CN105502852B - A kind of method of quick processing garbage burning factory landfill leachate - Google Patents
A kind of method of quick processing garbage burning factory landfill leachate Download PDFInfo
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- CN105502852B CN105502852B CN201610050939.8A CN201610050939A CN105502852B CN 105502852 B CN105502852 B CN 105502852B CN 201610050939 A CN201610050939 A CN 201610050939A CN 105502852 B CN105502852 B CN 105502852B
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F3/02—Aerobic 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
- C02F3/28—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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention provides a kind of method of quick processing garbage burning factory garbage filter, specially biological flocculant is generated using specific microorganism bacillus sp.TC16, effect is swept by adsorbing bridge linking effect, charge neutralization and volume to polymerize with SS, COD, BOD in landfill leachate to precipitate, separation of solid and liquid is carried out using solid-liquid separating equipment, the filter residue isolated can be as the raw material of production organic fertilizer, and the filtrate isolated realizes qualified discharge after biological oxidation is handled.Treatment process is made of biological coagulation slag removing system and biological oxidation system two parts, this method has low stable effluent quality, operating cost, processing time is short, non-secondary pollution high to the removal rate of ammonia nitrogen and organic matter, it can effectively realize the processing of garbage burning factory landfill leachate, treated, and water can be used for landscape planting or carwash.
Description
First, technical field
The present invention relates to technology of garbage disposal, more particularly to a kind of biology of quick processing garbage burning factory landfill leachate
Method.
2nd, background technology
The landfill leachate that garbage burning factory generates is primarily referred to as rubbish in stacking process is cheated in storage because organic matter rots, becomes
Matter, fermentation and the sewage for being percolated out.It is different from the landfill leachate of refuse landfill, the landfill leachate category of garbage burning factory
In fresh leachate, BOD/COD ratios are relatively high, are easy to biochemical treatment.
Garbage burning factory landfill leachate water quality characteristic：(1) suspended solid (SS) concentration is high.Incineration plant landfill leachate
SS concentration is usually in 5000-10000mg/L or even there are many more than 10000mg/L；(2) high COD, high BOD/COD ratios.Due to
Garbage organism content is high in garbage burning factory, and short in the residence time that refuse pit is stacked, organic matter has little time to degrade, and causes
Incineration plant landfill leachate has very high COD, CODCrIn 40000-60000mg/L, while BOD/COD ratios are more than 0.5, have
Good biodegradability；(3) high NH3-N, incineration plant landfill leachate NH3-N can be often in 300-1000mg/L；(4) calcium, magnesium etc.
Concentration is high, and landfill leachate is all containing higher hardness, usual Ca2+In more than 3000mg/L, Mg2+In more than 400mg/L.
According to the characteristics of garbage burning factory landfill leachate, leading processing method to be applied at present has materialization treatment process and life
Change facture.
Materialization treatment process mainly includes coagulating sedimentation, chemical oxidation, electrolysis, absorption method, UF membrane and ammonia aeration method, has
By the advantage that landfill leachate water quality impact is small, effluent quality is more stable, but its deficiency is financial cost height, easily causes secondary
Pollution is used usually as pretreatment or deep treatment method.
Biochemical process is current a kind of most common method, mainly waste water is handled using microorganism, at home and abroad all
It achieves and is widely applied, have that operating cost is low, advantage to environment non-secondary pollution.It is currently used to have at aerobe
Reason, anaerobic bio-treated, aerobic/anaerobic combined method three types.
It is often difficult using single existing treatment technology since landfill leachate forms complicated, organic pollution concentration height
To ensure the stability of effluent quality, thus it is often in the majority using the group technology of several method.
Chinese invention patent application 200510102946.X discloses a kind of garbage filter for handling biochemical garbage burning factory
The device and method thereof of liquid, method carry out separation of solid and liquid using sealed centrifugal dehydration, oil removal are removed, using membrane bioreaction
System is answered to carry out biochemical reaction and using butterfly tubular type reverse osmosis unit reverse osmosis drip processing.Although whole system floor space is small, fit
The advantages that Ying Xingqiang, effluent quality is good, no bacterium and suspended matter, high degree of automation, system is safe, but operating cost is high, needs
System flush is periodically carried out, concentrate yield is big, therefore needs to handle concentrate.
Chinese invention patent application 2011101087954 discloses a kind of refuse incineration plant percolate treatment system, uses
Integrated process, including grid, setting pot, regulating reservoir, reaction settling basin, intermediate pool, up-flow anaerobic sludge
Bed, two level A/O ponds, membrane bioreactor, Fenton-electrochemical reactor, aeration biological fluidization pool, sedimentation basin, sludge concentration tank,
Integrated application physics and biochemical method handle landfill leachate, it is advantageous that promoted effluent quality, reduce operation into
This, but its deficiency is, and using chemical coagulation-sedimentation method, using chemical floc, injected volume is excessive, can generate more chemistry
Precipitating sludge, and complex treatment process, long processing period.
At present, the investment of China's garbage burning factory landfill leachate treatment and operating cost are all larger, depend on its scale, rubbish
Percolate processing investment is generally in ten thousand yuan of 5-10 per ton, and processing cost is in 50-80 per ton members, and process cycle is longer, usually
Take 10-15 days.Therefore, develop a kind of method of quick processing garbage burning factory landfill leachate, with reduce build with operation into
This, it appears it is particularly significant.
3rd, invention content
It to be oozed in view of the deficienciess of the prior art, the object of the present invention is to provide a kind of quick processing garbage burning factory rubbish
The method of filtrate, this method generate high-performance bio flocculant using specific microorganism, occur with SS, COD in landfill leachate
Bioflocculation reacts, and removes SS and most COD by solid-liquid separating machine, and the operation of rear end biochemical treatment system is greatly reduced
Load is that good condition is created in effective operation of biochemical treatment system, can realize percolate qualified discharge within a short period of time.
The technical solution adopted by the present invention is as follows：
The method of a kind of quick processing garbage burning factory landfill leachate, it is characterised in that utilize specific microorganism
Bacillus sp.TC16 (depositary institutions：China Committee for Culture Collection of Microorganisms's common micro-organisms center,
Preservation address：Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3 Institute of Microorganism, Academia Sinica, preservation time：2011 12
Preserved number by the moon 20：CGMCC No.5621, Classification And Nomenclature：Bacillus sp.) biological flocculant is generated, lead to
Absorption bridge linking effect, charge neutralization and volume is crossed to sweep effect and with SS, COD, BOD in landfill leachate polymerize and sink
It forms sediment, separation of solid and liquid is carried out using solid-liquid separating equipment, the semi-oriented filter residue isolated can divide as the raw material of production organic fertilizer
The clear filtrate separated out realizes qualified discharge after further biological oxidation system.This method has stable effluent quality, fortune
The advantages of row is at low cost, non-secondary pollution high to the removal rate of ammonia nitrogen and organic matter, processing time is short, can effectively realize rubbish
The quick processing of incineration plant landfill leachate.
The method of a kind of quick processing garbage burning factory landfill leachate, including biological coagulation slag removing system and life
Object oxidative system.The biological coagulation slag removing system includes grid/setting pot, regulating reservoir, bioflocculation pond, precipitation successively
Pond, collection mud sump, microculture pond, biological coagulation reaction tank, separation of solid and liquid facility；The biological oxidation system includes catchmenting
Pond, aerobic tank, anoxic biochemistry pool, secondary settling tank.
In above-mentioned biological treatment, the larger suspended matter of grid/setting pot filtering spam percolate, filtrate enters tune
Section pond, which is adjusted after water and water quality, enters bioflocculation pond, and the microbial inoculum in microculture pond is passed through into bacterium solution and pumps
Into bioflocculation pond, microorganism generates a large amount of biological flocculant, and flocculation precipitation reaction occurs with SS, COD in filtrate,
The SS in precipitation removal landfill leachate and insoluble organic matter, precipitating sludge enter collection mud sump in sedimentation basin, and supernatant enters
Collecting-tank.Leachate in bioflocculation pond the residence time in 0.5~1.0h, the volume ratio of filtrate and bacterium solution 10: 1~
50∶1。
The sludge of collection mud sump enters biological coagulation reaction tank, in the biology coagulation reaction tank, sludge and microbial inoculum
Be sufficiently mixed under the action of blender, add in a small amount of nutritional agents (mainly by nutrients such as N P and K Ca, Mg and Fe sulphur and
A small amount of organic carbon source composition), providing Institute of Micro-biology using aerating system needs O2, the sludge internal combustion under microbial inoculum effect
Water is destroyed, and sludge physicochemical property is modified, and improves the dewatering of sludge.When sludge stops in biological coagulation reaction tank
Between in 1.0~5.0h, 5: 1~50: 1, nutritional agents dosage is 1~10kg/m for the volume ratio of sludge and bacterium solution3。
The dewatering of sludge is improved after the reaction of biological coagulation, into solid-liquid separating equipment, carries out muddy water point
From.Wherein solids, because it contains abundant organic matter and moisture content is low, can directly be broken by separation press filtration into semi-oriented mud cake
Broken and organic fertilizer is prepared into after hot fermentation, clear filtrate then enters collecting-tank obtained by sludge separation of solid and liquid.
Collecting-tank outlet is connect with biochemistry pool entrance, and biochemistry pool is two level A/O techniques, and every grade of A/O is by 1 anoxic pond (A
Pond) and 1 aerobic tank (O ponds) composition.Diving mixer is set in the anoxic pond to be mixed, the aerobic tank uses sieve
Thatch wind turbine is supplied oxygen.Biochemical unit waterpower residence time is 2~3d, wherein the residence time in 2 aerobic tanks is respectively 18
~for 24 hours, the residence time in anoxic pond is respectively 6~12h.A concentration of 0.4mg/L of the dissolved oxygen in anoxic tank is hereinafter, aerobic
Pond dissolved oxygen concentration is more than 2mg/L.
The muddy water mixed solution that biochemistry pool comes out enters secondary settling tank, carries out mud-water separation, the water quality isolated can carry out up to standard
Discharge, precipitating sludge partial reflux to anoxic pond, remaining excess sludge enter biological coagulation reaction tank and carry out filter-press dehydration processing.
As a result of said program, the present invention has the following advantages：
Biological flocculant is generated using specific microorganism, by adsorbing the effect of sweeping of bridge linking effect, charge neutralization and volume
It polymerize with SS, COD in landfill leachate and precipitates, relative to inorganic or organic coagulants are used, there is reaction speed
Soon, non-secondary pollution, save operating cost advantage.
Using biological coagulation slag removing system, it is only necessary to which 1.0~5.0h can be removed the COD of more than 80% more than 95% SS and
Deng, be greatly reduced subsequent biochemical processing load, make landfill leachate entire processing time that can shorten to 3d or so, and just
It can be fully achieved《Integrated wastewater discharge standard》(GB8978-1996) it marks, and the stabilization of effluent quality.
Compared with Traditional materialized-biochemistry combination process, this method is with process cycle is short, operating cost is low, effluent quality
The advantages of stablizing.
4th, it illustrates
After the specific embodiment that the present invention has been read with reference to attached drawing, those skilled in the art will be more clearly
Solve various aspects of the invention.Skilled person would appreciate that：These attached drawings are used only for cooperation specific embodiment party
Formula illustrates technical scheme of the present invention, and is not intended to and protection scope of the present invention is construed as limiting.Wherein,
Fig. 1 is a kind of process flow chart of the method for quick processing garbage burning factory landfill leachate of the present invention.
Fig. 2 is a kind of technique stream of one embodiment of the method for quick processing garbage burning factory landfill leachate of the present invention
Cheng Tu.
5th, specific embodiment
2 the present invention is described in further detail below in conjunction with the accompanying drawings.
A kind of method of quick processing garbage burning factory landfill leachate, including biological coagulation slag removing system and biological oxidation
System.Biological coagulation slag removing system includes grid/setting pot, regulating reservoir, bioflocculation pond, sedimentation basin, collection mud sump, micro- life successively
Object culture pond, biological coagulation reaction tank, diaphragm chamber-type press filter；The biological oxidation system includes collecting-tank, two level A/O
Pond, secondary settling tank.
In above-mentioned biological treatment, larger suspended matter in grid/setting pot filtering spam percolate, filtrate enters tune
It saves pond to carry out entering bioflocculation pond after water and water quality adjustment, the microbial inoculum in microculture pond, which is passed through into bacterium solution, to be pumped
Into bioflocculation pond, microorganism generates a large amount of biological flocculant, and flocculation precipitation reaction occurs with SS, COD in filtrate.
The SS in precipitation removal landfill leachate and insoluble organic matter, precipitating sludge enter collection mud sump in sedimentation basin, and supernatant enters
Collecting-tank.The dischargeable capacity in bioflocculation pond is 25m3, the hydraulic detention time of landfill leachate is 0.5h, landfill leachate with
The volume ratio of bacterium solution is 20: 1.
The sludge of collection mud sump enters biological coagulation reaction tank, in the biology coagulation reaction tank, sludge and microbial inoculum
Be sufficiently mixed under the action of blender, add in a small amount of nutritional agents (mainly by nutrients such as N P and K Ca, Mg and Fe sulphur and
A small amount of organic carbon source composition), providing Institute of Micro-biology using aerating system needs O2, the internal junction in sludge under microbial inoculum effect
Heshui is destroyed, and sludge is modified, and improves the dewatering of sludge.Biological coagulation reaction pool volume is 50m3, waterpower stops
It is 3h to stay the time.Microbial inoculum injected volume is 1: 10 with sludge volume ratio, and nutritional agents injected volume is 3kg/m3。
The dewatering of sludge is improved after the reaction of biological coagulation, and muddy water point is carried out into diaphragm chamber-type press filter
From.Wherein solid portion by semi-oriented mud cake of the separation press filtration into moisture content below 60%, because its contain abundant organic matter and
Moisture content is low, and hot fermentation prepares organic fertilizer after can directly crushing, and filtrate then enters collecting-tank obtained by sludge separation of solid and liquid.
Collecting-tank outlet is connect with biochemistry pool entrance, and biochemistry pool is two level A/O techniques, and every grade of A/O is by 1 anoxic pond (A
Pond) and 1 aerobic tank (O ponds) composition.Diving mixer is set in the anoxic pond to be mixed, the aerobic tank uses sieve
Thatch wind turbine is supplied oxygen.Biochemical unit waterpower residence time is 2d, wherein the residence time in 2 aerobic tanks is respectively 18h,
Residence time in anoxic pond is respectively 6h.The dissolved oxygen in anoxic tank concentration maintains 0.4mg/L hereinafter, aerobic tank dissolved oxygen
Moderate concentration maintains more than 2mg/L.
Since the biodegradability of garbage burning factory landfill leachate is good, two level A/O biochemical treatments are not gone merely with ammonia nitrogen
It removes, it is also highly beneficial to the removal of organic matter.
The mud mixture that two level A/O ponds come out enters secondary settling tank and carries out precipitation water outlet, and supernatant is discharged through effluent standard mouth
Liquid, treated, and water outlet can be used for landscape planting or carwash.For partly precipitated sludge reflux to aerobic tank, remaining is remaining in secondary settling tank
Sludge drains into filter-press dehydration after biological coagulation reaction tank carries out biological coagulation reaction and handles.
Claims (2)
- A kind of 1. method of quick processing garbage burning factory landfill leachate, it is characterised in that：Including biological coagulation slag removing system And biological oxidation system, biological flocculant is generated using specific microorganism bacillus sp.TC16, by adsorbing bridge Connection effect, charge neutralization and volume sweep effect and polymerize with SS, COD, BOD in landfill leachate and precipitate, and rubbish oozes Filtrate occurs bioflocculation with specific microorganism and reacts, and the volume ratio of landfill leachate and specific microorganism bacterium solution is 20: 1； Larger suspended matter in grid/setting pot filtering spam percolate first, after filtrate enters regulating reservoir progress water and water quality adjustment Into bioflocculation pond, wherein the microbial inoculum in microculture pond, which is passed through into bacterium solution pump, enters bioflocculation pond, micro- life Object generates a large amount of biological flocculant, and flocculation precipitation reaction occurs with SS, COD in filtrate, the precipitation removal rubbish in sedimentation basin SS and insoluble organic matter in rubbish percolate, precipitating sludge enter collection mud sump, and supernatant enters collecting-tank, collects the sludge of mud sump Into biological coagulation reaction tank, in biological coagulation reaction tank, sludge is carried out with specific microorganism bacterium solution under the action of blender It is sufficiently mixed, microbial inoculum injected volume is 1: 10 with sludge volume ratio, after the reaction of biological coagulation, is set using separation of solid and liquid Standby to carry out separation of solid and liquid, raw material of the filter residue isolated as production organic fertilizer, the filtrate isolated is by further biology Qualified discharge is realized after oxidative system processing；The biological coagulation slag removing system includes grid/setting pot, regulating reservoir, biology Flocculation basin, sedimentation basin, collection mud sump, microculture pond, biological coagulation reaction tank, separation of solid and liquid facility.
- 2. the method for quick processing garbage burning factory landfill leachate as described in claim 1, it is characterised in that：The biology Oxidative system includes collecting-tank, biochemistry pool, secondary settling tank.
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| CN109574398A (en) * | 2018-12-26 | 2019-04-05 | 南京贝克特环保科技有限公司 | A kind of depth deslagging method of highly filled biogas slurry |
| CN110734146A (en) * | 2019-11-18 | 2020-01-31 | 深圳市承亿生物科技有限公司 | landfill leachate treatment method |
| CN113087303A (en) * | 2021-04-12 | 2021-07-09 | 武汉合创柯林环保有限公司 | Treatment method of household garbage station leachate |
| CN116144556A (en) * | 2023-03-23 | 2023-05-23 | 内蒙古农业大学 | Bacillus for treating monosodium glutamate wastewater, treating agent, and preparation method and application thereof |
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|---|---|---|---|---|
| WO2000073220A1 (en) * | 1999-05-29 | 2000-12-07 | Choi Joo Sik | A disposal method for pig ordure |
| CN1631820A (en) * | 2005-01-14 | 2005-06-29 | 北京大学 | Combined treatment method and system for landfill leachate |
| CN101225405A (en) * | 2008-01-21 | 2008-07-23 | 西安建筑科技大学 | Method for producing microbial flocculant and method of use thereof |
| CN101475249A (en) * | 2009-01-19 | 2009-07-08 | 浙江理工大学 | Method for treating cultivation wastewater by using microbial flocculant and compound fertilizer obtained thereby |
| CN101544447A (en) * | 2009-04-30 | 2009-09-30 | 郑鉴忠 | Technique for purifying organic sewage through bio-precipitation and purification method |
-
2016
- 2016-01-22 CN CN201610050939.8A patent/CN105502852B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000073220A1 (en) * | 1999-05-29 | 2000-12-07 | Choi Joo Sik | A disposal method for pig ordure |
| CN1631820A (en) * | 2005-01-14 | 2005-06-29 | 北京大学 | Combined treatment method and system for landfill leachate |
| CN101225405A (en) * | 2008-01-21 | 2008-07-23 | 西安建筑科技大学 | Method for producing microbial flocculant and method of use thereof |
| CN101475249A (en) * | 2009-01-19 | 2009-07-08 | 浙江理工大学 | Method for treating cultivation wastewater by using microbial flocculant and compound fertilizer obtained thereby |
| CN101544447A (en) * | 2009-04-30 | 2009-09-30 | 郑鉴忠 | Technique for purifying organic sewage through bio-precipitation and purification method |
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