 is arranged
The mouth of a river is connect by pipeline with the second pond 34；
In the present embodiment, the second pond 34 is connect by pipeline with the water inlet of the 5th water pump 35, the 5th water pump
35 water outlet is connect by pipeline with the water inlet of ultrafiltration membrane system 36, and the filtered solution water outlet of the ultrafiltration membrane system 36 is logical
Piping is connect with third pond 37；
In the present embodiment, third pond 37 is connect by pipeline with the water inlet of the 6th water pump 38, the 6th water pump
38 water outlet is connect by pipeline with the water inlet of reverse osmosis membrane system 39, and the filtered solution of the reverse osmosis membrane system 39 is sent back to
With pond, it is back to production process；
The wastewater treatment side of advanced waste treatment apparatus of the present embodiment based on ozone and biofilm particles sewage sludge reactor
Method are as follows:
S1: ozone pre-oxidation processing；
S2: the well-balanced adjustment of waste water: the waste water handled through ozone pre-oxidation enters well-balanced adjustment pond 27, while adjusting to equilibrium
It saves pond 27 and the nutrients and lye supplemented needed for biological treatment is added, and stir by mixing；
S3: the waste water in well-balanced adjustment pond 27 carries out biochemical oxidation processing；
S4: multi-medium filtering: the waste water in the first pond 31 delivers into more medium filter 33 by the 4th water pump 32,
Enter the second pond 34 through treated the waste water of more medium filter 33；
S5: ultrafiltration membrane treatment: the waste water in the second pond 34 delivers into ultrafiltration membrane system 36 by the 5th water pump 35, passes through
The filtered solution of the processing of ultrafiltration membrane system 36 enters third pond 37, and the dope of ultrafiltration membrane treatment system 36 sends collecting-tank 21 back to, and
Two stage biological processing water outlet mixing carries out advanced treating；
S6: reverse osmosis membrane processing: waste water in third pond 37 with the antisludging agent and antioxidant that add after mixing,
Reverse osmosis membrane system 39 is delivered by the 6th water pump 38, the filtered solution handled through reverse osmosis membrane system 39 send reuse pool,
It is back to production process, the dope of reverse osmosis membrane treatment system 39 is sent to reverse osmosis concentrated liquid treating system, after processing row up to standard
It puts, filtered solution COD, SS and coloration are respectively 12mg/L, 3mg/L and 0C.U. after reverse osmosis membrane processing.
In the present embodiment, swollen by changing hydrogen peroxide additional amount, ozone dosage, biofilm particles sewage sludge reactor
Flow velocity in bio-carrier bed of the volume in swollen space, waste water, the aeration parameters such as runing time and anoxic runing time, it is available
Different water treatment effects, described in detail below:
Waste water COD is 115mg/L, coloration 25C.U., SS 28mg/L, in terms of wastewater volume, hydrogen peroxide additional amount
For 0.35mmol/L, ozone dosage 120mg/L, the processing time is 20min, the expansion of biofilm particles sewage sludge reactor 1
The volume in space 11 is the 1/50 of biological 9 volume of carrier bed, and waste water is 1.5mm/s in the flow velocity of bio-carrier bed, waste water one
Process cycle is 6h, wherein aeration runing time is 4.5h, anoxic runing time is 0.5h, and biofilm particles are dirty when aeration is run
Mud reaction zone B dissolved oxygen concentration be 4-5mg/L, after processing reverse osmosis membrane filtered solution COD, SS and coloration be respectively 7mg/L,
1mg/L and 0C.U.；
Waste water COD is 165mg/L, coloration 90C.U., SS 31mg/L, in terms of wastewater volume, hydrogen peroxide additional amount
For 0.5mmol/L, ozone dosage 180mg/L, the processing time is 20min, and the expansion of biofilm particles sewage sludge reactor 1 is empty
Between 11 volume be the 1/40 of biological 9 volume of carrier bed, waste water is 8mm/s, waste water one processing in the flow velocity of bio-carrier bed
Period is 6h, wherein aeration runing time is 4h, anoxic runing time is 1h, biofilm particles sludge reaction area when aeration is run
B dissolved oxygen concentration be 4-5mg/L, after processing reverse osmosis membrane filtered solution COD, SS and coloration be respectively 15mg/L, 4mg/L and
0C.U.。
In the present embodiment, waste water passes through ozone/catalysis ozone pre-oxidation first, significantly improves two stage biological processing water outlet
The biological degradability of middle Recalcitrant chemicals, then waste water carries out biological treatment, is further degraded and is gone by biochemical oxidation
Except the organic pollutant in waste water, then, waste water is by more medium filter, the place of ultrafiltration membrane system and reverse osmosis membrane system
Reason further removes non-process ion and other pollutants in waste water, waste water is made to reach the requirement of recycle-water.
Embodiment 3
For the technical solution of the present embodiment 3 other than following technical characteristics, other technical solutions are same as Example 1:
As shown in figure 5, biofilm particles sewage sludge reactor can also use integral structure, and aerating system is independent
It is arranged in circulating reflux area C, can also achievees the purpose that maintain easily.
The biofilm particles sewage sludge reactor of the present embodiment is disposed with water distribution gas distribution area, life in wastewater treatment flow direction
Object membrane granule sludge reaction area and circulating reflux area；
Wherein, biofilm particles sludge reaction area includes support plate 7, bio-carrier bed 9, limit plate 12 and expansion space
11, bio-carrier bed 9 is arranged in support plate 7, and the interval of bio-carrier bed 9 and limit plate 12 forms expansion space 11；Water distribution
Gas distribution area is provided with water distribution system 6, gas distribution system 5, water distributor 8 and the first air blower 4, and gas distribution system 5 and the first air blower 4 connect
It connects, water distributor 8 is mounted in support plate 7；Circulating reflux area is provided with aerating system 18, the second air blower 17, circulation intake pump
15 and circulating outlet 20, circulating outlet 20 connect with the water inlet of circulation intake pump 15, water distribution system 6 with recycle intake pump
15 water outlet connection, aerating system 18 are connect with the second air blower 17.
Water inlet 16, discharge outlet 10 and backwash draining are additionally provided on the biofilm particles sewage sludge reactor of the present embodiment
Mouth 3, the present embodiment water inlet 16 is located at circulating reflux area C, and water inlet 16 is connect with third water pump 28, and discharge outlet is located at biomembrane
Granule sludge reaction zone B, backwash discharge outlet are located at water distribution gas distribution area A.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of advanced waste treatment apparatus based on ozone and biofilm particles sewage sludge reactor characterized by comprising collection
Pond, ozone reactor, well-balanced adjustment pond, the first water pump, the second water pump, third water pump and sequencing batch biofilm granule sludge are swollen
Swollen bed reactor；
The water outlet of the collecting-tank is connected by the water inlet of the first water pump and ozone reactor, and the ozone reactor goes out
The mouth of a river connect by the second water pump with the water inlet in well-balanced adjustment pond, the water outlet in the well-balanced adjustment pond pass through third water pump and
The connection of sequencing batch biofilm granular sludge expansion bed reactor water inlet.
2. the advanced waste treatment apparatus according to claim 1 based on ozone and biofilm particles sewage sludge reactor,
It is characterized in that, the sequencing batch biofilm granular sludge expansion bed reactor is equipped with: water inlet, support plate, bio-carrier bed, limit
Position plate, water distribution system, gas distribution system, water distributor, aerating system, the first air blower, the second air blower, circulation intake pump and circulation
Water outlet；
The water inlet is connect with the water outlet of third water pump, and on the supporting plate, the biology carries for the bio-carrier bed setting
Body bed is provided with bio-carrier, the irregular dispersed placement of bio-carrier, the interval shape of the bio-carrier bed and limit plate
At expansion space, the gas distribution system is connect with the first air blower, and the water distributor is installed on the supporting plate, the aerating system
Connect with the second air blower, the circulating outlet with circulation intake pump water inlet connect, the water distribution system with recycle into
The water outlet of water pump connects.
3. the advanced waste treatment apparatus according to claim 2 based on ozone and biofilm particles sewage sludge reactor,
It is characterized in that, the volume of the expansion space is set as the 1/50-1/20 of bio-carrier bed volume.
4. the advanced waste treatment apparatus according to claim 2 based on ozone and biofilm particles sewage sludge reactor,
It is characterized in that, the bio-carrier inner ring is equipped with granule sludge, and outer ring is equipped with biomembrane, is equipped with divider in inner ring.
5. the advanced waste treatment apparatus according to claim 2 or 4 based on ozone and biofilm particles sewage sludge reactor,
It is characterized in that, the bio-carrier is less than 1g/cm using density3, specific surface area be greater than 500m2/m3With porosity between 60%
And the hollow particle filler between 85%.
6. the advanced waste treatment apparatus according to claim 2 based on ozone and biofilm particles sewage sludge reactor,
It is characterized in that, the support plate uses porous plate, is uniformly distributed setting water distributor on the through-hole of the support plate, waste water is through water distribution
Biofilm particles sludge reaction area is distributed and passed through after device along the vertical sectional uniform of water flow, the limit plate uses porous plate,
Waste water enters circulating reflux area from biofilm particles sludge reaction area through the through-hole on limit plate, and the clear size of opening on limit plate is small
In the size of the bio-carrier.
7. the advanced waste treatment apparatus according to claim 2 based on ozone and biofilm particles sewage sludge reactor,
Be characterized in that, the sequencing batch biofilm granular sludge expansion bed reactor is additionally provided with circulated aeration tank and effluent trough, it is described go out
Sink, which is provided with, is recycled back to head piece, and the head piece that is recycled back to is connect with circulated aeration tank, and the aerating system setting is exposed in circulation
In gas pond, the circulating outlet is arranged on circulated aeration tank.
8. the advanced waste treatment apparatus according to claim 1 based on ozone and biofilm particles sewage sludge reactor,
It is characterized in that, is additionally provided with waste water recycling processing unit, comprising: the first pond, the second pond, third pond, the 4th water pump,
Five water pumps, the 6th water pump, more medium filter, ultrafiltration membrane system and counter-infiltration system；
The sequencing batch biofilm granular sludge expansion bed reactor is provided with discharge outlet, the discharge outlet and the first pond into
The water outlet of mouth of a river connection, first pond is connected by the water inlet of the 4th water pump and more medium filter, more Jie
The water outlet of mass filter is connect with the water inlet in the second pond, and the water outlet in second pond passes through the 5th water pump and ultrafiltration
The water inlet of membranous system connects, and the water outlet of the ultrafiltration membrane system is connect with the water inlet in third pond, the third pond
Water outlet connect with counter-infiltration system by the 6th water pump.
9. the advanced waste treatment apparatus according to claim 8 based on ozone and biofilm particles sewage sludge reactor,
It is characterized in that, the third pond is provided with agitating device, antisludging agent and antioxidant input port, the ultrafiltration membrane treatment system
Filter washing water inlet is provided with reverse osmosis membrane treatment system.
10. the advanced waste treatment apparatus according to claim 1 based on ozone and biofilm particles sewage sludge reactor,
It is characterized in that, the collecting-tank is equipped with catalyst input port, and the well-balanced adjustment pond is equipped with nutritive salt and lye input port, described
Collecting-tank and well-balanced adjustment pond are provided with agitating device, and the ozone reactor is provided with gas distributor and ozone layer destroying
Device, the gas distributor are arranged in ozone reactor bottom and connect with gas access, and the ozone breaker is arranged smelly
Oxygen reactor offgas outlet.
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| CN201910702353.9A CN110451718A (en) | 2019-07-31 | 2019-07-31 | Advanced waste treatment apparatus based on ozone and biofilm particles sewage sludge reactor |
| PCT/CN2019/124744 WO2021017366A1 (en) | 2019-07-31 | 2019-12-12 | Advanced wastewater treatment device based on ozone reactor and biomembrane granular sludge reactor |
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| CN201910702353.9A CN110451718A (en) | 2019-07-31 | 2019-07-31 | Advanced waste treatment apparatus based on ozone and biofilm particles sewage sludge reactor |
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Cited By (2)
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| CN111732182A (en) * | 2020-07-03 | 2020-10-02 | 西安建筑科技大学 | Method and device for eliminating sludge bulking by catalytic ozonation |
| WO2021017366A1 (en) * | 2019-07-31 | 2021-02-04 | 华南理工大学 | Advanced wastewater treatment device based on ozone reactor and biomembrane granular sludge reactor |
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| CN114262117A (en) * | 2021-12-07 | 2022-04-01 | 中煤能源研究院有限责任公司 | System and process for deeply degrading COD (chemical oxygen demand) by organic wastewater |
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