CN105439389A - Zero emission treatment system for landfill leachate - Google Patents
Zero emission treatment system for landfill leachate Download PDFInfo
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- CN105439389A CN105439389A CN201511020744.0A CN201511020744A CN105439389A CN 105439389 A CN105439389 A CN 105439389A CN 201511020744 A CN201511020744 A CN 201511020744A CN 105439389 A CN105439389 A CN 105439389A
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- 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
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- 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
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- 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
- C02F1/445—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by forward osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- 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
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- 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
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention discloses a zero emission treatment system for landfill leachate. The system comprises a grating water collecting tank, wherein a water outlet of the grating water collecting tank is connected to a water inlet of an adjusting tank through a pipeline and a water pump; a water outlet of the adjusting tank is connected to a water inlet of the hydrolysis acidification tank through a pipeline and a water pump; a water outlet of the hydrolysis acidification tank is connected to a water inlet of an A2/O reactor through a pipeline and a water pump, and a water outlet of the A2/O reactor is connected with a water inlet of an ultrafiltration apparatus through a pipeline and a water pump; a water outlet of the ultrafiltration apparatus is connected to a water inlet of forward osmosis equipment through a pipeline and a water pump; a water outlet of the forward osmosis equipment is connected to a water inlet of a reverse osmosis equipment through a pipeline; a water outlet of the reverse osmosis equipment is connected to a water inlet of a disinfection pool through a pipeline. The system is simple in structure, is environmentally friendly and saves energy, zero emission of the landfill leachate is realized, and the cost is reduced.
Description
Technical field
The present invention relates to field of waste water treatment, particularly a kind of percolate zero-discharge treatment system.
Background technology
Percolate has the features such as pollution concentration is high, complicated component, change extremely unstable, and its principal feature is as follows:
1, variation water quality is large, and leachate quality changes greatly in time, and leachate quality is change, and daily variation factor is generally up to 200% and 300%, and the water quality of aged landfill yard is time dependent larger.Leachate quality is also very large at different landfill time period difference.Usual initial landfill stage percolate is black, good biodegradability, is easy to process; And along with the prolongation of landfill time, percolate is gradually in brown, biodegradability is deteriorated, and ammonia nitrogen concentration obviously increases, more and more difficult.Therefore any one refuse landfill, the selection of its garbage leachate treatment process not only will meet water quality characteristic and the processing requirements of recent percolate, also will take into account and adapt to the leachate quality feature after running life change.
2, biodegradability (biodegradability) with landfill age increase and reduce gradually; Containing a large amount of organic pollutants in percolate, along with the time lengthening of landfill, voltaile fatty acid reduces gradually, and the proportion of two fulvinic acid class materials increases.The change of this organic constituents, means the decline of B/C, i.e. the reduction of the biodegradability of percolate.BOD5 in percolate generally progressively increases between 6 months to about 2 years years and peaks after garbage loading embeading, and the BOD5 in this stage is main mainly with dissolved organic matter.
3, nutritive element proportional imbalance: the ammonia nitrogen concentration in percolate is high, and phosphoric lacks.
The water quality of percolate is quite complicated, general containing high-enriched organics, heavy metallic salt, SS and ammonia nitrogen, percolate is contaminated soil and earth surface water source not only, also can pollute underground water, generally Biochemical method is adopted for percolate, but treatment effect is not very desirable, and running cost is relatively high.
Summary of the invention
The object of this invention is to provide a kind of percolate zero-discharge treatment system, its structure is simple, achieves percolate zero release, energy-conserving and environment-protective, reduces costs.
To achieve these goals, a kind of percolate zero-discharge treatment system provided by the invention, comprises grid water collecting basin, and the water outlet of grid water collecting basin is connected to the water inlet of equalizing tank by pipeline and water pump; The water outlet of equalizing tank is connected to the water inlet of hydrolysis acidification pool by pipeline and water pump; The water outlet of hydrolysis acidification pool is connected to the water inlet of A2/O reactor by pipeline and water pump, the water outlet of A2/O reactor is connected the water inlet of ultrafiltration apparatus with water pump by pipeline; The water outlet of ultrafiltration apparatus is connected to the water inlet of positive penetration equipment by pipeline and water pump; The water outlet of positive penetration equipment is connected to the water inlet of reverse osmosis equipment by pipeline; The water outlet of reverse osmosis equipment is connected to the water inlet of disinfection pool by pipeline.
Preferably, be provided with sludge discharging port in A2/O reactor, sludge discharging port is connected to sludge thickener by pipeline, the row's of being provided with supernatant liquor mouth and row's thickened sludge mouth in sludge thickener, row's supernatant liquor mouth is connected to equalizing tank water inlet by pipeline, and row's thickened sludge mouth is connected to device for dehydrating sladge waste.
Preferably, described A2/O reactor comprises the anaerobic reactor, anoxic pond and the Aerobic Pond that connect successively, the row's of being provided with biogas mouth in anaerobic reactor, and row's biogas mouth is connected to methane pretreatment apparatus, and the venting port of methane pretreatment apparatus is connected to biogas storage cabinet.
Preferably, anaerobic reactor is upflow anaerobic sludge blanket reactor.
Preferably, the row's of being provided with concentrated solution mouth in positive penetration equipment, row's concentrated solution mouth is connected to evaporated crystallization device.
Preferably, described evaporated crystallization device comprises evaporating and crystallizing tower, evaporating and crystallizing tower lower sides is provided with interface of the level gauge and thermometer boss, is respectively used to install liquidometer and thermometer.
Preferably, driving liquid return-flow system is also connected with between described reverse osmosis equipment and positive penetration equipment.
Preferably, the water outlet of hydrolysis acidification pool is connected with nutrition dosing chamber water inlet, and is connected to the water inlet of A2/O reactor by nutrition dosing chamber, pipeline and water pump.
Preferably, boring aeration pipe is provided with in described equalizing tank.
Preferably, described evaporating and crystallizing tower inside is 316L stainless steel.
Present invention also offers the method using this system to carry out zero discharge treatment, comprise the steps:
Percolate pumps into grid water collecting basin after collecting, and removes large granular impurity;
Percolate after process is pumped to equalizing tank, obtains homogeneous and all measure in equalizing tank, adopts boring aeration pipe to stir, prevent sludge settling in equalizing tank;
Equalizing tank establishes one-level lift pump to be processed to hydrolysis acidification pool by sewage lifting;
The rear sewage of process enters A2/O reactor through charging pump lifting and carries out organics removal and denitrogenation processing, wherein control reaction conditions for water inlet C:N:P=(350-500): 5:1, temperature in anaerobic reactor controls at 30-35 DEG C, and pH value controls at 7-7.2; In anaerobic treatment process, oxygen concn is 0.1-0.13mg/L, and in Aerobic, oxygen concn is 0.15-0.18mg/L;
Sewage is admitted to positive penetration equipment and reverse osmosis equipment processes subsequently, the concentrated solution that positive osmotic treated produces delivers to evaporated crystallization device through row's concentrated solution mouth, crystallization and evaporation tower working pressure 0.035MPa, service temperature tower top is 103 DEG C, at the bottom of tower be 110 DEG C, tower body material inside adopts Stainless steel 316 L, and filler adopts BX500 filler; Crystallization and evaporation tower steams the crystallisate moisture control after process below 10%; .
The water reaching reuse standard through reverse osmosis membrane device processes enters sterilization pool sterilization, then recycles;
Entered reverse osmosis equipment by the positive osmotic drive liquid after diluting in described positive penetration equipment, then after concentration, get back in positive permeator and continue to use.
The mud that A2/O reactor produces is admitted to sludge thickener, the isolated supernatant liquor of sludge thickener is sent back in equalizing tank and processes, isolated mud is sent into device for dehydrating sladge waste and is carried out processed, moisture content of the cake after processed is less than 50%, then delivers to outside or landfill.
A kind of percolate zero-discharge treatment system provided by the invention, has following beneficial effect
1, hydrolysis acidification pool, the anaerobic reactor of the present invention's employing, all belong to anaerobic technique.Effectively reduce the energy consumption of native system.
2, the present invention adopts positive osmosis process, effectively reduces energy consumption as advanced treatment unit.
3, through actual tests, stable effluent quality of the present invention, the greening in various index all reaches " municipal effluent recycling urban reclaimed water water quality " GB/T18920-2002, road are watered to spill to water with Reuse on Environment and road after the standards such as water and are spilt.
4, waste water processes of the present invention is simple, easy to operate, has greatly cut down sludge quantity, and has reduced the operation cost of sewage disposal.
5, in system 99% reusing sewage, achieve the zero release of percolate.Salt is recoverable also.
6, produce the flushing that water can be used for dumper, afforest and rinse to road, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of percolate zero-discharge treatment system provided by the present invention;
Fig. 2 is the structural representation of evaporator tower.
In figure:
1. positive penetration equipment 9. reverse osmosis equipment 10. disinfection pool 11. of grid water collecting basin 2. equalizing tank 3. hydrolysis acidification pool 4. anaerobic reactor 5. anoxic pond 6. Aerobic Pond 7. ultrafiltration apparatus 8. drives liquid return-flow system 12. sludge thickener 13. device for dehydrating sladge waste 14. methane pretreatment apparatus 15. biogas to store up cabinet 16. evaporated crystallization device 17. evaporating and crystallizing tower 18. interface of the level gauge 19. thermometer boss 20. process gas to export 21. phlegma refluxing opening 22. opening for feeds 23. liquid import 24. liquid that boils again that boils again and export 25. heating steam mouth 26. vinasses outlets
Embodiment
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1-2, a kind of percolate zero-discharge treatment system provided by the invention, comprises grid water collecting basin 1, establishes fine fack to define described grid water collecting basin 1 at water collecting basin feed-water end, remove large granular impurity, prevent occluding device and affect wastewater treatment efficiency.
The water outlet of grid water collecting basin 1 is connected to the water inlet of equalizing tank 2 by pipeline and water pump; Percolate pumps into equalizing tank, obtains homogeneous and all measure in equalizing tank.Adopt boring aeration pipe (not marking in figure) to stir in pond, prevent sludge settling.
The water outlet of equalizing tank 2 is connected to the water inlet of hydrolysis acidification pool 3 by pipeline and water pump; Macromole open loop chain rupture in sewage can be become small molecules by pre-acidified pond 3, improves the biodegradability of sewage, to utilize microorganism to utilize, and can reduce sludge yield.
The water outlet of hydrolysis acidification pool 3 is connected to the water inlet of A2/O reactor by pipeline and water pump, A2/O technique is also known as A-A-O technique, it is the abbreviation (anaerobic-anoxic-oxic) of English Anaerobic-Anoxic-Oxic first letter, A2/O reactor is equipment well known in the art, comprises the anaerobic reactor 4, anoxic pond 5 and the Aerobic Pond 6 that connect successively.As further improvement, hydrolysis acidification pool 3 goes out first to connect nutrition dosing chamber (not marking in figure), the adjustment of nutraceutical dosing, water temperature and PH can be carried out in nutrition dosing chamber, after reaching the final condition that anaerobe requires, promote through charging pump and enter anaerobic reactor 4.Sewage, after anaerobic reactor 4 removes most of organism, enters A/O pond (i.e. anoxic pond 5 and Aerobic Pond 6).A/O pond fully realizes the function of organics removal and denitrogenation.Wherein anaerobic reactor 4 can adopt upflow anaerobic sludge blanket reactor (UASB).During work, the working conditions of anaerobic reactor 4 can be: anaerobic reactor 4 intakes C:N:P=(350-500): 5:1, and the temperature in anaerobic reactor 4 controls at 30-35 DEG C, and pH value controls at 7-7.2.
The water outlet (i.e. Aerobic Pond 6 water outlet) of A2/O reactor is connected the water inlet of ultrafiltration apparatus 7 with water pump by pipeline; Ultrafiltration apparatus 7 such as can MBR film treatment facility.The water outlet of ultrafiltration apparatus 7 is connected to the water inlet of positive penetration equipment 8 by pipeline and water pump; The water outlet of positive penetration equipment 8 is connected to the water inlet of reverse osmosis equipment 9 by pipeline; The water outlet of reverse osmosis equipment 9 is connected to the water inlet of disinfection pool 10 by pipeline, finally obtain clean water body.Also being connected with between reverse osmosis equipment 9 and positive penetration equipment 8 and driving liquid return-flow system 11, realizing the recycle to driving liquid.
As the improvement of first aspect, sludge discharging port is provided with in anaerobic reactor 4 and Aerobic Pond 6, sludge discharging port is connected to sludge thickener 12 by pipeline, the row's of being provided with supernatant liquor mouth and row's thickened sludge mouth in sludge condensation 12 pond, row's supernatant liquor mouth is connected to equalizing tank 2 water inlet by pipeline, and row's thickened sludge mouth is connected to device for dehydrating sladge waste 13.Moisture content of the cake after thickening process is less than 50%, then delivers to outward transport or landfill.Sludge thickener 12 supernatant liquor is back to equalizing tank and carries out circular treatment.At row supernatant liquor mouth place, can filtering net be set, to filter out large mud granule, alleviates the pressure purified again.
As improvement on the one hand again, the row of being provided with biogas mouth in anaerobic reactor 4, row's biogas mouth is connected to methane pretreatment apparatus 14, and the venting port of methane pretreatment apparatus 14 is connected to biogas and stores up cabinet 15.Produce biogas in anaerobic reactor 4, biogas has good economic worth, is recycled after gas-liquid separation and desulfurization, and unnecessary biogas incendivity emits.
The row's of being provided with concentrated solution mouth in positive penetration equipment 8, row's concentrated solution mouth is connected to evaporated crystallization device 16.Positive osmosis concentration liquid is through evaporated crystallization device process, and the solid after crystallization carries out safe disposal (collection landfill), and the condensation water collection reuse of evaporation is again connected to positive penetration equipment and processes, more economizes on resources, and safety and environmental protection.Please also refer to Fig. 2, described evaporated crystallization device 16 comprises evaporating and crystallizing tower 17, evaporating and crystallizing tower 17 lower sides is provided with interface of the level gauge 18 and thermometer boss 19, is respectively used to install liquidometer and thermometer.Installation liquidometer and thermometer can carry out Real-Time Monitoring to the liquid level in evaporating and crystallizing tower 17 and temperature, facilitate staff to adjust job scheduling according to actual treatment situation.Evaporating and crystallizing tower 17 inside can adopt 316L stainless steel, reliably solid, not easily corrosion occurs.Inner-tower filling material adopts BX500 filler, structured packing decoration form.During work, the working parameter of evaporating and crystallizing tower 17 can be set to: working pressure 0.035MPa, at the bottom of service temperature tower top 103 DEG C, tower 110 DEG C.In addition, evaporating and crystallizing tower 17 is also disposed with process gas outlet 20, phlegma refluxing opening 21, opening for feed 22 from top to bottom, boils liquid import 23, and tower bottom is provided with liquid outlet 24 of boiling again, heating steam mouth 25 and vinasse outlet 26.
Above a kind of percolate zero-discharge treatment system provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands core concept of the present invention for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a percolate zero-discharge treatment system, is characterized in that, comprises grid water collecting basin, and the water outlet of grid water collecting basin is connected to the water inlet of equalizing tank by pipeline and water pump; The water outlet of equalizing tank is connected to the water inlet of hydrolysis acidification pool by pipeline and water pump; The water outlet of hydrolysis acidification pool is connected to the water inlet of A2/O reactor by pipeline and water pump, the water outlet of A2/O reactor is connected the water inlet of ultrafiltration apparatus with water pump by pipeline; The water outlet of ultrafiltration apparatus is connected to the water inlet of positive penetration equipment by pipeline and water pump; The water outlet of positive penetration equipment is connected to the water inlet of reverse osmosis equipment by pipeline; The water outlet of reverse osmosis equipment is connected to the water inlet of disinfection pool by pipeline.
2. percolate zero-discharge treatment system according to claim 1, it is characterized in that, sludge discharging port is provided with in A2/O reactor, sludge discharging port is connected to sludge thickener by pipeline, the row's of being provided with supernatant liquor mouth and row's thickened sludge mouth in sludge thickener, row's supernatant liquor mouth is connected to equalizing tank water inlet by pipeline, and row's thickened sludge mouth is connected to device for dehydrating sladge waste.
3. percolate zero-discharge treatment system according to claim 1, it is characterized in that, described A2/O reactor comprises the anaerobic reactor, anoxic pond and the Aerobic Pond that connect successively, the row's of being provided with biogas mouth in anaerobic reactor, row's biogas mouth is connected to methane pretreatment apparatus, and the venting port of methane pretreatment apparatus is connected to biogas storage cabinet.
4. percolate zero-discharge treatment system according to claim 3, is characterized in that, anaerobic reactor is upflow anaerobic sludge blanket reactor.
5. percolate zero-discharge treatment system according to claim 1, is characterized in that, the row's of being provided with concentrated solution mouth in positive penetration equipment, and row's concentrated solution mouth is connected to evaporated crystallization device; Also be connected with between described reverse osmosis equipment and positive penetration equipment and drive liquid return-flow system.
6. percolate zero-discharge treatment system according to claim 5, it is characterized in that, described evaporated crystallization device comprises evaporating and crystallizing tower, evaporating and crystallizing tower lower sides is provided with interface of the level gauge and thermometer boss, is respectively used to install liquidometer and thermometer; Described evaporating and crystallizing tower inside is 316L stainless steel.
7. percolate zero-discharge treatment system according to claim 1, is characterized in that, the water outlet of hydrolysis acidification pool is connected with nutrition dosing chamber water inlet, and is connected to the water inlet of A2/O reactor by nutrition dosing chamber, pipeline and water pump.
8. percolate zero-discharge treatment system according to claim 1, is characterized in that, is provided with boring aeration pipe in described equalizing tank.
9. the method utilizing the percolate zero-discharge treatment system described in claim 6 to process percolate, is characterized in that, comprise the steps:
Percolate pumps into grid water collecting basin after collecting, and removes large granular impurity;
Percolate after process is pumped to equalizing tank, obtains homogeneous and all measure in equalizing tank, adopts boring aeration pipe to stir, prevent sludge settling in equalizing tank;
Equalizing tank establishes one-level lift pump to be processed to hydrolysis acidification pool by sewage lifting;
The rear sewage of process enters A2/O reactor through charging pump lifting and carries out organics removal and denitrogenation processing, wherein control reaction conditions for water inlet C:N:P=(350-500): 5:1, temperature in anaerobic reactor controls at 30-35 DEG C, and pH value controls at 7-7.2; In anaerobic treatment process, oxygen concn is 0.1-0.13mg/L, and in Aerobic, oxygen concn is 0.15-0.18mg/L;
Sewage is admitted to positive penetration equipment and reverse osmosis equipment processes subsequently, the concentrated solution that positive osmotic treated produces delivers to evaporated crystallization device through row's concentrated solution mouth, crystallization and evaporation tower working pressure 0.035MPa, service temperature tower top is 103 DEG C, at the bottom of tower be 110 DEG C, tower body material inside adopts Stainless steel 316 L, and filler adopts BX500 filler; Crystallization and evaporation tower steams the crystallisate moisture control after process below 10%; .
The water reaching reuse standard through reverse osmosis membrane device processes enters sterilization pool sterilization, then recycles;
Entered reverse osmosis equipment by the positive osmotic drive liquid after diluting in described positive penetration equipment, then after concentration, get back in positive permeator and continue to use.
10. method according to claim 9, it is characterized in that, the mud that A2/O reactor produces is admitted to sludge thickener, the isolated supernatant liquor of sludge thickener is sent back in equalizing tank and processes, isolated mud is sent into device for dehydrating sladge waste and is carried out processed, moisture content of the cake after processed is less than 50%, then delivers to outside or landfill.
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Cited By (10)
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| CN106882905A (en) * | 2017-03-21 | 2017-06-23 | 东华大学 | A kind of garbage leachate wastewater advanced treatment system |
| CN107365022A (en) * | 2017-08-02 | 2017-11-21 | 光大环保技术研究院（南京）有限公司 | A kind of garbage percolation liquid treating system and processing method |
| CN108046505A (en) * | 2018-01-05 | 2018-05-18 | 浙江仁欣环科院有限责任公司 | Advanced treating method of landfill leachate |
| CN108658395A (en) * | 2018-06-27 | 2018-10-16 | 贵州楚天环保有限公司 | A kind of pharmacy sewage processing system and technique |
| CN109231721A (en) * | 2018-11-16 | 2019-01-18 | 北京天地人环保科技有限公司 | A kind of processing method for incineration plant landfill leachate |
| CN110028210A (en) * | 2019-05-30 | 2019-07-19 | 安徽欣创节能环保科技股份有限公司 | A kind of technique suitable for UASB processing landfill leachate |
| CN110330165A (en) * | 2019-06-05 | 2019-10-15 | 中国石油天然气集团有限公司 | Strong brine zero-emission and sub-prime crystallizing treatment process and processing system |
| CN111392971A (en) * | 2020-04-02 | 2020-07-10 | 河南绿地宇宏环保科技有限公司 | High-salinity sewage treatment method |
| CN111592098A (en) * | 2020-05-27 | 2020-08-28 | 山东膜源水净化科技股份有限公司 | MBR membrane biological reaction device |
| CN113480088A (en) * | 2021-06-17 | 2021-10-08 | 中国恩菲工程技术有限公司 | Leachate treatment system |
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| CN110330165A (en) * | 2019-06-05 | 2019-10-15 | 中国石油天然气集团有限公司 | Strong brine zero-emission and sub-prime crystallizing treatment process and processing system |
| CN111392971A (en) * | 2020-04-02 | 2020-07-10 | 河南绿地宇宏环保科技有限公司 | High-salinity sewage treatment method |
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| CN113480088A (en) * | 2021-06-17 | 2021-10-08 | 中国恩菲工程技术有限公司 | Leachate treatment system |
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