CN109111056A - A kind of innoxious terminal processing method of mature landfill leachate - Google Patents
A kind of innoxious terminal processing method of mature landfill leachate Download PDFInfo
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- CN109111056A CN109111056A CN201811188161.2A CN201811188161A CN109111056A CN 109111056 A CN109111056 A CN 109111056A CN 201811188161 A CN201811188161 A CN 201811188161A CN 109111056 A CN109111056 A CN 109111056A
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- landfill leachate
- innoxious
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 66
- 238000003672 processing method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000002699 waste material Substances 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 15
- 241000196324 Embryophyta Species 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000010992 reflux Methods 0.000 claims abstract description 6
- 244000166124 Eucalyptus globulus Species 0.000 claims abstract 5
- 239000004744 fabric Substances 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000002262 irrigation Effects 0.000 abstract description 7
- 238000003973 irrigation Methods 0.000 abstract description 7
- 230000005068 transpiration Effects 0.000 abstract description 3
- 239000000284 extract Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 2
- 239000002362 mulch Substances 0.000 abstract 1
- 239000002689 soil Substances 0.000 abstract 1
- 241000219927 Eucalyptus Species 0.000 description 12
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 4
- 238000011068 loading method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 230000001839 systemic circulation Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B1/00—Dumping solid waste
- B09B1/004—Covering of dumping sites
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- C02F2103/001—Runoff or storm water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of innoxious terminal processing method of mature landfill leachate, and in particular to a method of mature landfill leachate is handled using household refuse landfill sites.One layer of antiseepage film of Surface mulch after refuse landfill sealing, one layer of antiseepage film upper berth granular cushion, overlay one layer of mineralized waste again thereon, and alley shape is piled into as growing area, water distributor is buried along alley direction inside alley, passes through water distribution elevator pump and extracts percolate in landfill leachate reservoir, directly carry out efficient trickle irrigation, outermost layer covers one layer of antiseepage film again, and preformed hole at the top of antiseepage film plants fast-growing eucalyptus.The low-lying place in alley interval as rain rill, and in end, collect by unification.Wherein, refluxing opening is arranged in blotter bottom, and is connected to landfill leachate reservoir, and the ponding under extra percolate and unfavorable factor is irrigated in recycling, establishes circulation.This method realizes the zero-emission of mature landfill leachate using the biodegrade of mineralized waste bed and assimilation, the physics transpiration of fast-growing eucalyptus.Meanwhile fast-growing eucalyptus can be used as resource recycling.This method is not take up other soils, and processing cost is low, stable, it can be achieved that a wide range of promote.
Description
Technical field
The invention patent belongs to landfill leachate treatment field, and in particular to a kind of innoxious terminal of mature landfill leachate
Processing method.
Background technique
The quickening of Development of China's Urbanization causes domestic waste also increasing, and sanitary landfills is current main end
Hold one of processing mode.After garbage loading embeading closing, landfill leachate will certainly be generated, and landfill leachate is that a kind of ingredient is multiple
Miscellaneous high concentrated organic wastewater, especially mature landfill leachate, main feature show themselves in that (1) complicated components, not only containing organic
Pollutant contains metal ion and other hazardous contaminants simultaneously；(2) ammonia nitrogen and total nitrogen content are high, and general sewage phase
Than C/N increases difficulty than numerous imbalances, even up to 1:1, for conventional treatment process selection；(3) COD content is not high, average
In 3000-5000mg/L, biodegradability is very poor.It is existing for landfill leachate treatment problem, especially mature landfill leachate
Method is mostly that individually certain technique either kinds of processes confusion combination still remains processing cost height during processing,
Process operation is unstable, is discharged the problems such as not up to standard, is to be at one's wit's end, be stymied by.
On the one hand high using traditional handicraft processing mature landfill leachate technical difficulty, processing cost is big, is stranded, nothing
Method solves, and on the other hand after refuse landfill sealing, and has itself greening earthing requirement, occupies a large amount of land used, institute
Can therefrom establish a kind of tie, on the basis of meeting the greening requirement after refuse landfill sealing, while benefit can be developed again
With land use for greening, complement each other, make up each other, reach two-win, this is clearly a problem, also be always it is contemplated that weight
Point, and for the problem, it has not been reported up to now.
Summary of the invention
Thinking in view of the above problems, the present invention propose a kind of innoxious terminal processing method of mature landfill leachate, purport
Land use for greening after using refuse landfill sealing handles mature landfill leachate, maximally utilizes resource, and energy
Meet the processing requirement of landfill leachate.
In order to achieve the above objectives, it is as follows to provide technical solution by the present invention:
A kind of innoxious terminal processing method of mature landfill leachate, the mature landfill leachate reservoir including sequence arrangement, pipe
Road mechanical filter, water distribution elevator pump, bottom antiseepage film, granular cushion, mineralized waste layer, growing area and its internal setting
Perforation water distributor, top layer antiseepage film, the fast-growing eucalyptus planted and rain gutter on plantation layer.
Refuse landfill be arranged a landfill leachate reservoir, as landfill leachate treatment leading portion conditioning tank and return
Flow liquid collecting pit, and water distribution elevator pump is set, it is drawn by pipeline, as cloth water conduit tube, wherein water distribution elevator pump front end adds pipe
Road mechanical filter carries out mechanical crushing filtering to landfill leachate, prevents the large granular impurity in percolate from entering in system,
It blocks.
After refuse landfill sealing, top layer is laid with one layer of antiseepage film, prevents surface precipitation from leaking into refuse landfill,
The quantum of output for increasing landfill leachate, then directly in this layer of one layer of antiseepage film upper berth 150-300mm thickness granular cushion, and
According to garbage loading embeading stockyard landform, refluxing opening is set in blotter end, landfill leachate reservoir is connected to by pipeline, it will
Ponding under the conditions of extra landfill leachate and least favorable is back in landfill leachate reservoir, prevents to generate secondary pollution.
Then, it is laid with mineralized waste, depth 2000-2500mm on granular cushion, and is spaced and is piled into alley shape, it is trapezoidal,
As growing area, sector width 2000-3500mm is planted, highly between 1500-2000mm, in addition, the growing area boundary interval
The recessed area of 1500-2000mm is as gutter.Wherein, perforation water distributor is laid in growing area, it is dry to connect water distribution by valve
Pipe, the efficient trickle irrigation landfill leachate into growing area.
Then, one layer of antiseepage film is re-layed on entire mineralized waste layer as top layer antiseepage film completely to cover lower part
Lid, prevents natural cause rainwater from dropping in mineralized waste layer, increases ponding.In addition, in the antiseepage film location of growing area, along alley
Direction opens up aperture plantation fast-growing eucalyptus.On the one hand high consumption fertilizer, highly water intensive property and the strong transpiration of the high megaphanerophyte of fast-growing eucalyptus are utilized
On the other hand the microbial bacteria of mineralized waste layer can be passed through by acting on the landfill leachate in absorption cleaning trickle irrigation to growing area
The landfill leachate for arriving mineralized waste layer is irrigated in group's degradation, continuing purge degradation, and extra landfill leachate passes through bottom
Granular cushion is returned in landfill leachate reservoir by refluxing opening, at the landfill leachate so as to form an ecology
Systemic circulation is managed, any secondary pollution can will not be generated directly as the terminal harmless treatment mode of landfill leachate, realize zero
Discharge.
Meanwhile fast-growing eucalyptus can be used as timber and carry out resource utilization utilization, bring economic benefit.
When the fast-growing eucalyptus more new plantation of different growing areas, it can be controlled by the valve between cloth water conduit tube and perforation water distributor
The trickle irrigation for opening and closing landfill leachate, guarantees the treatment effeciency of landfill leachate and the growth of fast-growing eucalyptus.
Preferably, mineralized waste layer can carry out multi-tier arrangement according to refuse landfill landform, adaptation to local conditions, to a greater extent
Improve the degradation treatment efficiency of landfill leachate.
Preferably, in growing area other well developed root systems can be planted, consume fertile water consumption according to different refuse landfill region characteristics
The localization that amount is big and vitality is strong is woody or herbaceous plant, to adapt to different refuse landfills.
The present invention is not take up other extra lands used under the premise of guaranteeing the terminal processes mode of garbage filter liquid pollution-free,
It is without secondary pollution, realize zero-emission, the greening requirement after meeting refuse landfill sealing, while resource utilization can be brought to utilize
Timber, process runs well, processing cost is low, can be promoted on a large scale.
Detailed description of the invention.
1, landfill leachate reservoir；2, cloth water conduit tube；3, water distribution elevator pump；4, valve；5, growing area；6, fast-growing eucalyptus；7,
Rain rill；8, garbage stacking yard；9, refluxing opening；10, bottom antiseepage film；11, mineralized waste layer；12, granular cushion；13, it plants
Growing area；14, perforation water distributor；15, top layer antiseepage film；16, Management of Pipeline Mechanical Equipment filter；17, water distribution direction.
Attached drawing 1: floor plan.
Attached drawing 2:A-A sectional view.
Attached drawing 3:B-B sectional view.
Specific embodiment
Implementation content in order to better illustrate the present invention, is now described as follows with specific embodiment
One landfill leachate reservoir (1) of setting near refuse landfill, adjusting and pretreatment pool as mature landfill leachate,
It using the hydraulic hoisting function of water distribution elevator pump (3), is drawn outward by cloth water conduit tube, wherein before water distribution elevator pump (3)
Pipe laying mechanical filter (16) on cloth water conduit tube (2) is held, prevents the large granular impurity in landfill leachate from entering system, is sent out
Raw blocking.
In addition, being laid with one layer of bottom antiseepage film above garbage stacking yard after the garbage stacking yard (8) in refuse landfill closes
(10), it prevents other precipitation such as the rainwater on upper layer from entering in garbage loading embeading stockyard, generates extra landfill leachate.In bottom
It is laid with the granular cushion (12) of one layer of 500mm thickness in antiseepage film (10), is set as the channel of upper layer phegma, and in end
It puts back into head piece (9), collects the ponding generated under the conditions of top extra landfill leachate and least favorable, and flow back by pipeline
Landfill leachate reservoir (1).Granular cushion (12) upper layer is laid with mineralized waste, as mineralized waste layer (11), and upper
Portion is piled into alley shape as growing area (13), trapezoidal, wherein perforation water distributor (14) is buried in the growing area of alley shape,
It carries out trickle irrigation and guarantees the unobstructed of water distribution, inbuilt perforation water supply pipe in each growing area (5) using common gimmick in the art
(14) it is connected by valve with the cloth water conduit tube (2) that front end is drawn by water distribution elevator pump (3).
Wherein alley shape growing area (5) is highly 2000mm, width 3000mm, growing area (5) interval 2000mm conduct
Rain rill (7).
Mineralized waste layer (11) top integrally re-lays one layer of top layer antiseepage film (15), and top is completely covered, and prevents big
It is seeped under the factors such as gas precipitation in mineralized waste layer (11), increases system operating load.Other precipitation such as rainwater pass through growing area
(5) rain rill (7) being spaced is discharged to both sides, and passes through both sides rain rill (7) outlet.
It is spaced apart hole at the top layer antiseepage film (15) on growing area (13) top, plants fast-growing eucalyptus (6) herein, so far
Complete the arrangement of whole system.
Water distribution elevator pump (3) extracts the mature landfill leachate in landfill leachate reservoir (1), by cloth water conduit tube (2),
The perforation water distributor (14) that it is good that landfill leachate is pumped into growing area (5) interior pre-plugged is dripped using water distribution elevator pump (3)
It fills, using the high the features such as consuming fertile, highly water intensive and high transpiration of fast-growing eucalyptus during the growth process, Powerful purification absorbs trickle irrigation and arrives
The landfill leachate of growing area (5), meanwhile, it, also can be very big using miscellaneous microbial flora in mineralized waste layer (11)
The efficient multiple pollutant in degradation removal landfill leachate.Fast-growing eucalyptus (6) can pass through company when being updated the plantation replacement
Valve (4) the control opening and closing being connected in perforation water distributor (14), guarantees the degradation efficiency and fast-growing eucalyptus seedling kind of landfill leachate
The feasibility of plant.
The extra landfill leachate not absorbed in time of trickle irrigation is by the granular cushion (12) of bottom in refluxing opening
Place is returned in landfill leachate reservoir by pipeline, and the innoxious end of efficient, the stable degradation of a landfill leachate is established with this
End processing systemic circulation.
The technique will not occupy extra land used while degrading mature landfill leachate, moreover, fast-growing eucalyptus was both able to satisfy
The greening demand of refuse landfill after the completion of growth, and can carry out resource utilization utilization, have multiple benefits.
Above-described embodiment and attached drawing are to non-limiting description of the invention, but the present invention is not limited to above-mentioned
In specific embodiment.Technical staff in the art can be changed without departing from purport of the invention the present invention, can
It with there are many deformations, but all should be within the scope of protection of the patent of the present invention.
Claims (9)
1. a kind of innoxious terminal processing method of mature landfill leachate, the mature landfill leachate reservoir including sequence arrangement,
Management of Pipeline Mechanical Equipment filter, water distribution elevator pump, bottom antiseepage film, granular cushion, mineralized waste layer, growing area and its inside are set
The perforation water distributor set, top layer antiseepage film, the fast-growing eucalyptus planted on growing area and rain gutter.
2. the innoxious terminal processing method of a kind of mature landfill leachate according to claim 1, it is characterised in that before system
End setting mature landfill leachate collecting pit.
3. the innoxious terminal processing method of a kind of mature landfill leachate according to claim 1, it is characterised in that water distribution mentions
It rises pump front end and Management of Pipeline Mechanical Equipment filter is set.
4. the innoxious terminal processing method of a kind of mature landfill leachate according to claim 1, it is characterised in that available
Top layer antiseepage film after refuse landfill sealing is as bottom antiseepage film described in claim 1.
5. the innoxious terminal processing method of a kind of mature landfill leachate according to claim 1, it is characterised in that gradation is broken
Stone bed course is to be laid in bottom antiseepage film, and thickness can be between 150-800mm, and is setting tail water refluxing opening at both ends, and
Landfill leachate reservoir is passed to by pipeline connection.
6. the innoxious terminal processing method of a kind of mature landfill leachate according to claim 1, it is characterised in that mineralising rubbish
Rubbish layer is that the mineralized waste with partial size less than 60mm is laid with, depth 2000-2500mm, and according to refuse landfill landform slope
Degree is piled into alley shape as growing area, plants sector width 2000-3500mm, height 1500-2000mm, growing area boundary interval
1500-2000mm。
7. the innoxious terminal processing method of a kind of mature landfill leachate according to claim 1, it is characterised in that perforation cloth
Water pipe is to be laid on inside alley growing area, is directly connected to cloth water conduit tube, and adding valve with cloth water conduit tube junction.
8. the innoxious terminal processing method of a kind of mature landfill leachate according to claim 1, it is characterised in that mineralising rubbish
Rubbish layer top layer re-lays one layer of antiseepage film, and opens hole along growing area, plants fast-growing eucalyptus.
9. the innoxious terminal processing method of a kind of mature landfill leachate according to claim 1, it is characterised in that right is wanted
Rain rill is used as at growing area spacing convave trough described in asking 6, rainwater is along rain rill outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188161.2A CN109111056A (en) | 2018-10-12 | 2018-10-12 | A kind of innoxious terminal processing method of mature landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811188161.2A CN109111056A (en) | 2018-10-12 | 2018-10-12 | A kind of innoxious terminal processing method of mature landfill leachate |
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| Publication Number | Publication Date |
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| CN109111056A true CN109111056A (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811188161.2A Pending CN109111056A (en) | 2018-10-12 | 2018-10-12 | A kind of innoxious terminal processing method of mature landfill leachate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233160A (en) * | 2020-03-23 | 2020-06-05 | 深圳市海晟环保科技有限公司 | Modularized non-discharge landfill leachate treatment system and treatment method |
| CN114059598A (en) * | 2021-12-07 | 2022-02-18 | 湘潭大学 | Automatic ecological restoration system suitable for phosphate slag landfill and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557577A (en) * | 2004-02-04 | 2004-12-29 | 同济大学 | Treatment method for infiltration liquid in domestic refuse burying field |
| CN1994940A (en) * | 2006-11-30 | 2007-07-11 | 湖南大学 | Circulated backfilling and artificial wetland combined leachate processing method and its facility |
| CN101020184A (en) * | 2007-03-16 | 2007-08-22 | 清华大学 | Technological process of back pouring percolate to speed stabilization of old landfill site |
| CN108160657A (en) * | 2017-12-26 | 2018-06-15 | 南京万德斯环保科技股份有限公司 | A kind of high-moisture percentage consumer waste landfill percolate original place dystopy processing unit |
-
2018
- 2018-10-12 CN CN201811188161.2A patent/CN109111056A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557577A (en) * | 2004-02-04 | 2004-12-29 | 同济大学 | Treatment method for infiltration liquid in domestic refuse burying field |
| CN1994940A (en) * | 2006-11-30 | 2007-07-11 | 湖南大学 | Circulated backfilling and artificial wetland combined leachate processing method and its facility |
| CN101020184A (en) * | 2007-03-16 | 2007-08-22 | 清华大学 | Technological process of back pouring percolate to speed stabilization of old landfill site |
| CN108160657A (en) * | 2017-12-26 | 2018-06-15 | 南京万德斯环保科技股份有限公司 | A kind of high-moisture percentage consumer waste landfill percolate original place dystopy processing unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233160A (en) * | 2020-03-23 | 2020-06-05 | 深圳市海晟环保科技有限公司 | Modularized non-discharge landfill leachate treatment system and treatment method |
| CN114059598A (en) * | 2021-12-07 | 2022-02-18 | 湘潭大学 | Automatic ecological restoration system suitable for phosphate slag landfill and construction method thereof |
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| TA01 | Transfer of patent application right | ||
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Effective date of registration: 20190326 Address after: 4 floors, 391-393 Dongda Ming Road, Hongkou District, Shanghai 200000 Applicant after: Shanghai Renye Environmental Protection Technology Co.,Ltd. Address before: 2000 65 1-2 floors of 4 blocks, 1628 Lizheng Road, Shuyuan Town, Pudong New Area, Shanghai Applicant before: SHANGHAI XICHANG ENVIRONMENT ENGINEERING CO.,LTD. |
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Application publication date: 20190101 |