CN109574372A - A kind of processing method of consumer waste infiltration liquid - Google Patents

A kind of processing method of consumer waste infiltration liquid Download PDF

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Publication number
CN109574372A
CN109574372A CN201710909862.XA CN201710909862A CN109574372A CN 109574372 A CN109574372 A CN 109574372A CN 201710909862 A CN201710909862 A CN 201710909862A CN 109574372 A CN109574372 A CN 109574372A
Authority
CN
China
Prior art keywords
processing
uasb
consumer waste
infiltration liquid
water outlet
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
Application number
CN201710909862.XA
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Chinese (zh)
Inventor
朱恩灿
邢斌
杨丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI ZHONGHAILONG HIGH-TECH RESEARCH INSTITUTE
Original Assignee
SHANGHAI ZHONGHAILONG HIGH-TECH RESEARCH INSTITUTE
Priority date (The priority date 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 date listed.)
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Priority to CN201710909862.XA priority Critical patent/CN109574372A/en
Publication of CN109574372A publication Critical patent/CN109574372A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/06Contaminated groundwater or leachate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/2846Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors

Abstract

The invention discloses a kind of processing methods of consumer waste infiltration liquid, including (1) grid: intercepting from reservoir by mechanical grille, the suspended matter in water is effectively reduced, lighten the load for subsequent handling processing.(2) coagulating sedimentation: grid water outlet is promoted to coagulative precipitation tank with elevator pump, by dosing coagulating sedimentation, removes removing heavy metals, SS and partial organic substances pollutant.(3) UASB: coagulative precipitation tank water outlet pump obtains after being promoted to UASB processing.(4) MBR technique: enter in MBR processor through UASB water outlet and be further processed to obtain first time permeate;(5) DTRO: film is concentrated by dish tubular type in first time permeate, is discharged.The processing method of consumer waste infiltration liquid of the invention has easy to operate, obvious processing effect, and saving power and preventing pollution dye is practical, can efficiently remove organic matter and heavy metal in landfill leachate, landfill leachate treatment is made to reach the target of " zero-emission ".

Description

A kind of processing method of consumer waste infiltration liquid
Technical field
The invention belongs to environmental technology fields, and in particular to a kind of processing method of consumer waste infiltration liquid.
Background technique
With the development of city process, there is a sharp increase in output for municipal refuse caused by population collection.Place both economical at present Reason method is sanitary landfills to be carried out to it, and problem maximum brought by filling is the generation of landfill leachate, and ingredient is multiple It is miscellaneous, organic concentration is high, water quality and quantity changes greatly.Although this effluent part amount is little, pollution level is quite high, can be tight Lead to water body, soil, atmosphere pollution again, threat is brought to human health.
Landfill leachate is different from municipal sewage, in general, the COD concentration of landfill leachate be sanitary sewage 10 ~ 100 times.And pollutant kind is complicated, water, the change of water quality of different times are larger, and percolate is the most important pollution of underground water Quite serious pollution is caused to environment by contacting with soil, ground or surface water in source.Current domestic and international landfill leachate Processing method mainly have biochemical process, physical-chemical process, recharge method etc..Although biochemical processing method operating cost is relatively It is low, but water outlet be difficult it is up to standard.Leachate recirculation is percolate processing method the most economic, but the percolate of this method processing cannot Direct emission.With the development of technology, membrane separation technique has been widely used in sanitary sewage, in municipal sewage treatment, mesh Before be also applicable in the processing of landfill leachate.Membrane separation technique can efficiently retain pollutant, and application is simple.By several The connected applications of kind processing method, can reliably handle landfill leachate, make up to discharge standard.
Summary of the invention
The purpose of the present invention is to provide a kind of easy to operate, economical and efficient, environmental protection rubbish without secondary pollution, practical The sewage water treatment method of rubbish percolate.
The processing method of consumer waste infiltration liquid of the invention, including following processing step:
(1) grid: intercepting by mechanical grille from reservoir, the suspended matter in water be effectively reduced, and subtracts for subsequent handling processing Light load;
(2) coagulating sedimentation: grid water outlet is promoted to coagulative precipitation tank with elevator pump, by dosing coagulating sedimentation, a removal huge sum of money Category, SS and partial organic substances pollutant;
(3) UASB: coagulative precipitation tank water outlet pump obtains after being promoted to UASB processing;
(4) MBR technique: enter in MBR processor through UASB water outlet, by the reaction of microorganism fungus kind and the retention of film, into one Step handles to obtain first time permeate;
(5) DTRO: first time permeate is entered into disc tube reverse osmosis (dt-ro) film column, obtains clear water and concentrate.Clear water can be direct For discharging or carrying out equipment backwash, concentrate reflux reenters coagulative precipitation tank and carries out circular treatment.
The processing method of consumer waste infiltration liquid of the invention, the COD of percolate are 2000 mg/L-80000 mg/L, pH Between 4 ~ 9.
Flocculant selected by the present invention is ferric trichloride, aluminium polychloride, polyacrylamide.
It is 200mg/L or less the present invention claims UASB influent quality SS concentration.
The processing method of consumer waste infiltration liquid of the invention first removes a large amount of SS, highly concentrated contained in landfill leachate Heavy metal, ammonia nitrogen, COD of degree etc..Then by biochemistry by 80% or more ammonia nitrogen removal in pollutant, finally pass through the infiltration of film Thoroughly, pollutant heavy metal removing rate is made to reach 95% or more, concentrate is back in UASB that the reaction was continued, is finally reached rubbish infiltration The target of filtrate " zero-emission ".
Specific embodiment
The interception that 100 tons of landfill leachates are first passed through to grid puts into flocculant into coagulative precipitation tank, and reaction 1 is small When, supernatant and sludge are obtained, by supernatant pumping into UASB reactor, sludge reflux to collecting pit.It is heavy by coagulation It forms sediment and further removes SS, 50% or more total phosphorus and partial organic substances.It can make sewage by 24 hours UASB reactor reactions COD reduces by 50%, is extracted into MBR reactor by the water of anaerobic jar output by water pump, added in MBR reactor ammonia nitrogen degradation bacterium, COD degradation bacterium nitrified, anti-nitration reaction, makes ammonia nitrogen degradation 80 ~ 90% by the reaction of biological inoculum, and COD degradation 80 ~ 90%, total phosphorus degradation 90%.MBR water outlet enters disc tube reverse osmosis (dt-ro) filter apparatus, obtains clear water and concentrate, concentrate is led to Piping is back in coagulative precipitation tank.By process above process, sewage is made to be finally reached discharge standard.

Claims (4)

1. a kind of processing method of consumer waste infiltration liquid, which is characterized in that including following processing step:
(1) grid: intercepting by mechanical grille from reservoir, the suspended matter in water be effectively reduced, and subtracts for subsequent handling processing Light load;
(2) coagulating sedimentation: grid water outlet is promoted to coagulative precipitation tank with elevator pump, by dosing coagulating sedimentation, a removal huge sum of money Category, SS and partial organic substances pollutant;
(3) UASB: coagulative precipitation tank water outlet pump obtains after being promoted to UASB processing;
(4) MBR technique: enter in MBR processor through UASB water outlet and be further processed to obtain first time permeate;
(5) it DTRO: by first time permeate by disc tube reverse osmosis (dt-ro) film, is discharged.
2. the processing method of consumer waste infiltration liquid as described in claim 1, which is characterized in that the landfill leachate CODCr is 2000mg/L ~ 80000mg/L, and pH is between 4 ~ 9.
3. the processing method of consumer waste infiltration liquid as described in claim 1, which is characterized in that flocculation described in step (2) Agent is ferric trichloride, aluminium polychloride, polyacrylamide.
4. the processing method of consumer waste infiltration liquid as described in claim 1, which is characterized in that UASB described in step (3) It is 200mg/L or less that water inlet requirement, which need to reach SS concentration,.
CN201710909862.XA 2017-09-29 2017-09-29 A kind of processing method of consumer waste infiltration liquid Pending CN109574372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710909862.XA CN109574372A (en) 2017-09-29 2017-09-29 A kind of processing method of consumer waste infiltration liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710909862.XA CN109574372A (en) 2017-09-29 2017-09-29 A kind of processing method of consumer waste infiltration liquid

Publications (1)

Publication Number Publication Date
CN109574372A true CN109574372A (en) 2019-04-05

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CN201710909862.XA Pending CN109574372A (en) 2017-09-29 2017-09-29 A kind of processing method of consumer waste infiltration liquid

Country Status (1)

Country Link
CN (1) CN109574372A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110228972A (en) * 2019-06-13 2019-09-13 湖南鑫恒环境科技有限公司 A kind of leachate processing method containing heavy metal waste
CN112479485A (en) * 2020-11-06 2021-03-12 潮州深能环保有限公司 Heavy metal treatment method for landfill leachate

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101357812A (en) * 2007-07-31 2009-02-04 深圳百斯特环保工程有限公司 Processing method for domestic garbage leachate
CN101428938A (en) * 2008-12-04 2009-05-13 杨青淼 Treatment process for garbage leachate
CN101723538A (en) * 2008-10-24 2010-06-09 曾华 Process for treating landfill leachate
CN101870543A (en) * 2010-07-14 2010-10-27 柳州森淼环保技术开发有限公司 Landfill percolate treatment novel process
CN101948215A (en) * 2010-08-31 2011-01-19 宇星科技发展(深圳)有限公司 Garbage leachate treatment process
CN104986921A (en) * 2015-07-07 2015-10-21 武汉天源环保股份有限公司 Combined technological method for landfill leachate treatment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101357812A (en) * 2007-07-31 2009-02-04 深圳百斯特环保工程有限公司 Processing method for domestic garbage leachate
CN101723538A (en) * 2008-10-24 2010-06-09 曾华 Process for treating landfill leachate
CN101428938A (en) * 2008-12-04 2009-05-13 杨青淼 Treatment process for garbage leachate
CN101870543A (en) * 2010-07-14 2010-10-27 柳州森淼环保技术开发有限公司 Landfill percolate treatment novel process
CN101948215A (en) * 2010-08-31 2011-01-19 宇星科技发展(深圳)有限公司 Garbage leachate treatment process
CN104986921A (en) * 2015-07-07 2015-10-21 武汉天源环保股份有限公司 Combined technological method for landfill leachate treatment

Non-Patent Citations (2)

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Title
康海笑 等: "UASB-MBR联合工艺处理亚麻沤制废水的实验研究", 《水资源保护》 *
袁江 等: "UASB和MBR组合工艺处理生活垃圾焚烧发电厂渗滤液", 《工业安全与环保》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110228972A (en) * 2019-06-13 2019-09-13 湖南鑫恒环境科技有限公司 A kind of leachate processing method containing heavy metal waste
CN112479485A (en) * 2020-11-06 2021-03-12 潮州深能环保有限公司 Heavy metal treatment method for landfill leachate

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