CN106746116A - A kind of zero-discharge treatment process for industrial wastewater and processing system - Google Patents
A kind of zero-discharge treatment process for industrial wastewater and processing system Download PDFInfo
- Publication number
- CN106746116A CN106746116A CN201611200720.8A CN201611200720A CN106746116A CN 106746116 A CN106746116 A CN 106746116A CN 201611200720 A CN201611200720 A CN 201611200720A CN 106746116 A CN106746116 A CN 106746116A
- Authority
- CN
- China
- Prior art keywords
- water
- treatment
- waste water
- concentrated
- delivery port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 290
- 239000012528 membrane Substances 0.000 claims abstract description 99
- 239000002351 wastewater Substances 0.000 claims abstract description 79
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 58
- 238000010612 desalination reaction Methods 0.000 claims abstract description 56
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 49
- 239000011347 resin Substances 0.000 claims abstract description 42
- 229920005989 resin Polymers 0.000 claims abstract description 42
- 239000012141 concentrate Substances 0.000 claims abstract description 27
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 11
- 238000001704 evaporation Methods 0.000 claims description 33
- 241000276438 Gadus morhua Species 0.000 claims description 29
- 235000019516 cod Nutrition 0.000 claims description 29
- 150000003839 salts Chemical class 0.000 claims description 29
- 239000011780 sodium chloride Substances 0.000 claims description 29
- 230000001105 regulatory Effects 0.000 claims description 26
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052698 phosphorus Inorganic materials 0.000 claims description 18
- 239000011574 phosphorus Substances 0.000 claims description 18
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 claims description 17
- 238000006297 dehydration reaction Methods 0.000 claims description 12
- 239000010802 sludge Substances 0.000 description 31
- 238000001914 filtration Methods 0.000 description 17
- 229910052760 oxygen Inorganic materials 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 14
- 239000003643 water by type Substances 0.000 description 12
- 238000001035 drying Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000011068 load Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 235000013162 Cocos nucifera Nutrition 0.000 description 4
- 240000007170 Cocos nucifera Species 0.000 description 4
- 229920001721 Polyimide Polymers 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000005712 crystallization Effects 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- 238000004377 microelectronic Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000003002 pH adjusting agent Substances 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating Effects 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000004059 degradation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 235000019688 fish Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000102 heterotrophic Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- -1 nitrate nitrogen Chemical compound 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000000452 restraining Effects 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 238000005303 weighing 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
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The invention belongs to water treatment field, more particularly to a kind of zero-discharge treatment process for industrial wastewater and processing system.The handling process is comprised the following steps：A) industrial wastewater carries out pH regulations, Anaerobic Treatment, Aerobic Process for Treatment and Membrane Bioreactor for Wastewater Treatment successively, obtains pretreated waste water；B) pretreated waste water carries out carbon filter and resin adsorption successively, obtains softening waste water；C) the softening waste water is processed by brackish water desalination reverse-osmosis membrane element, obtains the first fresh water and the first concentrated water；First fresh water is reclaimed；D) first concentrated water is processed by seawater desalination reverse osmosis membrane component, obtains the second fresh water and the second concentrated water；Second fresh water is reclaimed；E) second concentrated water is evaporated concentration, obtains steam and concentrate；The steam is condensed, and condensed water is reclaimed；The concentrate is dehydrated, and obtains solid slag.The present invention carries out a series for the treatment of by industrial wastewater, realizes the discharge of industrial wastewater zero.
Description
Technical field
The invention belongs to water treatment field, more particularly to a kind of zero-discharge treatment process for industrial wastewater and processing system.
Background technology
Microelectric technique is one of most fast technology of contemporary development, is basis and the heart of electronics and information industry.Microelectronics
The development of technology, promoted significantly space flight and aviation technology, remote measurement sensing technology, mechanics of communication, computer technology, network technology and
The fast development of household electrical appliance industry.In China, microelectronic industry is classified as mainstay of the national economy industry.Nowadays,
Microelectric technique has turned into the important symbol for weighing a national science technological progress and overall national strength.
Growth is developed rapidly with microelectronics industry, the industrial wastewater for producing therefrom turns into industry development restraining factors
One of.These industrial wastewaters enter water body, particularly flow more slow lake, bay, easily cause in water algae and other
Microorganism amount reproduction, forms eutrophication pollution, difficult except that can run water treatment plants, causes the peculiar smell of drinking water
Outward, when serious oxygen in water can decline, fish mortality results even in the dry destruction in lake.Therefore, these works
Industry waste water is before discharge, it is necessary to carry out qualified discharge treatment.But existed using qualified discharge tupe treatment industrial wastewater
Treatment not thorough, be susceptible to the problem of secondary environmental pollution.
The content of the invention
In view of this, it is an object of the invention to provide a kind of zero-discharge treatment process for industrial wastewater and processing system, this
Inventing the handling process for providing can realize the zero-emission of industrial wastewater, and the treatment to industrial wastewater is more thorough, is not susceptible to
Secondary environmental pollution.
The invention provides a kind of zero-discharge treatment process for industrial wastewater, comprise the following steps：
A), industrial wastewater carries out pH regulations, Anaerobic Treatment, Aerobic Process for Treatment and Membrane Bioreactor for Wastewater Treatment successively, obtains pre-
Treatment waste water；
B), the pretreated waste water carries out carbon filter and resin adsorption successively, obtains softening waste water；
C), the softening waste water is processed by brackish water desalination reverse-osmosis membrane element, obtains the first fresh water and first
Concentrated water；First fresh water is reclaimed；
D), first concentrated water is processed by seawater desalination reverse osmosis membrane component, obtains the second fresh water and second dense
Water；Second fresh water is reclaimed；
E), second concentrated water is evaporated concentration, obtains steam and concentrate；The steam is condensed, condensed water
Reclaimed；The concentrate is dehydrated, and obtains solid slag.
Preferably, it is 6.5~8 that the industrial wastewater carries out the pH value after pH regulations.
Preferably, the COD≤50mg/L of the pretreated waste water.
Preferably, the COD≤10mg/L for softening waste water, hardness≤0.03mmol/L, SDI value≤5.
Preferably, the salt content of first concentrated water is 10~20g/L.
Preferably, the salt content of second concentrated water is 20~100g/L.
Preferably, the temperature of the evaporation and concentration is 80~120 DEG C.
Preferably, the mode of the dehydration is low-temperature evaporation, and the temperature of the low-temperature evaporation is 50~80 DEG C.
Preferably, the COD >=300mg/L of the industrial wastewater, salt content >=1000mg/L, ammonia-nitrogen content >=20mg/L,
Total phosphorus content >=10mg/L.
The invention provides a kind of zero discharge of industrial waste water processing system, including：
Waste water storage tank；
The pH regulating tanks being connected with the waste water storage tank delivery port；
The anaerobic pond being connected with the pH regulating tanks delivery port；
The Aerobic Pond being connected with the anaerobic pond delivery port；
The membrane bioreactor being connected with the Aerobic Pond delivery port；
The active carbon filter being connected with the delivery port of the membrane bioreactor；
The resin tower being connected with the active carbon filter delivery port；
The brackish water desalination reverse osmosis membrane apparatus being connected with the resin tower delivery port；
The seawater desalination reverse osmosis film device being connected with the concentrated water outlet of the brackish water desalination reverse osmosis membrane apparatus；
The evaporation concentration device being connected with the concentrated water outlet of the seawater desalination reverse osmosis film device；
The dehydration device being connected with the concentrated solution outlet of the evaporation concentration device；
The condenser being connected with the steam (vapor) outlet of the evaporation concentration device；
The water outlet of water outlet, seawater desalination reverse osmosis film device with the brackish water desalination reverse osmosis membrane apparatus
The reuse water tank being connected with the condensation-water drain of condenser.
Compared with prior art, the invention provides a kind of zero-discharge treatment process for industrial wastewater and processing system.This hair
The handling process of bright offer is comprised the following steps：A), industrial wastewater carries out pH regulations, Anaerobic Treatment, Aerobic Process for Treatment and film successively
Bioreactor for treatment, obtains pretreated waste water；B), the pretreated waste water carries out carbon filter and resin adsorption successively, obtains soft
Change waste water；C), the softening waste water is processed by brackish water desalination reverse-osmosis membrane element, obtains the first fresh water and first dense
Water；First fresh water is reclaimed；D), first concentrated water is processed by seawater desalination reverse osmosis membrane component, is obtained
Second fresh water and the second concentrated water；Second fresh water is reclaimed；E), second concentrated water is evaporated concentration, obtains steam
And concentrate；The steam is condensed, and condensed water is reclaimed；The concentrate is dehydrated, and obtains solid slag.The present invention is logical
Cross carries out a series for the treatment of to industrial wastewater, realizes the discharge of industrial wastewater zero, relative to conventional qualified discharge tupe,
The handling process that the present invention is provided is to the more thorough of wastewater treatment, it is not easy to which secondary environmental pollution occurs.Test result indicate that adopting
Salt content≤the 200mg/L of the recycle-water that the method treatment provided with the present invention is obtained, COD≤1mg/L, ammonia-nitrogen content≤
0.5mg/L, total phosphorus content≤0.1mg/L meets reuse requirement.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is zero-discharge treatment process for industrial wastewater flow chart provided in an embodiment of the present invention.
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
The invention provides a kind of zero-discharge treatment process for industrial wastewater, comprise the following steps：
A), industrial wastewater carries out pH regulations, Anaerobic Treatment, Aerobic Process for Treatment and Membrane Bioreactor for Wastewater Treatment successively, obtains pre-
Treatment waste water；
B), the pretreated waste water carries out carbon filter and resin adsorption successively, obtains softening waste water；
C), the softening waste water is processed by brackish water desalination reverse-osmosis membrane element, obtains the first fresh water and first
Concentrated water；First fresh water is reclaimed；
D), first concentrated water is processed by seawater desalination reverse osmosis membrane component, obtains the second fresh water and second dense
Water；Second fresh water is reclaimed；
E), second concentrated water is evaporated concentration, obtains steam and concentrate；The steam is condensed, condensed water
Reclaimed；The concentrate is dehydrated, and obtains solid slag.
In the handling process that the present invention is provided, pH regulations are carried out to industrial wastewater first.One provided in the present invention
In embodiment, COD (the COD) >=300mg/L of the industrial wastewater, concretely 350mg/L, 400mg/L,
450mg/L, 500mg/L, 550mg/L or 600mg/L.In one embodiment that the present invention is provided, the industrial wastewater contains
Salt amount >=1000mg/L, concretely 1500mg/L, 2000mg/L, 2500mg/L, 3000mg/L, 3500mg/L, 4000mg/L,
4500mg/L, 5000mg/L, 5500mg/L or 6000mg/L.In one embodiment that the present invention is provided, the industrial wastewater
Ammonia-nitrogen content >=20mg/L, concretely 25mg/L, 30mg/L, 35mg/L, 40mg/L, 45mg/L or 50mg/L.In this hair
In one embodiment of bright offer, the total phosphorus content >=10mg/L of the industrial wastewater, concretely 12mg/L, 15mg/L,
17mg/L, 20mg/L, 25mg/L or 30mg/L.In the present invention, the mode of pH regulation is to adding acid in industrial wastewater
Property material and/or alkaline matter, the acidic materials preferably sulfuric acid, the alkaline matter are preferably NaOH.In the present invention
In, the pH value of the waste water after the pH regulations is preferably 6.5~8, more preferably 7~8.In the present invention, it is preferred to Industry Waste
Water carries out two step pH regulations, and the first step is coarse adjustment, and substantially to pH value is required, second step is accurate adjustment for regulation, is accurately adjusted to requiring
PH value.
After completing pH regulations, waste water carries out Anaerobic Treatment.Waste water is by after Anaerobic Treatment, obtaining Anaerobic Treatment water outlet.Obtain
After obtaining Anaerobic Treatment water outlet, Anaerobic Treatment water outlet carries out Aerobic Process for Treatment.In the present invention, it is preferred to carry out two-stage aerobic treatment, give up
Water is by after Aerobic Process for Treatment, obtaining Aerobic Process for Treatment water outlet.In one embodiment that the present invention is provided, Anaerobic Treatment and aerobic place
During reason, total hrt is 8~12h, specifically may be selected to be 8h, 10h or 12h.One provided in the present invention
In embodiment, during Anaerobic Treatment and Aerobic Process for Treatment, BOD5 sludge loadings 0.1~0.3 specifically may be selected to be 0.2.At this
Invent in the one embodiment for providing, during Anaerobic Treatment and Aerobic Process for Treatment, the dissolved oxygen≤0.2mg/L of anaerobism section has
Body may be selected to be 0.15mg/L or 0.18mg/L；Dissolved oxygen >=the 2mg/L of aerobic section, specifically may be selected to be 2mg/L, 4mg/L or
5mg/L.In one embodiment that the present invention is provided, during Anaerobic Treatment and Aerobic Process for Treatment, the ammonia-nitrogen content of aerobic section
(TN) load≤0.05 (aerobic section), specifically may be selected to be 0.05；Total phosphorus content (TP) load≤0.06 of anaerobism section, specifically may be used
Select to be 0.06.In one embodiment that the present invention is provided, during Anaerobic Treatment and Aerobic Process for Treatment, sludge concentration 3000
~5000mg/L, specifically may be selected to be 3500mg/L, 4000mg/L or 4500mg/L；Sludge age 10~20 days, specifically may be selected to be
15 days, 18 days or 20 days；Reflux ratio 100%~200%, specifically may be selected to be 120%, 150% or 200%.Carried in the present invention
In one embodiment of confession, the COD≤80mg/L of Aerobic Process for Treatment water outlet specifically may be selected to be≤60mg/L or≤70mg/L；Ammonia
Nitrogen content≤8mg/L, specifically may be selected to be≤7.8mg/L ,≤5.5mg/L；Total phosphorus content≤1mg/L, specifically may be selected to be≤
0.3mg/L or≤0.4mg/L.
After obtaining Aerobic Process for Treatment water outlet, Aerobic Process for Treatment water outlet carries out Membrane Bioreactor for Wastewater Treatment.One provided in the present invention
In individual embodiment, the film that the membrane bioreactor is used is hollow fiber membrane, and material is PVDF, the aperture of the film for 0.01~
0.1 μm, specifically may be selected to be 0.03 μm, 0.04 μm, 0.05 μm, 0.06 μm, 0.07 μm, 0.08 μm or 0.09 μm.In the present invention
In one embodiment of offer, micropore distribution device, the exposure of the micropore distribution device are provided with the membrane bioreactor
Tolerance is preferably dissolved oxygen in making membrane bioreactor and is more than 2~5mg/L, more preferably 5mg/L.One provided in the present invention
In embodiment, during Membrane Bioreactor for Wastewater Treatment, hydraulic detention time 8 of the Aerobic Process for Treatment water outlet in membrane bioreactor~
15h, specifically may be selected to be 10h or 12h.It is dirty during Membrane Bioreactor for Wastewater Treatment in one embodiment that the present invention is provided
Mud 3000~15000mg/L of concentration, specifically may be selected to be 5000mg/L, 5500mg/L or 6000mg/L；Sludge age 15~30 days, tool
Body may be selected to be 20 days or 25 days.Waste water is by after Membrane Bioreactor for Wastewater Treatment, obtaining pretreated waste water.The one of present invention offer
In individual embodiment, the COD≤50mg/L of the pretreated waste water；Ammonia-nitrogen content≤5mg/L；Total phosphorus content≤0.5mg/L, SDI
(Silting Density Index, pollution index) value≤5.
After obtaining pretreated waste water, the pretreated waste water carries out carbon filter.In the present invention, carbon filter activity used
Carbon is preferably cocoanut active charcoal, the particle diameter preferably 1~2mm of the activated carbon.In the present invention, the carbon filter is preferably in pressure type
Carried out in filter, the waste water flow velocity of the carbon filter is preferably 6~15 ms/h, specifically may be selected to be 6 ms/h, 8 meters/small
When or 10 ms/h；The pressure difference of the carbon filter is preferably controlled in 0.3~1.0kg/cm2, specifically may be selected to be 0.5kg/cm2.It is useless
Water is by after carbon filter, obtaining carbon and leaching water.Carbon leaches the water quality index of water, and (Silting Density Index, pollution refers to SDI
Number) value≤5, COD≤20mg/L.
After acquisition carbon leaches water, the carbon leaches water and carries out resin adsorption.In the present invention, the resin adsorption preferably exists
Co-current regeneration cation is carried out in softening bed, and the resin of use is preferably gel-type macroreticular resin D001x7；Resin adsorption process
In waste water flow velocity be preferably 10~20 ms/h, specifically may be selected to be 10 ms/h, 12 ms/h or 15 ms/h；Tree
Pressure difference in fat adsorption process is controlled in 0.3~1.0kg/cm2, specifically may be selected to be 0.6kg/cm2Or 0.7kg/cm2.Waste water is passed through
After crossing resin adsorption, obtain softening waste water.In one embodiment that the present invention is provided, the COD≤10mg/L for softening waste water,
Hardness≤0.03mmol/L, SDI (Silting Density Index, pollution index) value≤5.
Obtain after softening waste water, the softening waste water is processed by brackish water desalination reverse-osmosis membrane element (BWRO).
In the present invention, the membrane material of the brackish water desalination reverse-osmosis membrane element can be polyimides, and membrane aperture may be selected to be
0.1nm or so.In one embodiment that the present invention is provided, the membrane component is made up of some rolled films, every rolled film
Membrane area be 37~40m2, preferably 37m2；In one embodiment that the present invention is provided, the membrane component is by 18 rollings
Film is constituted, specific to may be selected 18.In the present invention, the membrane component can be single-stage membrane component, or plural serial stage
Membrane component, can be specifically 2 grades series connection or 3 grades series connection.After waste water is processed through brackish water desalination reverse-osmosis membrane element, the is obtained
One fresh water and the first concentrated water；First fresh water is reclaimed, and the salt content of first concentrated water is preferably controlled in 10~20g/
L, specifically may be selected to be 10g/L or 12g/L.
After obtaining the first concentrated water, first concentrated water is processed by seawater desalination reverse osmosis membrane component (SWRO).
In the present invention, the membrane material of the seawater desalination reverse osmosis membrane component can be polyimides, and it is left that membrane aperture may be selected to be 0.1nm
It is right.In one embodiment that the present invention is provided, the membrane component is made up of some rolled films, every membrane area of rolled film
It is 37~40m2, preferably 37m2；In one embodiment that the present invention is provided, the membrane component is made up of 6 rolled films, tool
Body may be selected 6.In the present invention, the membrane component can be single-stage membrane component.Waste water is through seawater desalination reverse osmosis membrane component
After treatment, the second fresh water and the second concentrated water are obtained；Second fresh water is reclaimed, and the salt content of second concentrated water is preferably controlled
System specifically may be selected to be 30g/L or 35g/L in 20~100g/L.
After obtaining the second concentrated water, second concentrated water is evaporated concentration.In the present invention, the temperature of the evaporative crystallization
Preferably 80~120 DEG C, concretely 85 DEG C, 90 DEG C, 95 DEG C, 100 DEG C, 105 DEG C, 110 DEG C or 115 DEG C.In the present invention, institute
State evaporation and concentration is preferably carried out in multi-effect evaporator or function of mechanical steam recompression evaporator.After evaporation and concentration treatment, obtain dense
Contracting liquid and steam.In the present invention, the salt content in the concentrate is preferably 100~300g/L, is specifically chosen as 200g/L.
That is, in evaporating concentration process, preferably carrying out discharge opeing when the salt content of indoor concentrate is concentrated by evaporation in 300g/L.
After obtaining concentrate and steam, the steam is condensed, and condensed water is reclaimed；The concentrate is taken off
Water.In the present invention, the mode of the dehydration is preferably low-temperature evaporation, and the temperature of the low-temperature evaporation is preferably 50~80 DEG C,
Specifically it is chosen as 55 DEG C, 60 DEG C, 65 DEG C, 70 DEG C or 75 DEG C.Solid slag, the outer treatment of solid slag committee are obtained after concentration fluid dewatering.
The present invention carries out a series for the treatment of by industrial wastewater, the discharge of industrial wastewater zero is realized, relative to routine
Qualified discharge tupe, the handling process that the present invention is provided is to the more thorough of wastewater treatment, it is not easy to two secondary environments occur dirty
Dye.Test result indicate that salt content≤the 200mg/L of the recycle-water obtained using the method treatment that the present invention is provided, COD≤
1mg/L, ammonia-nitrogen content≤0.5mg/L, total phosphorus content≤0.1mg/L meets reuse requirement.
A kind of zero discharge of industrial waste water processing system that the present invention is provided, including：
Waste water storage tank；
The pH regulating tanks being connected with the waste water storage tank delivery port；
The anaerobic pond being connected with the pH regulating tanks delivery port；
The Aerobic Pond being connected with the anaerobic pond delivery port；
The membrane bioreactor being connected with the Aerobic Pond delivery port；
The active carbon filter being connected with the delivery port of the membrane bioreactor；
The resin tower being connected with the active carbon filter delivery port；
The brackish water desalination reverse osmosis membrane apparatus being connected with the resin tower delivery port；
The seawater desalination reverse osmosis film device being connected with the concentrated water outlet of the brackish water desalination reverse osmosis membrane apparatus；
The evaporation concentration device being connected with the concentrated water outlet of the seawater desalination reverse osmosis film device；
The dehydration device being connected with the concentrated solution outlet of the evaporation concentration device；
The condenser being connected with the steam (vapor) outlet of the evaporation concentration device；
The water outlet of water outlet, seawater desalination reverse osmosis film device with the brackish water desalination reverse osmosis membrane apparatus
The reuse water tank being connected with the condensation-water drain of condenser.
Referring to Fig. 1, Fig. 1 is zero-discharge treatment process for industrial wastewater flow chart provided in an embodiment of the present invention.The present invention is carried
The processing system of confession includes：Waste water storage tank, pH regulating tanks, anaerobic pond, Aerobic Pond, membrane bioreactor, active carbon filter, tree
Fat tower, brackish water desalination reverse osmosis membrane apparatus, seawater desalination reverse osmosis film device, evaporation concentration device, dehydration device, condenser
With reuse water tank.
In the present invention, the waste water storage tank is used to store industrial wastewater, is provided with water inlet and delivery port.
In the present invention, the pH regulating tanks are used to carry out pH regulations to industrial wastewater, are provided with pH adjusting agent and add
Material mouth, water inlet and delivery port.The water inlet of the pH regulating tanks is connected with the delivery port of the liquid waste tank.Carried in the present invention
In one embodiment of confession, the processing system includes two pH regulating tanks being connected in series, for ease of distinguishing, according to waste water stream
Through order, a pH regulating tanks and the 2nd pH regulating tanks are named as, wherein, a pH regulating tanks are used for the coarse adjustment of pH value of waste water,
Substantially to pH value is required, the 2nd pH regulating tanks are used for the accurate adjustment of pH value of waste water for regulation, accurately adjust to requiring pH value.
In the present invention, the waste water that the anaerobic pond is used for after being adjusted to pH carries out Anaerobic Treatment, is provided with into water
Mouth and delivery port.The water inlet of the anaerobic pond is connected with the delivery port of the pH regulating tanks.In anaerobic pond, will be big in water
Molecule, the organic matter of difficult degradation are converted into the small organic molecule of easily biological-degradable, are that follow-up Aerobic Process for Treatment reduces load and wound
Make favourable biochemical condition.
In the present invention, the Aerobic Pond be used for Aerobic Process for Treatment is carried out to the waste water after Anaerobic Treatment, be provided with into
The mouth of a river and delivery port.The water inlet of the Aerobic Pond is connected with the delivery port of the anaerobic pond.In the reality that the present invention is provided
Apply in example, the processing system includes two Aerobic Ponds being connected in series, for ease of distinguishing, order, name are flowed through according to waste water
It is the first Aerobic Pond and the second Aerobic Pond.In Aerobic Pond, under nitrification, ammonia nitrogen is oxidized to nitrate nitrogen, and concentration is fast
Speed declines；Under heterotrophic bacteria effect, organic matter is decomposed, and COD constantly declines.
In the present invention, the membrane bioreactor (MBR reactors) is used to further locate the waste water after Aerobic Process for Treatment
Reason, to reduce the pollutant index of waste water, is provided with water inlet, delivery port and sludge outlet.The membrane biological reaction
The water inlet of device is connected with the delivery port of the Aerobic Pond.In one embodiment that the present invention is provided, the processing system is also
Including organic sludge concentration tank, the import of the organic sludge thickener and the sludge outlet phase of the membrane bioreactor
Even, for being concentrated to the sludge that membrane bioreactor is discharged.
In the present invention, the active carbon filter is used to carry out carbon filter to the waste water after Membrane Bioreactor for Wastewater Treatment, its
On be provided with water inlet and delivery port.The delivery port phase of the water inlet of the active carbon filter and the membrane bioreactor
Even.
In the present invention, the waste water that the resin tower is used for after being filtered to carbon carries out resin adsorption, is provided with water inlet
And delivery port.The water inlet of the resin tower is connected with the delivery port of the active carbon filter.
In the present invention, the brackish water desalination reverse osmosis membrane apparatus (BWRO devices) are used for the waste water after resin adsorption
Osmosis filtration is carried out, the outlet of water inlet, water outlet and concentrated water is provided with.The brackish water desalination reverse osmosis membrane apparatus
Water inlet be connected with the delivery port of the resin tower.In one embodiment that the present invention is provided, the system for handling is also wrapped
Include brackish water desalination reverse osmosis membrane raw water groove (BWRO raw waters groove), for being cached to the waste water after resin adsorption, the hardship
Desalination reverse osmosis membrane raw water groove is arranged between resin tower and brackish water desalination reverse osmosis membrane apparatus.
In the present invention, the seawater desalination reverse osmosis film device (SWRO devices) is used for being obtained through the treatment of BWRO devices
Concentrated water carry out osmosis filtration, be provided with water inlet, water outlet and concentrated water outlet.The seawater desalination reverse osmosis film
The water inlet of device is connected with the concentrated water outlet of the brackish water desalination reverse osmosis membrane apparatus.In the implementation that the present invention is provided
In example, the system for handling also includes brackish water desalination reverse osmosis membrane concentrated water groove (BWRO concentrated waters groove), for through BWRO devices
The concentrated water that treatment is obtained is cached, and the brackish water desalination reverse osmosis membrane concentrated water groove is arranged on brackish water desalination reverse osmosis membrane dress
Put and seawater desalination reverse osmosis film device between.
In the present invention, the evaporation concentration device is dense for being evaporated to the concentrated water obtained through the treatment of SWRO devices
Contracting, is provided with water inlet, steam (vapor) outlet and concentrated solution outlet.The water inlet of the evaporation concentration device is light with the seawater
The concentrated water outlet for changing reverse osmosis membrane apparatus is connected.In the one embodiment for providing in the present invention, the evaporation concentration device is
Steam mechanical recompression evaporator (MVR evaporators).In one embodiment that the present invention is provided, the system for handling also includes
Seawater desalination reverse osmosis film concentrated water groove (SWRO concentrated waters groove), for being cached to processing the concentrated water for obtaining through SWRO devices, institute
Seawater desalination reverse osmosis film concentrated water groove is stated to be arranged between seawater desalination reverse osmosis film device and evaporation concentration device.
In the present invention, the dehydration device is used to that the concentrate of evaporation concentration device output be dehydrated being consolidated
Slag, is provided with inlet and solid slag outlet.The concentrate of the inlet of the dehydration device and the evaporation concentration device
Outlet is connected.In one embodiment that the present invention is provided, the dehydration device is that (VDC is dried low-temperature evaporation crystallizing and drying machine
Machine).In one embodiment that the present invention is provided, the system for handling also includes concentration liquid bath, for delaying to concentrate
Deposit, the concentration liquid bath is arranged between evaporation concentration device and dehydration device.
In the present invention, the condenser is used to condense the steam of evaporation concentration device output, is provided with
Air inlet and condensation-water drain.The air inlet of the condenser is connected with the steam (vapor) outlet of the evaporation concentration device.
In the present invention, the reuse water tank is used to reclaim fresh water and condensed water, is provided with water inlet.Institute
State the water inlet of reuse water tank water outlet, seawater desalination reverse osmosis film respectively with the brackish water desalination reverse osmosis membrane apparatus
The water outlet of device is connected with the condensation-water drain of condenser.
The processing system running that the present invention is provided is as follows：Industrial wastewater initially enters waste water storage tank；Then flow successively
PH adjusted groove, anaerobic pond, Aerobic Pond, membrane bioreactor, obtain pretreated waste water；Then pretreated waste water flows through work successively
Property carbon filter and resin tower, obtain softening waste water；After-tack waste water located in brackish water desalination reverse osmosis membrane apparatus
Reason, obtains the first fresh water and the first concentrated water；Then first it is dense processed in water seawater desalination reverse osmosis film device, obtain
Two fresh water and the second concentrated water；The second concentrated water is evaporated concentration in evaporation concentration device afterwards, obtains steam and concentrate；Then
Concentrate is dehydrated in dehydration device, obtains solid slag, the outer treatment of committee；Steam carries out being condensed within the condenser
Water；First fresh water, the second fresh water and condensed water are delivered to reuse water tank.
The processing system that the present invention is provided carries out a series for the treatment of by industrial wastewater, realizes the row of industrial wastewater zero
Put, relative to conventional qualified discharge tupe, the handling process that the present invention is provided is to the more thorough of wastewater treatment, it is not easy to send out
Raw secondary environmental pollution.Test result indicate that the salt content of the recycle-water obtained using the method treatment that the present invention is provided≤
200mg/L, COD≤1mg/L, ammonia-nitrogen content≤0.5mg/L, total phosphorus content≤0.1mg/L meet reuse requirement.
For the sake of becoming apparent from, it is described in detail below by following examples.
Embodiment 1
Zero discharge of industrial waste water processing system
The processing system that the present embodiment is provided includes：Waste water storage tank, a pH regulating tanks, the 2nd pH regulating tanks, anaerobic pond,
First Aerobic Pond, the second Aerobic Pond, membrane bioreactor, organic sludge thickener, active carbon filter, resin tower, BWRO are former
It is tank, BWRO devices, BWRO concentrated waters groove, SWRO devices, SWRO concentrated waters groove, MRV evaporators, concentration liquid bath, VDC drying machines, cold
Condenser and reuse water tank.
Water inlet and delivery port are provided with the waste water storage tank.
PH adjusting agent charge door, water inlet and delivery port are provided with the first pH regulating tanks.The first pH regulations
The water inlet of groove is connected with the delivery port of the waste water storage tank.
PH adjusting agent charge door, water inlet and delivery port are provided with the 2nd pH regulating tanks.The 2nd pH regulations
The water inlet of groove is connected with the delivery port of a pH regulating tanks.
Water inlet and delivery port are provided with the anaerobic pond.The water inlet of the anaerobic pond goes out with the pH regulating tanks
The mouth of a river is connected.
Water inlet and delivery port are provided with first Aerobic Pond.The water inlet of first Aerobic Pond and the anaerobism
The delivery port in pond is connected.
Water inlet and delivery port are provided with second Aerobic Pond.The water inlet of second Aerobic Pond and described first
The delivery port of Aerobic Pond is connected.
Water inlet, delivery port and sludge outlet are provided with the MBR reactors.The film that the MBR reactors are used
It is hollow fiber membrane, the aperture of the film is 0.4 μm, and micropore distribution device is provided with the MBR reactors.The MBR reactions
The water inlet of device is connected with the delivery port of second Aerobic Pond.
The import of the organic sludge thickener is connected with the sludge outlet of the membrane bioreactor.
Water inlet and delivery port are provided with the active carbon filter.The water inlet of the active carbon filter with it is described
The delivery port of membrane bioreactor is connected.
Water inlet and delivery port are provided with the resin tower.The water inlet of the resin tower and the active carbon filter
Delivery port be connected.
Water inlet and delivery port are provided with the BWRO raw waters groove.The water inlet of the BWRO raw waters groove and the resin
The delivery port of tower is connected.
The outlet of water inlet, water outlet and concentrated water is provided with the BWRO devices.The membrane material of the BWRO membrane components
Can be polyimides, membrane aperture may be selected to be 0.1nm, and the BWRO membrane components are made up of 18 rolled films, every rolled film
Membrane area be 37m2, the BWRO membrane components are using 2 grades of series models.
The water inlet of the BWRO devices is connected with the delivery port of BWRO raw water grooves.
Water inlet and delivery port are provided with the BWRO concentrated waters groove.The water inlet of the BWRO concentrated waters groove and the BWRO
The concentrated water outlet of device is connected.
The outlet of water inlet, water outlet and concentrated water is provided with the SWRO devices.The membrane material of the SWRO membrane components
Can be polyimides, membrane aperture may be selected to be 0.1nm, and the SWRO membrane components are made up of 6 rolled films, every rolled film
Membrane area is 37m2, the SWRO membrane components use single mode.The water inlet of the SWRO devices and the BWRO concentrated waters groove
Delivery port be connected.
Water inlet and delivery port are provided with the SWRO concentrated waters groove.The water inlet of the SWRO concentrated waters groove and the SWRO
The concentrated water outlet of device is connected.
Water inlet, steam (vapor) outlet and concentrated solution outlet are provided with the MVR evaporators.The water inlet of the MVR evaporators
Mouth is connected with the delivery port of SWRO concentrated water grooves.
Water inlet and delivery port are provided with the concentration liquid bath.The water inlet of the concentration liquid bath evaporates with the MVR
The concentrated solution outlet of device is connected.
Inlet and solid slag outlet are provided with the VDC drying machines.The inlet of the VDC drying machines and the concentration
The delivery port of liquid bath is connected.
Air inlet and condensation-water drain are provided with the condenser.The air inlet of the condenser evaporates with the MVR
The steam (vapor) outlet of device is connected.
The water inlet of reuse water tank water outlet respectively with the brackish water desalination reverse osmosis membrane apparatus, seawater are light
The water outlet for changing reverse osmosis membrane apparatus is connected with the condensation-water drain of condenser.
The processing system running that the present invention is provided is as follows：Industrial wastewater initially enters waste water storage tank；Then flow successively
Through a pH regulating tanks, the 2nd pH regulating tanks, anaerobic pond, the first Aerobic Pond, the second Aerobic Pond, membrane bioreactor, obtain pre-
Treatment waste water and sludge；Then sludge is delivered to organic sludge thickener, pretreated waste water flow through successively active carbon filter and
Resin tower, obtains softening waste water；After-tack waste water be first delivered to BWRO raw water grooves, then be transported to BWRO dresses from BWRO raw water grooves
Processed in putting, obtained the first fresh water and the first concentrated water；Then the first concentrated water is first delivered to BWRO concentrated water grooves, then dense from BWRO
Tank is processed in being transported to SWRO devices, obtains the second fresh water and the second concentrated water；The second concentrated water is in MRV evaporators afterwards
Concentration is evaporated, steam and concentrate is obtained；Then concentrate is first delivered to concentration liquid bath, is transported to from concentration liquid bath
It is dried in VDC drying machines, obtains solid slag, the outer treatment of committee；Steam carries out condensing within the condenser that to obtain condensed water first light
Water, the second fresh water and condensed water are delivered to reuse water tank.
Embodiment 2
Zero-discharge treatment process for industrial wastewater
The processing system provided using embodiment 1 carries out zero discharge treatment to industrial wastewater
Day output：360t/d；Import salt content：4500mg/L, import COD：350mg/L, import ammonia nitrogen：35mg/L,
Import total phosphorus：15mg/L.
In processing system running, the pH value of the 2nd pH regulating tank water outlets is 7~8；
Anaerobic pond, the first Aerobic Pond and the second Aerobic Pond, total hrt 10 hours in processing procedure, BOD5 sludge
Load 0.2, anaerobic pond dissolved oxygen 0.15mg/L, Aerobic Pond dissolved oxygen 2mg/L, TN load 0.05 (aerobic section), TP loads 0.06
(anaerobism section), sludge concentration 4500mg/L, sludge age 20 days, reflux ratio 150%.The water quality index of Aerobic Process for Treatment water outlet, COD≤
70mg/L, ammonia-nitrogen content≤7.8mg/L, total phosphorus content≤0.3mg/L
MBR reactors hydraulic detention time 12 hours, sludge concentration 5000mg/L, sludge age 20 days, dissolved oxygen 5mg/L；
MBR reactor effluent qualities are monitored, control water outlet COD50mg/L；
Active carbon filter carbon filtration Cheng Caiyong pressure filters, activated carbon used are cocoanut active charcoal, activated carbon grain
1~2mm of footpath, 10 ms/h of filtration flow-rate, filtration pressure difference control are in 0.5kg/cm2.Waste water is by after carbon filter, obtaining carbon and leaching
Water.Carbon leaches the water quality index of water, SDI (Silting Density Index, pollution index) value≤5, COD≤18mg/L；
Resin tower softens bed, resin and uses gel-type macroreticular resin D001x7, filtration flow-rate using co-current regeneration cation
15 ms/h, filtration pressure difference control in 0.6kg/cm2.Resin tower effluent quality is monitored, control water outlet COD≤10mg/
L, hardness≤0.03mmol/L, SDI values ＜ 5；
BWRO devices, control the salt content of the first concentrated water of BWRO device outputs in 10g/L；
SWRO devices, control the salt content of the second concentrated water of SWRO device outputs in 30g/L；
MRV evaporators, at 100 DEG C, the salt content of concentrate is in 200g/L in control hair crystallisation chamber for vaporization chamber temperature setting
Shi Jinhang discharge opeings, obtain concentrate；
VDC drying machines；Drying temperature is arranged on 80 DEG C.
The water quality of water to being collected in reuse water tank is monitored, as a result for：Salt content 100mg/L, COD0.8mg/L, ammonia
Nitrogen content 0.4mg/L, total phosphorus content≤0.08mg/L meets reuse requirement.
Embodiment 3
Zero-discharge treatment process for industrial wastewater
The processing system provided using embodiment 1 carries out zero discharge treatment to industrial wastewater
Day output：500t/d；Import salt content：5000mg/L, import COD：450mg/L, import ammonia nitrogen：25mg/L,
Import total phosphorus：10mg/L.
In processing system running, the pH value of the 2nd pH regulating tank water outlets is 7~8；
Anaerobic pond, the first Aerobic Pond and total hrt 8 hours in the second Aerobic Pond processing procedure, BOD5 sludge are born
Lotus 0.2, anaerobic pond dissolved oxygen 0.15mg/L, Aerobic Pond dissolved oxygen 5mg/L, TN load 0.05 (aerobic section), TP loads 0.06 (are detested
Oxygen section), sludge concentration 3500mg/L, sludge age 15 days, reflux ratio 120%.The water quality index of Aerobic Process for Treatment water outlet, COD≤60mg/
L, ammonia-nitrogen content≤5.5mg/L, total phosphorus content≤0.4mg/L
MBR reactors hydraulic detention time 10 hours, sludge concentration 6000mg/L, sludge age 25 days, dissolved oxygen 5mg/L；
MBR reactor effluent qualities are monitored, control water outlet COD≤50mg/L；
Active carbon filter carbon filtration Cheng Caiyong pressure filters, activated carbon used are cocoanut active charcoal, activated carbon grain
1~2mm of footpath, 6 ms/h of filtration flow-rate, filtration pressure difference control are in 0.5kg/cm2.Waste water is by after carbon filter, obtaining carbon and leaching
Water.Carbon leaches the water quality index of water, SDI (Silting Density Index, pollution index) value≤5, COD≤20mg/L；
Resin tower softens bed, resin and uses gel-type macroreticular resin D001x7, filtration flow-rate using co-current regeneration cation
10 ms/h, filtration pressure difference control in 0.6kg/cm2.；Resin tower effluent quality is monitored, control water outlet COD≤
10mg/L, hardness≤0.03mmol/L, SDI values ＜ 5；
BWRO devices, control the salt content of the first concentrated water of BWRO device outputs in 10g/L；
SWRO devices, control the salt content of the second concentrated water of SWRO device outputs in 30g/L；
MRV evaporators, at 105 DEG C, the salt content of concentrate is in 200g/L in control hair crystallisation chamber for vaporization chamber temperature setting
Shi Jinhang discharge opeings, obtain concentrate；
VDC drying machines；Drying temperature is arranged on 75 DEG C.
The water quality of water to being collected in reuse water tank is monitored, as a result for：Salt content 92mg/L, COD0.5mg/L, ammonia
Nitrogen content 0.3mg/L, total phosphorus content≤0.05mg/L meets reuse requirement.
Embodiment 4
Zero-discharge treatment process for industrial wastewater
The processing system provided using embodiment 1 carries out zero discharge treatment to industrial wastewater
Day output：240t/d；Import salt content：3500mg/L, import COD：500mg/L, import ammonia nitrogen：45mg/L,
Import total phosphorus：12mg/L.
In processing system running, the pH value of the 2nd pH regulating tank water outlets is 7~8；
Anaerobic pond, the first Aerobic Pond and total hrt 12 hours, BOD5 sludge in the second Aerobic Pond processing procedure
Load 0.3, anaerobic pond dissolved oxygen 0.18mg/L, Aerobic Pond dissolved oxygen 4mg/L, TN load 0.05 (aerobic section), TP loads 0.06
(anaerobism section), sludge concentration 4000mg/L, sludge age 18 days, reflux ratio 200%.The water quality index of Aerobic Process for Treatment water outlet, COD≤
80mg/L, ammonia-nitrogen content 7.8mg/L, total phosphorus content≤0.3mg/L
MBR reactors hydraulic detention time 10 hours, sludge concentration 5500mg/L, sludge age 25 days, dissolved oxygen 5mg/L；
MBR reactor effluent qualities are monitored, control water outlet COD45mg/L；
Active carbon filter carbon filtration Cheng Caiyong pressure filters, activated carbon used are cocoanut active charcoal, activated carbon grain
1~2mm of footpath, 8 ms/h of filtration flow-rate, filtration pressure difference control are in 0.5kg/cm2.Waste water is by after carbon filter, obtaining carbon and leaching
Water.Carbon leaches the water quality index of water, SDI (Silting Density Index, pollution index) value≤5, COD≤20mg/L；
Resin tower softens bed, resin and uses gel-type macroreticular resin D001x7, filtration flow-rate using co-current regeneration cation
12 ms/h, filtration pressure difference control in 0.7kg/cm2.；Resin tower effluent quality is monitored, control water outlet COD≤
10mg/L, hardness≤0.03mmol/L, SDI values ＜ 5；
BWRO devices, control the salt content of the first concentrated water of BWRO device outputs in 12g/L；
SWRO devices, control the salt content of the second concentrated water of SWRO device outputs in 35g/L；
MRV evaporators, at 90 DEG C, the salt content of concentrate is in 200g/L in control hair crystallisation chamber for vaporization chamber temperature setting
Discharge opeing is carried out, concentrate is obtained；
VDC drying machines；Drying temperature is arranged on 78 DEG C.
The water quality of water to being collected in reuse water tank is monitored, as a result for：Salt content 85mg/L, COD0.7mg/L, ammonia
Nitrogen content 0.3mg/L, total phosphorus content≤0.07mg/L meets reuse requirement.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of zero-discharge treatment process for industrial wastewater, comprises the following steps：
A), industrial wastewater carries out pH regulations, Anaerobic Treatment, Aerobic Process for Treatment and Membrane Bioreactor for Wastewater Treatment successively, is pre-processed
Waste water；
B), the pretreated waste water carries out carbon filter and resin adsorption successively, obtains softening waste water；
C), the softening waste water is processed by brackish water desalination reverse-osmosis membrane element, obtains the first fresh water and the first concentrated water；
First fresh water is reclaimed；
D), first concentrated water is processed by seawater desalination reverse osmosis membrane component, obtains the second fresh water and the second concentrated water；Institute
The second fresh water is stated to be reclaimed；
E), second concentrated water is evaporated concentration, obtains steam and concentrate；The steam is condensed, and condensed water is carried out
Reclaim；The concentrate is dehydrated, and obtains solid slag.
2. handling process according to claim 1, it is characterised in that the pH value that the industrial wastewater carries out after pH regulations is
6.5~8.
3. handling process according to claim 1, it is characterised in that the COD≤50mg/L of the pretreated waste water.
4. handling process according to claim 1, it is characterised in that the COD≤10mg/L of the softening waste water, hardness≤
0.03mmol/L, SDI value≤5.
5. handling process according to claim 1, it is characterised in that the salt content of first concentrated water is 10~20g/L.
6. handling process according to claim 1, it is characterised in that the salt content of second concentrated water is 20~100g/
L。
7. handling process according to claim 1, it is characterised in that the temperature of the evaporation and concentration is 80~120 DEG C.
8. handling process according to claim 1, it is characterised in that the mode of the dehydration is low-temperature evaporation, described low
The temperature of temperature evaporation is 50~80 DEG C.
9. the handling process according to any one of claim 1~8, it is characterised in that the COD of the industrial wastewater >=
300mg/L, salt content >=1000mg/L, ammonia-nitrogen content >=20mg/L, total phosphorus content >=10mg/L.
10. a kind of zero discharge of industrial waste water processing system, including：
Waste water storage tank；
The pH regulating tanks being connected with the waste water storage tank delivery port；
The anaerobic pond being connected with the pH regulating tanks delivery port；
The Aerobic Pond being connected with the anaerobic pond delivery port；
The membrane bioreactor being connected with the Aerobic Pond delivery port；
The active carbon filter being connected with the delivery port of the membrane bioreactor；
The resin tower being connected with the active carbon filter delivery port；
The brackish water desalination reverse osmosis membrane apparatus being connected with the resin tower delivery port；
The seawater desalination reverse osmosis film device being connected with the concentrated water outlet of the brackish water desalination reverse osmosis membrane apparatus；
The evaporation concentration device being connected with the concentrated water outlet of the seawater desalination reverse osmosis film device；
The dehydration device being connected with the concentrated solution outlet of the evaporation concentration device；
The condenser being connected with the steam (vapor) outlet of the evaporation concentration device；
Water outlet, the water outlet of seawater desalination reverse osmosis film device with the brackish water desalination reverse osmosis membrane apparatus and cold
The connected reuse water tank of the condensation-water drain of condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200720.8A CN106746116A (en) | 2016-12-22 | 2016-12-22 | A kind of zero-discharge treatment process for industrial wastewater and processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200720.8A CN106746116A (en) | 2016-12-22 | 2016-12-22 | A kind of zero-discharge treatment process for industrial wastewater and processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106746116A true CN106746116A (en) | 2017-05-31 |
Family
ID=58899742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611200720.8A Pending CN106746116A (en) | 2016-12-22 | 2016-12-22 | A kind of zero-discharge treatment process for industrial wastewater and processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106746116A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200435A (en) * | 2017-06-14 | 2017-09-26 | 广东益诺欧环保股份有限公司 | A kind of nickel-containing waste water processing method, processing system and application |
| CN107200436A (en) * | 2017-06-14 | 2017-09-26 | 广东益诺欧环保股份有限公司 | One kind complexing electroplating effluent treatment method, processing system and application |
| CN107226581A (en) * | 2017-06-14 | 2017-10-03 | 广东益诺欧环保股份有限公司 | A kind of zinc-containing water processing method, processing system and application |
| CN107235601A (en) * | 2017-06-14 | 2017-10-10 | 广东益诺欧环保股份有限公司 | A kind of integrated electroplating treatment method for waste water, processing system and application |
| CN107235600A (en) * | 2017-06-14 | 2017-10-10 | 广东益诺欧环保股份有限公司 | A kind of electroplating effluent treatment method, processing system and application |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1590322A (en) * | 2003-09-05 | 2005-03-09 | 国家海洋局杭州水处理技术研究开发中心 | Membrane separation method of zero discharge of electroplating waste water treatment |
| CN101481157A (en) * | 2008-01-17 | 2009-07-15 | 刘寅 | Process for advanced treatment of electroplating waste by integrated membrane |
| CN102249445A (en) * | 2011-04-26 | 2011-11-23 | 中国矿业大学(北京) | Coal bed gas produced water disposal system |
| CN102807296A (en) * | 2012-08-30 | 2012-12-05 | 北京鑫佰利科技发展有限公司 | Process for deeply treating and recycling high-salinity industrial waste water |
| CN202643473U (en) * | 2012-05-13 | 2013-01-02 | 钟祥凯龙楚兴化工有限责任公司 | Efficient effluent treatment device for ammonium nitrate production line |
| CN104276711A (en) * | 2014-10-29 | 2015-01-14 | 上海水合环境工程有限公司 | Reverse osmosis membrane treatment process for recycling industrial sewage and realizing zero release |
| CN104445788A (en) * | 2014-12-24 | 2015-03-25 | 新疆德蓝股份有限公司 | Zero-emission integrated process for treatment and reuse of high-salinity wastewater |
| CN104803548A (en) * | 2015-04-01 | 2015-07-29 | 浙江碧源环保科技有限公司 | Treating and recycling zero-emission technology and equipment for coking phenol-cyanogen wastewater |
| CN205133204U (en) * | 2015-11-24 | 2016-04-06 | 北京高能时代环境技术股份有限公司 | Border on sea device of water of one -level three -section reverse osmosis treatment |
| CN105540967A (en) * | 2015-12-09 | 2016-05-04 | 大唐国际化工技术研究院有限公司 | Processing method for reducing and recycling organic waste water and processing system |
| CN105645439A (en) * | 2016-01-30 | 2016-06-08 | 内蒙古久科康瑞环保科技有限公司 | System for preparing potassium sulfate from high-salt-content industrial wastewater and technology of system |
| CN105906149A (en) * | 2016-06-02 | 2016-08-31 | 内蒙古君正氯碱化工技术研究院 | Chlor-alkali plant strong brine zero-discharge treatment system and treatment method |
-
2016
- 2016-12-22 CN CN201611200720.8A patent/CN106746116A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1590322A (en) * | 2003-09-05 | 2005-03-09 | 国家海洋局杭州水处理技术研究开发中心 | Membrane separation method of zero discharge of electroplating waste water treatment |
| CN101481157A (en) * | 2008-01-17 | 2009-07-15 | 刘寅 | Process for advanced treatment of electroplating waste by integrated membrane |
| CN102249445A (en) * | 2011-04-26 | 2011-11-23 | 中国矿业大学(北京) | Coal bed gas produced water disposal system |
| CN202643473U (en) * | 2012-05-13 | 2013-01-02 | 钟祥凯龙楚兴化工有限责任公司 | Efficient effluent treatment device for ammonium nitrate production line |
| CN102807296A (en) * | 2012-08-30 | 2012-12-05 | 北京鑫佰利科技发展有限公司 | Process for deeply treating and recycling high-salinity industrial waste water |
| CN104276711A (en) * | 2014-10-29 | 2015-01-14 | 上海水合环境工程有限公司 | Reverse osmosis membrane treatment process for recycling industrial sewage and realizing zero release |
| CN104445788A (en) * | 2014-12-24 | 2015-03-25 | 新疆德蓝股份有限公司 | Zero-emission integrated process for treatment and reuse of high-salinity wastewater |
| CN104803548A (en) * | 2015-04-01 | 2015-07-29 | 浙江碧源环保科技有限公司 | Treating and recycling zero-emission technology and equipment for coking phenol-cyanogen wastewater |
| CN205133204U (en) * | 2015-11-24 | 2016-04-06 | 北京高能时代环境技术股份有限公司 | Border on sea device of water of one -level three -section reverse osmosis treatment |
| CN105540967A (en) * | 2015-12-09 | 2016-05-04 | 大唐国际化工技术研究院有限公司 | Processing method for reducing and recycling organic waste water and processing system |
| CN105645439A (en) * | 2016-01-30 | 2016-06-08 | 内蒙古久科康瑞环保科技有限公司 | System for preparing potassium sulfate from high-salt-content industrial wastewater and technology of system |
| CN105906149A (en) * | 2016-06-02 | 2016-08-31 | 内蒙古君正氯碱化工技术研究院 | Chlor-alkali plant strong brine zero-discharge treatment system and treatment method |
Non-Patent Citations (1)
| Title |
|---|
| 刘一: "《食品加工机械》", 30 June 2006, 北京：中国农业出版社 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200435A (en) * | 2017-06-14 | 2017-09-26 | 广东益诺欧环保股份有限公司 | A kind of nickel-containing waste water processing method, processing system and application |
| CN107200436A (en) * | 2017-06-14 | 2017-09-26 | 广东益诺欧环保股份有限公司 | One kind complexing electroplating effluent treatment method, processing system and application |
| CN107226581A (en) * | 2017-06-14 | 2017-10-03 | 广东益诺欧环保股份有限公司 | A kind of zinc-containing water processing method, processing system and application |
| CN107235601A (en) * | 2017-06-14 | 2017-10-10 | 广东益诺欧环保股份有限公司 | A kind of integrated electroplating treatment method for waste water, processing system and application |
| CN107235600A (en) * | 2017-06-14 | 2017-10-10 | 广东益诺欧环保股份有限公司 | A kind of electroplating effluent treatment method, processing system and application |
| CN107226581B (en) * | 2017-06-14 | 2020-08-28 | 广东益诺欧环保股份有限公司 | Zinc-containing wastewater treatment method, treatment system and application |
| CN107200435B (en) * | 2017-06-14 | 2020-12-15 | 广东益诺欧环保股份有限公司 | Nickel-containing wastewater treatment method, treatment system and application |
| CN107200436B (en) * | 2017-06-14 | 2020-12-15 | 广东益诺欧环保股份有限公司 | Complex electroplating wastewater treatment method, treatment system and application |
| CN107235600B (en) * | 2017-06-14 | 2021-05-18 | 广东益诺欧环保股份有限公司 | Electroplating wastewater treatment method, treatment system and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106746116A (en) | A kind of zero-discharge treatment process for industrial wastewater and processing system | |
| CN105540967B (en) | A kind of organic wastewater minimizing, recycling processing method and processing system | |
| US20120315209A1 (en) | Methods and systems for treating water streams | |
| Reeves | Nitrogen removal: a literature review | |
| AU2010293661B2 (en) | Fresh water production method and fresh water production device | |
| CN108033637A (en) | A kind of processing method of landfill leachate | |
| CN205500801U (en) | System for utilize high salt industrial waste water of containing preparation potassium sulphide | |
| CN110697958B (en) | High-efficiency salt separating membrane concentration process | |
| CN109354292A (en) | A kind of minimizing treatment process of landfill leachate film-filter concentration liquid | |
| CN105060607A (en) | Landfill leachate treatment method | |
| MX2012010665A (en) | Method for producing fresh water. | |
| CN106630275A (en) | Zero-discharge treatment process for pickling passivation wastewater | |
| CN106517669B (en) | The positive osmosis treatment system of black smelly water A/O and treatment process | |
| CN110217932A (en) | A kind of processing unit and processing method of landfill leachate discharge | |
| Abdel-Shafy et al. | Membrane bioreactor for the treatment of municipal blackwater in Egypt | |
| CN109437475A (en) | Treatment method for high-salinity wastewater and high-salt wastewater processing system | |
| Zhao et al. | Integrated coagulation-trickling filter–ultrafiltration processes for domestic wastewater treatment and reclamation | |
| CN206447720U (en) | Dyeing waste water zero discharge treatment device | |
| CN107572732B (en) | Sewage treatment system for hazardous waste treatment plant | |
| CN205856226U (en) | A kind of desulfurization wastewater film processing system | |
| CN105565581A (en) | Method for comprehensive treatment on sewage produced through preparation of ethene from coal | |
| Channabasappa | Membrane technology for water reuse application | |
| Jose et al. | Organic-Inorganic Hybrid Membranes for Agricultural Wastewater Treatment | |
| Karaalp et al. | A novel solution for biogas applications in poultry industry: CLAMBS approach | |
| CN102815807A (en) | Treatment process for coal gas reuse water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 101500 Canbo Road, Miyun Industrial Development Zone, Beijing Applicant after: Gaopin meiteli environment science and Technology (Beijing) Co., Ltd. Address before: 100097 office building, B District, Jin Yuan times business center, 1 far road, Beijing, Haidian District 807 Applicant before: Gaopin meiteli environment science and Technology (Beijing) Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |