CN111943427A - High salt wastewater treatment system that contains - Google Patents
High salt wastewater treatment system that contains Download PDFInfo
- Publication number
- CN111943427A CN111943427A CN202010660862.2A CN202010660862A CN111943427A CN 111943427 A CN111943427 A CN 111943427A CN 202010660862 A CN202010660862 A CN 202010660862A CN 111943427 A CN111943427 A CN 111943427A
- Authority
- CN
- China
- Prior art keywords
- tank
- percent
- treatment system
- wastewater treatment
- salt
- 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
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 42
- 150000003839 salts Chemical class 0.000 title claims description 35
- 239000002351 wastewater Substances 0.000 claims abstract description 60
- 239000012528 membrane Substances 0.000 claims abstract description 36
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 230000020477 pH reduction Effects 0.000 claims abstract description 28
- 238000012856 packing Methods 0.000 claims abstract description 27
- 238000005273 aeration Methods 0.000 claims abstract description 26
- 238000001704 evaporation Methods 0.000 claims abstract description 20
- 230000008020 evaporation Effects 0.000 claims abstract description 20
- 230000007062 hydrolysis Effects 0.000 claims abstract description 20
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 20
- 239000010802 sludge Substances 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 25
- 230000007797 corrosion Effects 0.000 claims description 13
- 238000005260 corrosion Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000003112 inhibitor Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 235000015097 nutrients Nutrition 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 10
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003456 ion exchange resin Substances 0.000 claims description 8
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 8
- 239000005696 Diammonium phosphate Substances 0.000 claims description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 6
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 6
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 6
- 239000008103 glucose Substances 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 239000008399 tap water Substances 0.000 claims description 6
- 235000020679 tap water Nutrition 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 4
- 238000005276 aerator Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 11
- 230000015556 catabolic process Effects 0.000 description 10
- 238000006731 degradation reaction Methods 0.000 description 10
- 244000005700 microbiome Species 0.000 description 10
- 230000003301 hydrolyzing effect Effects 0.000 description 8
- 229920002521 macromolecule Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000005416 organic matter Substances 0.000 description 8
- 238000004062 sedimentation Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005842 biochemical reaction Methods 0.000 description 3
- 238000006065 biodegradation reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- -1 Cl- Chemical class 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 208000028804 PERCHING syndrome Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/20—Activated sludge processes using diffusers
- C02F3/201—Perforated, resilient plastic diffusers, e.g. membranes, sheets, foils, tubes, hoses
-
- 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
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a high-salt-content wastewater treatment system which comprises a triple-effect evaporation unit, a buffer tank, a hydrolysis acidification tank, an anaerobic tank, an aerobic tank and an MBR (membrane bioreactor) membrane unit, wherein the triple-effect evaporation unit, the buffer tank, the hydrolysis acidification tank, the anaerobic tank, the aerobic tank and the MBR membrane unit are sequentially communicated through pipelines, the MBR unit comprises an MBR membrane component, a perforating aeration device is arranged inside the MBR unit, the perforating aeration device is arranged below the MBR membrane component, and a packing layer is arranged in. The high-salt-content wastewater treatment system has no special requirements on the components of the high-salt-content wastewater, can realize continuous treatment on most of high-viscosity, high-pollution and high-salt-content wastewater, occupies a small area, basically generates no secondary pollutants after treatment, has technical feasibility, greatly reduces the separation cost, quickly develops the recycling technology of the high-salt-content wastewater, and has practical significance from the aspect of economy and environmental protection.
Description
Technical Field
The invention relates to the field of wastewater treatment equipment, in particular to a high-salt-content wastewater treatment system.
Background
High COD, high salt content waste water is one of the waste water which is extremely difficult to treat in industrial waste water, and refers to waste water containing organic matter and at least Total Dissolved Solids (TDS) with the mass fraction of more than 3.5%. The high-salt-content wastewater has the characteristics of high salt content, complex salt content, easy scaling and corrosion phenomena, high organic matter concentration, difficult degradation and the like. Contains a large amount of organic pollutants, inorganic salts such as Cl-，SO4 2-，Na+，Ca2+And (3) plasma. The high-salt-content wastewater mainly comes from the industries such as coal chemical industry, medicine and pesticide, and has the characteristics of large discharge amount, wide source, high salt content, complex components and large difference of physicochemical properties of the high-salt-content wastewater generated in different industries.
Common high-salt-content wastewater treatment processes include electrolysis, ion exchange, biological treatment, membrane separation and the like. The high-salt-content wastewater has higher conductivity, the electrolysis method can effectively reduce COD in the wastewater but has high operation cost, the power consumption and the electrode metal consumption are higher when a large amount of wastewater is treated, and the separated precipitate is not easy to treat and utilize. The key point of the ion exchange method is that the ion exchange resin can be used as a pretreatment process to remove various metal ions, but solid suspended substances in the wastewater can block the resin, so that the ion exchange resin loses the effect. The biological treatment is mainly to improve the biological treatment effect of the high-salt wastewater by using halophilic bacteria. High-concentration salt substances have an inhibiting effect on microorganisms, and the treatment effect is not up to the standard. When the membrane separation method is used for treatment, most of soluble substances cannot be intercepted, the membrane is easily blocked and corroded by substances in the wastewater with high salt content, frequent cleaning or replacement is needed, the treatment cost is increased, the investment is high, the operation cost is high, the membrane pollution problem is prominent, the expected purification effect is difficult to achieve, and the requirement of large-scale application cannot be met.
In the traditional biological sewage treatment technology, mud-water separation is completed in a secondary sedimentation tank under the action of gravity, the separation efficiency depends on the sedimentation performance of activated sludge, the sedimentation performance is better, and the mud-water separation efficiency is higher. The sedimentation performance of the sludge depends on the operation condition of the aeration tank, the operation condition of the aeration tank must be strictly controlled for improving the sedimentation performance of the sludge, the application range of the device is limited, the sludge in the aeration tank can not maintain higher concentration, generally about 1.5-3.5g/l, due to the requirement of solid-liquid separation of a secondary sedimentation tank, the biochemical reaction rate is limited, the hydraulic retention time and the sludge age are mutually dependent, and the contradiction is formed between the increase of the volume load and the reduction of the sludge load. The system also generates a large amount of excess sludge in the operation process, and the disposal cost of the excess sludge accounts for 25 to 40 percent of the operation cost of the sewage treatment plant. The traditional activated sludge treatment system is also easy to have the sludge expansion phenomenon, the effluent contains suspended solids, and the effluent quality is deteriorated.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a high-salt-content wastewater treatment system.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a high salt wastewater treatment system, the system is including the triple effect evaporation unit, buffer pool, hydrolysis acidification pond, anaerobism pond, good oxygen pond and the MBR membrane unit of pipeline intercommunication in proper order, the MBR unit includes the MBR membrane module, the inside perforation aeration equipment that is provided with of MBR unit, the setting of perforation aeration equipment is in MBR membrane module below, be provided with the packing layer in the hydrolysis acidification pond.
The perforation aeration device is arranged below the MBR membrane component and used for cleaning the surface of the MBR membrane component to form internal circulating flow, the sludge mixed liquid scours the surface of the MBR membrane at a high speed under the action of blast aeration to promote the particles on the surface of the membrane to fall off, the perforation aeration device is also used for supplying aerobic biological oxygen, clear effluent is obtained through the treatment of the MBR unit, and biological flocs, suspended matters, pathogens, macromolecular soluble organic matters and the like are effectively intercepted by the MBR unit. The MBR unit is organically combined with the traditional biological wastewater treatment technology, so that the construction of a secondary sedimentation tank is omitted, the solid-liquid separation efficiency is greatly improved, the perforation aeration device is arranged in the MBR unit, the high microbial biomass in the MBR unit is maintained through the high-efficiency interception of the MBR membrane component, the concentration of active sludge and the appearance of special-effect bacteria (particularly advantageous flora) in sludge are increased through combining the aeration device, the biochemical reaction rate is improved, the sludge discharge is reduced, the membrane component of the MBR unit enables the macromolecular difficultly-degraded components in the sewage to have enough stay time in a system for treating the high-salt-content wastewater through the triple-effect evaporation separation, and the degradation efficiency of the difficultly-degraded organic matters is improved. The high-salt-content wastewater treatment system is combined with the hydrolysis acidification tank and the aerobic tank, a large amount of sludge and facultative microorganisms are adsorbed and intercepted through the packing layer in the hydrolysis acidification tank, the packing layer provides stable environment for the microorganisms to inhabit and propagate, the growth, the propagation and the falling of the microorganisms are influenced, the packing layer is a place where a biomembrane is contacted with wastewater, and can have a forced turbulent action on water flow, so that the wastewater can be redistributed, and under the biodegradation action, solid, macromolecules and organic matters which are not easy to biodegrade in the wastewater are degraded into micromolecule organic matters which are easy to biodegrade, so that the wastewater is treated in a subsequent treatment unit with less energy consumption and shorter retention time. Before the hydrolytic acidification tank is used for an aerobic tank treatment process, non-soluble organic matters in wastewater are mainly converted into soluble organic matters, macromolecular substances which are difficult to degrade are converted into small molecular substances which are easy to degrade, the biodegradability of the wastewater is improved, the subsequent aerobic treatment is facilitated, and the wastewater can carry out denitrification reaction on nitrate nitrogen in nitrified liquid which flows back in the hydrolytic acidification tank under the anoxic condition by utilizing the action of denitrifying bacteria to achieve the biological denitrification effect. The high-salt-content wastewater treatment system has no special requirements on the components contained in the high-salt-content wastewater, can realize continuous treatment on most of high-viscosity, high-pollution and high-salt-content wastewater, occupies a small area, basically produces no secondary pollutants after treatment, has technical feasibility, greatly reduces the separation cost, and rapidly develops the recycling technology of the high-salt-content wastewater.
Preferably, the perforated aeration device is a tubular microporous aerator.
Preferably, the triple-effect evaporation unit comprises a first-effect heater, a first-effect evaporator, a second-effect heater, a second-effect evaporator, a triple-effect heater, a triple-effect evaporator, a heat exchanger and a condenser which are sequentially communicated, a heat medium inlet of the heat exchanger is communicated with a steam outlet pipeline of the triple-effect evaporator, a heat medium outlet of the heat exchanger is communicated with the condenser, and a refrigerant outlet of the heat exchanger is communicated with a steam inlet pipeline of the first-effect evaporator.
The heat exchanger is arranged in the high-salt-content wastewater treatment system, steam generated by the evaporation of the three-effect evaporator is input into the one-effect evaporator after heat exchange of the heat exchanger, so that heat can be saved, the condensation load is reduced, and the problem of overheating of the one-effect evaporator is avoided.
Preferably, the packing layer in the hydrolysis acidification tank is a first high-efficiency biological packing layer, and the first high-efficiency biological packing layer comprises the following components in percentage by weight: 50-60% of main materials, 10-20% of corrosion inhibitor and 20-40% of nutrient components, wherein the main materials comprise the following components in percentage by weight: 50-70% of diatomite and 30-50% of activated carbon, wherein the corrosion inhibitor comprises the following components in percentage by weight: 20 to 30 percent of bentonite and 70 to 80 percent of ion exchange resin, wherein the nutrient components comprise 70 to 80 percent of starch, 10 to 20 percent of glucose, 5 to 10 percent of urea and 2 to 5 percent of diammonium phosphate.
According to the high-salt-content wastewater treatment system, the high-efficiency biological packing layer is arranged in the hydrolysis acidification tank, suspended organic solids and macromolecular substances which are difficult to biodegrade in the sewage are hydrolyzed into soluble organic substances and micromolecular substances which are easy to biodegrade, and therefore the biodegradability of the wastewater is improved.
Preferably, the system further comprises a regulating reservoir which is communicated with the triple effect evaporation unit pipeline through a lift pump.
The waste water salt concentration can change along with the production fluctuation period and the change of impact factors, and the waste water treatment system with high salt content is provided with the regulating reservoir to reduce the impact caused by the reduction of the low salt content water volume or the increase of the over-high salt content water volume, so that the water quality and the water volume are regulated and balanced, and the influence of the waste water salt concentration change on the operation efficiency and the service life of the system is avoided.
Preferably, be provided with the conductance detector, waste water inlet pipeline and running water inlet pipeline in the equalizing basin, waste water inlet pipeline is provided with first electric valve, running water inlet pipeline is provided with the second electric valve, the system still includes the control unit, the control unit with conductance detector, first electric valve and second electric valve electricity are connected, the control unit according to the signal regulation of conductance detector feedback first electric valve and second electric valve.
The high-salt-content wastewater treatment system detects the salt concentration of wastewater through the conductivity detector, and controls the water quality entering the triple-effect evaporation unit by adjusting the proportion of the wastewater and tap water according to the salt concentration of the wastewater.
Preferably, the system further comprises a sludge tank and a solid-liquid separation device, wherein the sludge tank is communicated with the MBR unit, a feed inlet of the solid-liquid separation device is communicated with the sludge tank, and a liquid outlet of the solid-liquid separation device is communicated with the buffer tank through a return pipeline flowing to the buffer tank.
The high-salt-content wastewater treatment system conveys sludge discharged by the MBR unit to a sludge tank, then the sludge and the water are carefully separated by the solid-liquid separation device, mud cakes are conveyed to a curing workshop for treatment, and filtrate flows back to the intermediate water tank for further treatment.
Preferably, the solid-liquid separation device is a stacked spiral sludge dewatering machine.
Preferably, a water distribution pipe is arranged in the hydrolysis acidification tank, the water distribution pipe is arranged below the packing layer, and the water distribution pipe is communicated with the buffer tank through a pipeline.
The hydrolytic acidification tank is lifted from the water distribution pipe at the bottom to the top through the packing layer to realize the functions of hydrolytic acidification, removal of suspended matters and the like.
Preferably, a second high-efficiency biological filler layer is arranged in the aerobic tank, and the second high-efficiency biological filler layer comprises the following components in percentage by weight: 50-60% of main materials, 10-20% of corrosion inhibitor and 20-40% of nutrient components, wherein the main materials comprise the following components in percentage by weight: 50-70% of diatomite and 30-50% of activated carbon, wherein the corrosion inhibitor comprises the following components in percentage by weight: 20 to 30 percent of bentonite and 70 to 80 percent of ion exchange resin, wherein the nutrient components comprise 70 to 80 percent of starch, 10 to 20 percent of glucose, 5 to 10 percent of urea and 2 to 5 percent of diammonium phosphate.
The second high-efficiency biological packing layer in the aerobic tank is beneficial to the attachment growth of the biological membrane, organic matters in water are adsorbed and oxidized and decomposed by microorganisms on the biological membrane, and meanwhile, the degradation of the organic matters and the nitration reaction of the aerobic microorganisms can be effectively carried out to remove ammonia nitrogen by utilizing the biological nitrification and the organic matter degradation of the aerobic microorganisms.
The invention has the beneficial effects that: the high-salt-content wastewater treatment system provided by the invention has no special requirements on components in high-salt-content wastewater, can realize continuous treatment on most of high-viscosity, high-pollution and high-salt-content wastewater, occupies a small area, basically generates no secondary pollutants after treatment, has technical feasibility, greatly reduces the separation cost, and also enables the recycling technology of the high-salt-content wastewater to be rapidly developed.
Drawings
FIG. 1 is a schematic structural diagram of a high salinity wastewater treatment system according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a triple-effect evaporation unit of the high-salinity wastewater treatment system according to the embodiment of the invention.
FIG. 3 is a schematic structural diagram of an MBR unit of a high salinity wastewater treatment system, according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a hydrolysis acidification tank of the high-salinity wastewater treatment system according to the embodiment of the invention.
The system comprises a three-effect evaporation unit 1, a three-effect evaporation unit 101, a first-effect heater 102, a first-effect evaporator 103, a second-effect heater 104, a second-effect evaporator 105, a three-effect heater 106, a third-effect evaporator 107, a heat exchanger 108, a condenser 109, a heat medium inlet of the heat exchanger 1010, a heat exchange refrigerant outlet 1011, a heat medium outlet of the heat exchanger 1012, a steam outlet of the third-effect evaporator 1013, a steam inlet of the first-effect evaporator 2, a buffer tank 3, a hydrolysis acidification tank 4, an anaerobic tank 5, an aerobic tank 6, an MBR membrane unit 601, an MBR membrane module 602, a perforation aeration device 7, a sludge tank 8, a solid-liquid separation device 9, a return pipeline 10 and a regulating tank.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the system for treating wastewater with high salt content according to an embodiment of the present invention includes a triple-effect evaporation unit 1, a buffer tank 2, a hydrolysis acidification tank 3, an anaerobic tank 4, an aerobic tank 5 and an MBR membrane unit 6, which are sequentially connected by a pipeline, wherein the MBR unit 6 includes an MBR membrane module 601, a perforated aeration device 602 is disposed inside the MBR unit 6, the perforated aeration device 602 is disposed below the MBR membrane module 601, and a packing layer 601 is disposed in the hydrolysis acidification tank 3.
The high salt wastewater treatment system of this embodiment is through setting up the perforation aeration equipment in MBR membrane module below, the perforation aeration equipment is used for the surface cleaning of MBR membrane module, form inside circulation flow, under the blast aeration effect, the surface of MBR membrane is washd to mud mixed liquid high speed, make the granule on membrane surface drop, the perforation aeration equipment still is used for supplying the aerobic biological oxygen demand, the processing through the MBR unit obtains clear play water, biological floc, the suspended solid, pathogen and macromolecule dissolubility organic matter etc. are effectively held back by the MBR unit. The high salt wastewater treatment system of this embodiment combines MBR unit and traditional waste water biological treatment technique, the construction of secondary sedimentation pond has not only been saved, and improve solid-liquid separation efficiency greatly, and because set up the perforation aeration equipment in the MBR unit, the higher microbial biomass in maintaining MBR unit is held back to high efficiency through the MBR membrane module, increased the appearance of special effect fungus (especially dominant flora) in active sludge concentration and the mud through combining aeration equipment, biochemical reaction rate has been improved, the mud emission has been reduced, and the membrane module of MBR unit makes the difficult degradation composition of macromolecule in the sewage have sufficient dwell time at the system of high salt wastewater of triple effect evaporation separation processing, the degradation efficiency of difficult degradation organic matter has been improved. The high salt wastewater treatment system of this embodiment combines hydrolysis-acidification pool and good oxygen pond, in hydrolysis-acidification pool, hold back mud and facultative microbe through the absorption of a large amount of packing layers, the packing layers provides the stable environment of perching and breeding for the microbe, influence the growth of microbe, breed and drop, the packing layers is the place that biomembrane and waste water contacted, and can have mandatory turbulent motion to rivers, make waste water can redistribute, under the biodegradation, the solid in the waste water, macromolecule and the organic matter degradation of difficult biodegradable are the micromolecule organic matter of easy biodegradation, make waste water obtain under less energy consumption and shorter dwell time at subsequent processing unit and handle. Before the hydrolytic acidification tank is used for an aerobic tank treatment process, non-soluble organic matters in wastewater are mainly converted into soluble organic matters, macromolecular substances which are difficult to degrade are converted into small molecular substances which are easy to degrade, the biodegradability of the wastewater is improved, the subsequent aerobic treatment is facilitated, and the wastewater can carry out denitrification reaction on nitrate nitrogen in nitrified liquid which flows back in the hydrolytic acidification tank under the anoxic condition by utilizing the action of denitrifying bacteria to achieve the biological denitrification effect. The high salt wastewater treatment system of this embodiment, to the high salt wastewater contains the composition does not have special requirement, can realize the continuous processing to most of high viscosity, high pollution, the high salt wastewater that contains, area is less, and no secondary pollutant produces basically after handling, has technical feasibility, greatly reduced separation cost, also made the high salt wastewater's of containing recycle technique obtain rapid development, considered from economic environmental protection, the aforesaid high salt wastewater treatment system that contains has very realistic meaning.
Further, the perforated aeration apparatus 602 is a tubular microporous aerator.
Further, the triple-effect evaporation unit 1 comprises a first-effect heater 101, a first-effect evaporator 102, a second-effect heater 103, a second-effect evaporator 104, a triple-effect heater 105, a triple-effect evaporator 106, a heat exchanger 107 and a condenser 108 which are sequentially communicated, wherein a heat medium inlet 109 of the heat exchanger 107 is communicated with a steam outlet 1012 of the triple-effect evaporator 106 through a pipeline, a heat medium outlet 1011 of the heat exchanger 107 is communicated with the condenser 108, and a refrigerant outlet 1010 of the heat exchanger 107 is communicated with a steam inlet 1013 of the first-effect evaporator 102 through a pipeline. The high-salt-content wastewater treatment system is provided with the heat exchanger, steam generated by the evaporation of the three-effect evaporator is input into the one-effect evaporator after heat exchange of the heat exchanger, so that heat can be saved, the condensation load is reduced, and the problem of overheating of the one-effect evaporator is avoided.
Further, a packing layer in the hydrolysis acidification tank is a first high-efficiency biological packing layer, and the first high-efficiency biological packing layer comprises the following components in percentage by weight: 50-60% of main materials, 10-20% of corrosion inhibitor and 20-40% of nutrient components, wherein the main materials comprise the following components in percentage by weight: 50-70% of diatomite and 30-50% of activated carbon, wherein the corrosion inhibitor comprises the following components in percentage by weight: 20 to 30 percent of bentonite and 70 to 80 percent of ion exchange resin, wherein the nutrient components comprise 70 to 80 percent of starch, 10 to 20 percent of glucose, 5 to 10 percent of urea and 2 to 5 percent of diammonium phosphate. The high-salt-content wastewater treatment system hydrolyzes suspended organic solids and macromolecular substances which are difficult to biodegrade in sewage into soluble organic substances and micromolecular substances which are easy to biodegrade by arranging the high-efficiency biological filler layer in the hydrolysis acidification tank, thereby improving the biodegradability of the wastewater.
Further, the system also comprises a regulating reservoir 10, and the regulating reservoir 10 is communicated with the pipeline of the triple-effect evaporation unit 2 through a lifting pump. The waste water salt concentration can change along with the production fluctuation period and the change of impact factors, and the waste water treatment system with high salt content is provided with the regulating reservoir to reduce the impact caused by the reduction of the low salt content water volume or the increase of the over-high salt content water volume, so that the water quality and the water volume are regulated and balanced, and the influence of the waste water salt concentration change on the operation efficiency and the service life of the system is avoided.
Furthermore, a conductivity detector, a wastewater inlet pipeline and a tap water inlet pipeline are arranged in the regulating reservoir, a first electric valve is arranged on the wastewater inlet pipeline, a second electric valve is arranged on the tap water inlet pipeline, the system further comprises a control unit, the control unit is electrically connected with the conductivity detector, the first electric valve and the second electric valve, and the control unit adjusts the first electric valve and the second electric valve according to a signal fed back by the conductivity detector. The high-salt-content wastewater treatment system detects the salt concentration of wastewater through the conductivity detector, and controls the water quality entering the triple-effect evaporation unit by adjusting the proportion of the wastewater and tap water according to the salt concentration of the wastewater.
Further, the system also comprises a sludge tank 7 and a solid-liquid separation device 8, wherein the sludge tank 7 is communicated with the MBR unit 6, a feed inlet of the solid-liquid separation device 8 is communicated with the sludge tank 7, and a liquid outlet of the solid-liquid separation device 8 is communicated with the buffer tank 2 through a return pipeline 9 flowing to the buffer tank 2. The high-salinity wastewater treatment system conveys sludge discharged by the MBR unit to a sludge tank, the sludge and water are carefully separated by a solid-liquid separation device, a sludge cake is conveyed to a curing workshop for treatment, and filtrate flows back to an intermediate water tank for further treatment.
Further, the solid-liquid separation device 8 is a spiral sludge dewatering machine.
Further, a water distribution pipe 302 is arranged in the hydrolysis acidification tank 3, the water distribution pipe 302 is arranged below the packing layer 301, and the water distribution pipe 302 is communicated with the buffer tank 2 through a pipeline. The hydrolytic acidification tank is lifted from the water distribution pipe at the bottom to the top through the packing layer to realize the functions of hydrolytic acidification, removal of suspended matters and the like.
Further, a second high-efficiency biological filler layer is arranged in the aerobic tank, and comprises the following components in percentage by weight: 50-60% of main materials, 10-20% of corrosion inhibitor and 20-40% of nutrient components, wherein the main materials comprise the following components in percentage by weight: 50-70% of diatomite and 30-50% of activated carbon, wherein the corrosion inhibitor comprises the following components in percentage by weight: 20 to 30 percent of bentonite and 70 to 80 percent of ion exchange resin, wherein the nutrient components comprise 70 to 80 percent of starch, 10 to 20 percent of glucose, 5 to 10 percent of urea and 2 to 5 percent of diammonium phosphate. The second high-efficiency biological packing layer in the aerobic tank is beneficial to the attachment growth of the biological membrane, organic matters in water are adsorbed and oxidized and decomposed by microorganisms on the biological membrane, and meanwhile, the degradation of the organic matters and the nitration reaction of the aerobic microorganisms can be effectively carried out to remove ammonia nitrogen by utilizing the biological nitrification and the organic matter degradation of the aerobic microorganisms.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a high salt wastewater treatment system, its characterized in that, the system is including the triple effect evaporation unit, buffer pool, hydrolysis acidification tank, anaerobism pond, good oxygen pond and the MBR membrane unit of pipeline intercommunication in proper order, the MBR unit includes the MBR membrane module, the inside perforation aeration equipment that is provided with of MBR unit, the setting of perforation aeration equipment is in MBR membrane module below, be provided with the packing layer in the hydrolysis acidification tank.
2. The high salinity wastewater treatment system of claim 1, wherein, the perforated aeration device is a tubular microporous aerator.
3. The high-salt-content wastewater treatment system according to claim 1, wherein the triple-effect evaporation unit comprises a first-effect heater, a first-effect evaporator, a second-effect heater, a second-effect evaporator, a triple-effect heater, a triple-effect evaporator, a heat exchanger and a condenser which are sequentially communicated, a heat medium inlet of the heat exchanger is communicated with a steam outlet pipeline of the triple-effect evaporator, a heat medium outlet of the heat exchanger is communicated with the condenser, and a refrigerant outlet of the heat exchanger is communicated with a steam inlet pipeline of the first-effect evaporator.
4. The high-salinity wastewater treatment system according to claim 1, wherein the packing layer in the hydrolysis acidification tank is a first efficient biological packing layer, and the first efficient biological packing layer comprises the following components in percentage by weight: 50-60% of main materials, 10-20% of corrosion inhibitor and 20-40% of nutrient components, wherein the main materials comprise the following components in percentage by weight: 50-70% of diatomite and 30-50% of activated carbon, wherein the corrosion inhibitor comprises the following components in percentage by weight: 20 to 30 percent of bentonite and 70 to 80 percent of ion exchange resin, wherein the nutrient components comprise 70 to 80 percent of starch, 10 to 20 percent of glucose, 5 to 10 percent of urea and 2 to 5 percent of diammonium phosphate.
5. The high salinity wastewater treatment system of claim 1, wherein the system further comprises a surge tank in communication with the triple effect evaporation unit pipeline through a lift pump.
6. The high-salinity wastewater treatment system according to claim 5, wherein a conductivity detector, a wastewater inlet pipeline and a tap water inlet pipeline are arranged in the regulating reservoir, a first electric valve is arranged on the wastewater inlet pipeline, a second electric valve is arranged on the tap water inlet pipeline, the system further comprises a control unit, the control unit is electrically connected with the conductivity detector, the first electric valve and the second electric valve, and the control unit regulates the first electric valve and the second electric valve according to a signal fed back by the conductivity detector.
7. The high salinity wastewater treatment system according to claim 1, wherein the system further comprises a sludge tank and a solid-liquid separation device, the sludge tank is communicated with the MBR unit, a feed inlet of the solid-liquid separation device is communicated with the sludge tank, and a liquid outlet of the solid-liquid separation device is communicated with the buffer tank through a return pipeline flowing to the buffer tank.
8. The high salinity wastewater treatment system of claim 7, wherein, the solid-liquid separation device is a stacked spiral sludge dewatering machine.
9. The high-salinity wastewater treatment system according to claim 1, wherein a water distribution pipe is arranged in the hydrolysis acidification tank, the water distribution pipe is arranged below the packing layer, and the water distribution pipe is communicated with the buffer tank through a pipeline.
10. The high-salinity wastewater treatment system according to claim 1, wherein a second efficient biological filler layer is arranged in the aerobic tank, and comprises the following components in percentage by weight: 50-60% of main materials, 10-20% of corrosion inhibitor and 20-40% of nutrient components, wherein the main materials comprise the following components in percentage by weight: 50-70% of diatomite and 30-50% of activated carbon, wherein the corrosion inhibitor comprises the following components in percentage by weight: 20 to 30 percent of bentonite and 70 to 80 percent of ion exchange resin, wherein the nutrient components comprise 70 to 80 percent of starch, 10 to 20 percent of glucose, 5 to 10 percent of urea and 2 to 5 percent of diammonium phosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660862.2A CN111943427A (en) | 2020-07-10 | 2020-07-10 | High salt wastewater treatment system that contains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660862.2A CN111943427A (en) | 2020-07-10 | 2020-07-10 | High salt wastewater treatment system that contains |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111943427A true CN111943427A (en) | 2020-11-17 |
Family
ID=73340426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010660862.2A Pending CN111943427A (en) | 2020-07-10 | 2020-07-10 | High salt wastewater treatment system that contains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111943427A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872745A (en) * | 2006-03-17 | 2006-12-06 | 深圳市百斯特环保工程有限公司 | Infiltration method for treating garbage |
| CN101585620A (en) * | 2009-06-26 | 2009-11-25 | 河北建新化工股份有限公司 | Method for comprehensively treating high salt content organic industrial wastewater |
| CN103466883A (en) * | 2013-09-12 | 2013-12-25 | 安徽省绿巨人环境技术有限公司 | Process for treating wastewater generated in biodiesel production process |
| CN103880239A (en) * | 2013-12-19 | 2014-06-25 | 江苏北辰环境科技有限公司 | Treatment process of high-concentration salt-containing wastewater |
| CN104628065A (en) * | 2015-03-17 | 2015-05-20 | 青海制药厂有限公司 | Chemical pharmaceutical wastewater treatment system and method |
| CN105016553A (en) * | 2015-06-05 | 2015-11-04 | 朱卫 | High-salinity wastewater treatment method |
| CN105906132A (en) * | 2016-06-28 | 2016-08-31 | 中铝广西国盛稀土开发有限公司 | Rare-earth saponification wastewater comprehensive treatment system |
| CN109422420A (en) * | 2017-08-23 | 2019-03-05 | 徐红星 | A kind for the treatment of method for high-salinity wastewater |
| CN109437482A (en) * | 2018-11-29 | 2019-03-08 | 天津市联合环保工程设计有限公司 | A kind of the efficient process system and its processing method of pharmaceutical industry production of raw medicine organic wastewater |
| CN110127946A (en) * | 2019-05-28 | 2019-08-16 | 中国空分工程有限公司 | A kind for the treatment of process of wastewater from chemical industry with high salt |
| CN209583892U (en) * | 2018-12-11 | 2019-11-05 | 安徽三江水务工程有限公司 | A kind for the treatment of of Perfume Wastewater processing system |
| CN209906563U (en) * | 2019-03-21 | 2020-01-07 | 中科海创环境科技（大连）有限公司 | Processing system for processing antioxidant wastewater |
| CN111115731A (en) * | 2019-12-31 | 2020-05-08 | 黄骅新智环保技术有限公司 | Wastewater pretreatment type triple-effect evaporation process |
-
2020
- 2020-07-10 CN CN202010660862.2A patent/CN111943427A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872745A (en) * | 2006-03-17 | 2006-12-06 | 深圳市百斯特环保工程有限公司 | Infiltration method for treating garbage |
| CN101585620A (en) * | 2009-06-26 | 2009-11-25 | 河北建新化工股份有限公司 | Method for comprehensively treating high salt content organic industrial wastewater |
| CN103466883A (en) * | 2013-09-12 | 2013-12-25 | 安徽省绿巨人环境技术有限公司 | Process for treating wastewater generated in biodiesel production process |
| CN103880239A (en) * | 2013-12-19 | 2014-06-25 | 江苏北辰环境科技有限公司 | Treatment process of high-concentration salt-containing wastewater |
| CN104628065A (en) * | 2015-03-17 | 2015-05-20 | 青海制药厂有限公司 | Chemical pharmaceutical wastewater treatment system and method |
| CN105016553A (en) * | 2015-06-05 | 2015-11-04 | 朱卫 | High-salinity wastewater treatment method |
| CN105906132A (en) * | 2016-06-28 | 2016-08-31 | 中铝广西国盛稀土开发有限公司 | Rare-earth saponification wastewater comprehensive treatment system |
| CN109422420A (en) * | 2017-08-23 | 2019-03-05 | 徐红星 | A kind for the treatment of method for high-salinity wastewater |
| CN109437482A (en) * | 2018-11-29 | 2019-03-08 | 天津市联合环保工程设计有限公司 | A kind of the efficient process system and its processing method of pharmaceutical industry production of raw medicine organic wastewater |
| CN209583892U (en) * | 2018-12-11 | 2019-11-05 | 安徽三江水务工程有限公司 | A kind for the treatment of of Perfume Wastewater processing system |
| CN209906563U (en) * | 2019-03-21 | 2020-01-07 | 中科海创环境科技（大连）有限公司 | Processing system for processing antioxidant wastewater |
| CN110127946A (en) * | 2019-05-28 | 2019-08-16 | 中国空分工程有限公司 | A kind for the treatment of process of wastewater from chemical industry with high salt |
| CN111115731A (en) * | 2019-12-31 | 2020-05-08 | 黄骅新智环保技术有限公司 | Wastewater pretreatment type triple-effect evaporation process |
Non-Patent Citations (4)
| Title |
|---|
| 全国勘察设计注册工程师环保专业管理委员会 中国环境保护产业协会编, 北京：中国环境出版社 * |
| 全国勘察设计注册工程师环保专业管理委员会 中国环境保护产业协会编: "《注册环保工程师专业考试复习教材（第四版） 水污染防治工程技术与实践（下册）》", 31 March 2017, 北京：中国环境出版社 * |
| 林跃梅: "《制浆造纸现代节水与污水资源化技术》", 31 May 2009, 中国轻工业出版社 * |
| 高红武: "《水污染治理技术-工学结合教材（第二版）》", 31 January 2015, 北京：中国环境出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101665636B1 (en) | Wastewater pretreatment method and sewage treatment method using the pretreatment method | |
| CN110803835B (en) | Recycling treatment method for quaternary ammonium salt wastewater | |
| CN103402926A (en) | Methods and systems for treating wastewater | |
| CN108996808B (en) | Biochemical combined treatment process and equipment for degradation-resistant concentrated water in steel industry | |
| CN103449661B (en) | Method for treating polyether wastewater | |
| CN101781056A (en) | Treatment method of waste papermaking water | |
| CN210736456U (en) | Treatment device for zero discharge of garbage leachate in garbage incineration power station | |
| CN111732276A (en) | Antibiotic wastewater treatment process | |
| Yang et al. | Contradictory effects of calcium on biological and membrane treatment of municipal solid waste leachate: a review and process optimization via biogas recirculation | |
| CN107151082B (en) | Zero-discharge treatment system and method for DMF (dimethyl formamide) -containing wastewater | |
| CN111003816B (en) | Biochemical tail water biological denitrification method for inhibiting non-filamentous bacterium expansion | |
| CN213327189U (en) | High salt wastewater treatment system that contains | |
| CN104944671B (en) | A kind of processing method of wastewater from molecular sieve catalyzer | |
| CN111943427A (en) | High salt wastewater treatment system that contains | |
| CN112624500B (en) | Kitchen waste sewage treatment system and method | |
| CN211445406U (en) | Landfill leachate treatment device | |
| CN212559892U (en) | Aluminum product waste water treatment system | |
| CN210505835U (en) | System for utilize denitrification treatment resin regeneration waste liquid | |
| CN1256287C (en) | Method of treating coal gas effluent and coking effluent using diatomite and active sludge | |
| CN206624743U (en) | Liquid crystal panel advanced waste treatment apparatus | |
| CN112188996A (en) | Combination of dissolved air flotation and fixed film bioreactor solutions | |
| CN110759601B (en) | Multipurpose carbon fiber production wastewater treatment system and method | |
| CN219098922U (en) | Treatment device for epoxy chloropropane production wastewater | |
| CN221254282U (en) | Industrial wastewater treatment system | |
| CN214004367U (en) | Pharmacy effluent disposal system of surplus mud zero release |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201117 |