CN110294573A - It is a kind of to utilize UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system - Google Patents
It is a kind of to utilize UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system Download PDFInfo
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- CN110294573A CN110294573A CN201910620013.1A CN201910620013A CN110294573A CN 110294573 A CN110294573 A CN 110294573A CN 201910620013 A CN201910620013 A CN 201910620013A CN 110294573 A CN110294573 A CN 110294573A
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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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
It is a kind of to utilize UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system and processing method, belong to garbage leachate wastewater processing technology field, the present invention is in order to solve the problems, such as that untreated landfill leachate can pollute ecological environment.The arrival end of solid-liquid separating machine inputs landfill leachate, the outlet section of solid-liquid separating machine is connected to primary sedimentation tank, primary sedimentation tank and conditioning tank are set side by side, and the landfill leachate in primary sedimentation tank can overflow in conditioning tank, conditioning tank, UASB anaerobic reactor, level-one denitrification pond, level-one nitrification tank, second level denitrification pond, second level nitrification tank, sedimentation basin, buffer pool, external ultrafiltration, nanofiltration are sequentially connected to reverse osmosis, and reverse osmosis first exit end is connected to cycling and reutilization equipment.A kind of utilization UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system of the invention can reduce landfill leachate pollution caused by ecological environment.
Description
Technical field
The present invention relates to it is a kind of handle landfill leachate system, and in particular to it is a kind of using UASB anaerobic reactor,
MBR, ultrafiltration and reverse osmosis treatment landfill leachate system, belong to garbage leachate wastewater processing technology field.
Background technique
With the development of social economy and the raising of Living consumption, the yield of municipal refuse is growing day by day, city rubbish
The disposition of rubbish becomes a great problem of modern metropolitan cities.The mode of garbage disposal at present is mainly burning disposal and landfill disposal.Nothing
By which kind of processing mode used, can all there be the generation of landfill leachate.
Landfill leachate water concentration is high, and amplitude of variation is big, the situation of change and landfill yard component of refuse, rubbish of water quality
Treatment scale, rainfall, temperature, topographic and geologic situation, the landfill time limit, rubbish explanation situation etc. are multifactor closely related.If not
It is collected in time, is handled, pollution and influence on underground water, surface water and refuse landfill ambient enviroment will be caused,
Especially it to underground water source and soil and is polluted even more serious.
Summary of the invention
UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment garbage filter are utilized the object of the present invention is to provide a kind of
Liquid system, to solve the problems, such as that untreated landfill leachate can pollute ecological environment.
It is a kind of to include separation of solid and liquid using UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system
Machine, primary sedimentation tank, conditioning tank, UASB anaerobic reactor, level-one denitrification pond, level-one nitrification tank, second level denitrification pond, second level nitrification
Pond, sedimentation basin, buffer pool, external ultrafiltration, nanofiltration and reverse osmosis；
The arrival end of solid-liquid separating machine inputs landfill leachate, and the outlet section of solid-liquid separating machine is connected to primary sedimentation tank, just heavy
Pond and conditioning tank are set side by side, and the landfill leachate in primary sedimentation tank can overflow in conditioning tank, conditioning tank, UASB anaerobic reaction
Device, level-one denitrification pond, level-one nitrification tank, second level denitrification pond, second level nitrification tank, sedimentation basin, buffer pool, external ultrafiltration,
Nanofiltration is sequentially connected to reverse osmosis, and reverse osmosis first exit end is connected to cycling and reutilization equipment.
It is preferred: conditioning tank, UASB anaerobic reactor, level-one denitrification pond, level-one nitrification tank, second level denitrification pond, two
Grade nitrification tank, sedimentation basin bottom be equipped with sewage draining exit, sewage draining exit is connected to sludge treating system is removed.
Preferred: reverse osmosis to be additionally provided with second outlet end, second outlet end is connected to concentrating liquid pool.
Based on a kind of processing side using UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system
Method, comprising the following steps:
Step a retains the solid particle chaff interferent that partial size is greater than 1mm by solid-liquid separating machine pretreating waste percolate,
Remove most suspended substances.It removes and enters primary sedimentation tank in waste water after biggish sundries, it is further miscellaneous to percolate in primary sedimentation tank
Matter is precipitated, and prevents sundries from entering conditioning tank；
Step b, pretreated landfill leachate enter UASB anaerobic reactor, and by anaerobic reaction, COD be can be obtained greatly
The degradation of amplitude, and the COD of the part bio-refractory in percolate is decomposed under anaerobic；
Step c, the water outlet after anaerobic reaction enter level-one denitrification pond, level-one nitrification tank, second level denitrification pond and second level
Nitrification tank, two-stage A/O have the sufficient residence time, and the COD and ammonia nitrogen for guaranteeing 99% or more are effectively degraded in biochemical stage,
Water outlet enters sedimentation basin and buffer pool after two-stage A/O reaction, and buffer pool water outlet enters external pipe type ultrafiltration；
Step d, water outlet enters nanofiltration and reverse osmosis after ultrafiltration, and nanofiltration system carries out 90% to COD, BOD and heavy metal
Above retention, counter-infiltration system, for organic pollutant, bacterium, colloidal particle, pyrogen carry out 99% or more it is de-
Salt reaches 90% or more to the removal efficiency of COD, ammonia nitrogen and total nitrogen, standard water discharge reuse, as circulation moisturizing.
The present invention has the effect that compared with existing product
The present invention is according to pretreatment+UASB anaerobic reactor+MBR+ nanofiltration+counter-infiltration system processing landfill leachate spy
Property.Large particle in landfill leachate is removed using pretreatment system, it is external by strengthening UASB efficient anaerobic and two-stage A/O
The biochemical action of formula membrane bioreactor, by most COD, ammonia nitrogen degradation.For on a small quantity can not biodegradable humic acid
And the substances such as salinity, then retained by nanofiltration and reverse osmosis treatment system, it is ensured that go out water energy and reaches circulating cooling steadily in the long term
Water reuse standard.
The concentrate that nanofiltration and reverse osmosis treatment system generate is discharged into concentrating liquid pool, and a portion RO dope is used for flying dust
Solidification, remaining is back to dump pit and subsequently enters incinerator.
Excess sludge blowdown sludge-tank, through sludge pump pumping sludge dewatering equipment dehydration, dewatered sludge, which is sent, is transported to incinerator burning,
Supernatant is back to biochemistry pool.
Landfill leachate is handled using this system, the correlation that water outlet after processing meets circulating water system water quality is wanted
It asks, supplements water as circulating cooling.Reduce landfill leachate pollution caused by ecological environment, while also achieving waste
It is recycling, innoxious.
Detailed description of the invention
Fig. 1 is a kind of structure using UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system
Schematic diagram.
In figure: 1- solid-liquid separating machine；2- primary sedimentation tank；3- conditioning tank；4-UASB anaerobic reactor；5- level-one denitrification pond；
6- level-one nitrification tank；7- second level denitrification pond；8- second level nitrification tank；9- sedimentation basin；10- buffer pool；11- external pipe type ultrafiltration；
12- nanofiltration；13- is reverse osmosis.
Specific embodiment
The preferred embodiment of the present invention is elaborated below according to attached drawing.
As shown in Figure 1, a kind of utilization UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment rubbish of the present invention
Permeated liquid system includes solid-liquid separating machine 1, primary sedimentation tank 2, conditioning tank 3, UASB anaerobic reactor 4, level-one denitrification pond 5, level-one
Nitrification tank 6, second level denitrification pond 7, second level nitrification tank 8, sedimentation basin 9, buffer pool 10, external ultrafiltration 11, nanofiltration 12 and reverse osmosis
Saturating 13；
The arrival end of solid-liquid separating machine 1 inputs landfill leachate, and the outlet section of solid-liquid separating machine 1 is connected to primary sedimentation tank 2, just
Heavy pond 2 and conditioning tank 3 are set side by side, and the landfill leachate in primary sedimentation tank 2 can overflow in conditioning tank 3, conditioning tank 3, UASB
Anaerobic reactor 4, level-one denitrification pond 5, level-one nitrification tank 6, second level denitrification pond 7, second level nitrification tank 8, sedimentation basin 9, buffering
Pond 10, external ultrafiltration 11, nanofiltration 12 are sequentially connected to reverse osmosis 13, and reverse osmosis 13 first exit end is set with cycling and reutilization
Standby connection.
Further, conditioning tank 3, UASB anaerobic reactor 4, level-one denitrification pond 5, level-one nitrification tank 6, second level denitrification pond
7, second level nitrification tank 8, sedimentation basin 9 bottom be equipped with sewage draining exit, sewage draining exit is connected to sludge treating system is removed.
Further, reverse osmosis 13 are additionally provided with second outlet end, second outlet end is connected to concentrating liquid pool.
Based on a kind of processing side using UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system
Method, comprising the following steps:
Step a is retained solid particle of the partial size greater than 1mm and is interfered by 1 pretreating waste percolate of solid-liquid separating machine
Object removes most suspended substances.It removes and enters primary sedimentation tank 2 in waste water after biggish sundries, further to diafiltration in primary sedimentation tank
Liquid impurity is precipitated, and prevents sundries from entering conditioning tank 3；
Step b, pretreated landfill leachate enter UASB anaerobic reactor 4, and by anaerobic reaction, COD is available
It significantly degrades, and the COD of the part bio-refractory in percolate is decomposed under anaerobic；
Step c, the water outlet after anaerobic reaction enter level-one denitrification pond 5, level-one nitrification tank 6, second level denitrification pond 7 and two
Grade nitrification tank 8, two-stage A/O have the sufficient residence time, and the COD and ammonia nitrogen for guaranteeing 99% or more are effectively dropped in biochemical stage
Solution, water outlet enters sedimentation basin 9 and buffer pool 10 after two-stage A/O reaction, and buffer pool water outlet enters external pipe type ultrafiltration 11；
Step d, water outlet enters nanofiltration 12 and reverse osmosis 13 after ultrafiltration, and nanofiltration system carries out COD, BOD and heavy metal
90% or more retention, counter-infiltration system carry out 99% or more for organic pollutant, bacterium, colloidal particle, pyrogen
Desalination reaches 90% or more to the removal efficiency of COD, ammonia nitrogen and total nitrogen, standard water discharge reuse, as circulation moisturizing.
Large particle in landfill leachate is removed using pretreatment system, by strengthening UASB efficient anaerobic and two-stage A/
The biochemical action of O external membrane bioreactor, by most COD, ammonia nitrogen degradation.For on a small quantity can not biodegradable corruption
The substances such as acid and salinity are grown, then are retained by nanofiltration and reverse osmosis treatment system, it is ensured that goes out water energy and reaches circulation steadily in the long term
Cooling water reuse standard.
Landfill leachate is handled using this system, reduces landfill leachate pollution caused by ecological environment, while
Realize the recycling, innoxious of waste.
This embodiment is just an exemplary description of this patent, does not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (4)
1. a kind of utilize UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system, it is characterised in that: packet
Include solid-liquid separating machine (1), primary sedimentation tank (2), conditioning tank (3), UASB anaerobic reactor (4), level-one denitrification pond (5), level-one nitre
Change pond (6), second level denitrification pond (7), second level nitrification tank (8), sedimentation basin (9), buffer pool (10), external ultrafiltration (11), receive
It filters (12) and reverse osmosis (13)；
The arrival end of the solid-liquid separating machine (1) inputs landfill leachate, outlet section and primary sedimentation tank (2) of solid-liquid separating machine (1)
Connection, primary sedimentation tank (2) and conditioning tank (3) are set side by side, and the landfill leachate in primary sedimentation tank (2) can overflow to conditioning tank (3)
It is interior, conditioning tank (3), UASB anaerobic reactor (4), level-one denitrification pond (5), level-one nitrification tank (6), second level denitrification pond (7),
Second level nitrification tank (8), sedimentation basin (9), buffer pool (10), external ultrafiltration (11), nanofiltration (12) and reverse osmosis (13) sequentially connect
Logical, the first exit end of reverse osmosis (13) is connected to cycling and reutilization equipment.
2. a kind of utilization UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment garbage filter according to claim 1
Liquid system, it is characterised in that: the conditioning tank (3), UASB anaerobic reactor (4), level-one denitrification pond (5), level-one nitrification tank
(6), second level denitrification pond (7), second level nitrification tank (8), sedimentation basin (9) bottom be equipped with sewage draining exit, sewage draining exit and remove sludge
Processing system connection.
3. a kind of utilization UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment garbage filter according to claim 1
Liquid system, it is characterised in that: reverse osmosis (13) are additionally provided with second outlet end, and second outlet end is connected to concentrating liquid pool.
4. utilizing UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis place based on a kind of described in claim 1-3 any one
Manage the processing method of landfill leachate system, which comprises the following steps:
Step a retains the solid particle chaff interferent that partial size is greater than 1mm by solid-liquid separating machine (1) pretreating waste percolate,
Remove most suspended substances.It removes in waste water and enters primary sedimentation tank (2) after biggish sundries, further to percolate in primary sedimentation tank
Impurity is precipitated, and prevents sundries from entering conditioning tank (3)；
Step b, pretreated landfill leachate enters UASB anaerobic reactor (4), and by anaerobic reaction, COD be can be obtained greatly
The degradation of amplitude, and the COD of the part bio-refractory in percolate is decomposed under anaerobic；
Step c, the water outlet after anaerobic reaction enter level-one denitrification pond (5), level-one nitrification tank (6), second level denitrification pond (7) and
Second level nitrification tank (8), two-stage A/O have the sufficient residence time, and the COD and ammonia nitrogen for guaranteeing 99% or more are had in biochemical stage
Effect degradation, water outlet enters sedimentation basin (9) and buffer pool (10) after two-stage A/O reaction, and buffer pool water outlet is super into external pipe type
It filters (11)；
Step d, water outlet enters nanofiltration (12) and reverse osmosis (13) after ultrafiltration, and nanofiltration system carries out COD, BOD and heavy metal
90% or more retention, counter-infiltration system carry out 99% or more for organic pollutant, bacterium, colloidal particle, pyrogen
Desalination reaches 90% or more to the removal efficiency of COD, ammonia nitrogen and total nitrogen, standard water discharge reuse, as circulation moisturizing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910620013.1A CN110294573A (en) | 2019-07-10 | 2019-07-10 | It is a kind of to utilize UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system |
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| CN201910620013.1A CN110294573A (en) | 2019-07-10 | 2019-07-10 | It is a kind of to utilize UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862189A (en) * | 2019-11-11 | 2020-03-06 | 广州市适然环境工程技术有限公司 | Landfill leachate biological denitrification system |
| CN111138040A (en) * | 2020-01-19 | 2020-05-12 | 北京首钢生物质能源科技有限公司 | Landfill leachate treatment method |
| CN111410336A (en) * | 2020-04-10 | 2020-07-14 | 广东自华科技有限公司 | Method and treatment process for precipitating and separating humic acid in landfill leachate |
| CN111762970A (en) * | 2020-07-06 | 2020-10-13 | 武汉环联环境工程有限公司 | Method for treating leachate of garbage transfer station |
| CN113636715A (en) * | 2021-07-16 | 2021-11-12 | 国能龙源环保南京有限公司 | Integrated wastewater treatment system with front-end organic degradation |
| CN113788582A (en) * | 2021-09-17 | 2021-12-14 | 广东闻扬环境科技有限公司 | Landfill leachate treatment method and system |
| CN114315016A (en) * | 2021-12-16 | 2022-04-12 | 郑州公用环境科技有限公司 | Method for treating landfill leachate of waste incineration power plant |
| CN114477452A (en) * | 2022-03-08 | 2022-05-13 | 浙江工业大学 | Method for removing tetracycline antibiotics in landfill leachate |
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| CN113788582A (en) * | 2021-09-17 | 2021-12-14 | 广东闻扬环境科技有限公司 | Landfill leachate treatment method and system |
| CN114315016A (en) * | 2021-12-16 | 2022-04-12 | 郑州公用环境科技有限公司 | Method for treating landfill leachate of waste incineration power plant |
| CN114477452A (en) * | 2022-03-08 | 2022-05-13 | 浙江工业大学 | Method for removing tetracycline antibiotics in landfill leachate |
| CN114477452B (en) * | 2022-03-08 | 2023-05-30 | 浙江工业大学 | Method for removing tetracycline antibiotics in landfill leachate |
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