CN101791618B - Refuse landfill obnoxious gas in-situ control method - Google Patents
Refuse landfill obnoxious gas in-situ control method Download PDFInfo
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 239000002068 microbial inoculum Substances 0.000 claims abstract description 9
- 244000005700 microbiome Species 0.000 claims description 26
- 238000009264 composting Methods 0.000 claims description 24
- 239000002361 compost Substances 0.000 claims description 18
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 claims description 18
- 241001453380 Burkholderia Species 0.000 claims description 16
- 241000862974 Hyphomicrobium Species 0.000 claims description 16
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Classifications
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a refuse landfill obnoxious gas in-situ control method, belonging to the filed of environmental protection. The method comprises the following steps: evenly mixing 20-100 parts of obnoxious in-situ control cover material by weight with 0.1-80 parts of refuse landfill covering soil by weight to obtain refuse landfill obnoxious in-situ control covering soil; adding 0.1-10 parts of deodorizing microbial inoculum by weight into the refuse landfill obnoxious in-situ control covering soil, then evenly mixing; and taking the conditioned refuse landfill obnoxious in-situ control covering soil as daily covering soil, intermediate covering soil or final covering soil to cover the surface of filled refuse or the surface layer of the covering soil, leveling and appropriately compacting. The method can effectively improve and condition the obnoxious pollution control effect during the refuse landfill process, thereby reducing the use amount of filled covering soil, saving effective reservoir storage capacity and prolonging the service life of the refuse landfill; and the method utilizes waste to treat refuse, realizes emission reduction of the obnoxious gas and breaks a new way for recycling utilization of agriculture and municipal administration solid waste, thus having obvious social, environmental and economical benefits.
Description
Technical field
The present invention relates to the method for odor pollution control, be specifically related to a kind of method of refuse landfill obnoxious gas in-situ control.
Background technology
Along with the Chinese society rapid economy development, the significantly raising of the level of urbanization and the resident living level of consumption, the domestic waste amount grows with each passing day.According to statistics, China's domestic waste generation reached 1.55 hundred million tons in 2008, and with annual 8%～10% speed increase.Domestic waste carries out sanitary landfills more than 80%, according to the present economic situation and the development trend of domestic waste from now on, in the quite a long time, sanitary landfills will be the main mode that China's consumer waste innocent is disposed.Although China is obtaining breakthrough progress aspect the technical research such as domestic waste sanitary landfills, percolate processing and landfill gas recycling in recent years, refuse landfill odor pollution problem does not receive enough attention always.Along with raising and the quickening of urbanization process that the town dweller requires living environment quality, the odor pollution problem that the garbage loading embeading process produces becomes increasingly conspicuous.Because the breathing of stench harm humans, circulation, endocrine and nervous system are prone to cause the excited regulatory function with inhibition of cerebral cortex to lack of proper care, and influence the thinking activities of the state of mind and brain, cause all kinds of poisonings, and be carcinogenic, even dead.Thereby, be considered to one of the world's seven overall situation public hazards.In recent years; Some domestic refuse landfills are surrounded by the residential block just gradually; The stench incident that disturbs residents frequently takes place in city refuse landfills such as Beijing, Nanjing, Shanghai, Guangzhou and Hangzhou; The living environment of direct threats landfill yard surrounding resident becomes landfill yard surrounding area society destabilizing factor with physically and mentally healthy, has seriously restricted the sustainable development of China's economy, society and environment and the construction process of harmonious society; Refuse landfill odor pollution control is extremely urgent, seeks rational governance way and the control scheme has become the hot subject that countries in the world need to be resolved hurrily.
China seriously falls behind for the research of refuse landfill odor pollution control, does not still have mature and effective technology and means so far.And means such as the sprinkling chemical deodorizing agent of generally adopting at present, increase day earthing amount and the raising road flushing frequency; Not only deodorizing effect is poor, cost high, secondary pollution is serious; And consume a large amount of land resources; And reduced the effective storage of refuse landfill to a great extent, influence the service life of refuse landfill.In the landfill reservoir area; In view of characteristics such as stench have that uncontrollable discharge, generation are big, longer duration and coverage are wide; Administer after the collection and do not have feasibility; And foul gas and landfill waste, landfill earthing and percolate coexistence cause the environmental behaviour of odorant pollutant to become more complicated.Therefore, the in-situ control of refuse landfill obnoxious gas has become one of problem in science of the key of being badly in need of solution.
Refuse landfill stench in-situ control technology is to utilize the effects such as absorption, absorption and microbial degradation of garbage loading embeading overburden layer to landfill gas, reaches the purpose that foul gas reduces discharging.Landfill overburden layer and superior microorganism thereof are controlled in position in the process of foul gas migration and bio-transformation and are being brought into play very important effect.At present, there is following problem in refuse landfill stench in-situ control technology: (1) cover soil material resource scarcity; (2) earthing takies refuse landfill mass efficient storage capacity; (3) traditional cover soil material price is high, and cost has high input; (4) the cover soil material deodoriging properties is poor.Therefore, the refuse landfill odor pollution control method of research and development high efficiency, low cost seems particularly urgent.
Summary of the invention
The objective of the invention is provides a kind of refuse landfill obnoxious gas in-situ control method in order to solve refuse landfill odor pollution problem.
Refuse landfill obnoxious gas in-situ control method comprises the steps:
1) with 20～100 weight portion stench in-situ control cladding materials and 0.1～80 weight portion refuse landfill earthing mixing;
2) in the refuse landfill stench in-situ control earthing that obtains through step 1), add the deodorizing microorganism of 0.1～10 weight portion, evenly mixed;
3) will be through step 2) refuse landfill stench in-situ control earthing after the conditioning as day earthing or middle earthing or end earthing cover landfill waste surface or earthing top layer, leveling and compacting; Described refuse landfill day, thickness of earth covering was 10～20cm, and thickness of earth covering is 25～35cm in the middle of the refuse landfill, and refuse landfill end thickness of earth covering is 45～55cm.
Described stench in-situ control cladding material is one or more in sludge composting, mud bamboo charcoal compost, livestock excrement composting, end earthing and the old rubbish.Described sludge composting is 70%～85% primary sludge by the moisture content that sewage treatment plant produces, and after adding compost backflow grog and wood chip, straw or rice husk material, adopts static forced ventilation mode composting to form, and its moisture content is 30%～45%.The primary sludge that described mud bamboo charcoal compost is produced by sewage treatment plant after adding compost backflow grog, bamboo charcoal and rice husk or wood chip material, adopts static forced ventilation mode composting to form, and its moisture content is 35%～45%.The feces of livestock and poultry that described livestock excrement composting is produced by livestock and poultry farm after adding compost backflow grog and materials such as wood chip, straw or rice husk, adopts static forced ventilation mode composting to form, and its moisture content is 30%～45%.Described end earthing is taken from the refuse landfill top layer landfill earthing that closed 2～4 years, and its moisture content is 15%～25%.Described old rubbish has been landfill 8～10 years later on basic stabilisation and innoxious rubbish realized, its moisture content is 20%～30%.
Described deodorizing microorganism comprises Alcaligenes (Alcaligenes); Acinetobacter (Acinetobacter); Burkholderia belongs to (Burkholderia); Pseudomonas (Pseudomonas); Flavobacterium (Xanthobacter); Hyphomicrobium (Hyphomicrobium); Pseudonocardia (Pseudonocardia); Xanthomonas (Xanthomonas); Corynebacterium (Corynebacterium); One or more mixed microorganism microbial inoculums in Rhod (Rhodococcus) the He Zhong village Bordetella (Tsukamurella).
The present invention compared with prior art, the following beneficial effect that has:
(1) with agricultural solid residues such as sewage plant sludge and feces of livestock and poultry as raw material; Can utilize it to be rich in characteristics such as a large amount of organic matters and nutrient; Fully improve the earthing fertility; Processing for this type of agricultural solid residue simultaneously provides a feasible outlet with disposal, alleviates the pressure that it brings to urban development.
(2) with municipal solid waste such as old rubbish as raw material; Can utilize that it is rich in that organic matter, specific area are big, high adsorption capacity and have of a great variety, characteristics such as quantity is huge, adaptable microbial population, landfill obnoxious gas is had stronger removal ability.
(3) according to actual needs, in refuse landfill stench in-situ control earthing, add the deodorizing microorganism of suitable species and quantity, regulating and controlling effect has been played in the control of refuse landfill odor pollution.
(4) the present invention carries out overwrite job according to day thickness of earth covering 10～20cm, middle thickness of earth covering 25～35cm, end thickness of earth covering 45～55cm, can practice thrift effective storage, prolongs refuse landfill service life.
(5) raw material sources that the present invention adopted are extensive, and operation is simple, and are easy to operate, and production cost is low and effective; The treatment of wastes with processes of wastes against one another when realizing that foul gas reduces discharging, has been opened up a brand-new road for a large amount of agriculturals and municipal recycling of solid wastes utilization, has tangible society, environment and economic benefit.
The specific embodiment
Refuse landfill obnoxious gas in-situ control method comprises the steps:
1) with 20～100 weight portion stench in-situ control cladding materials and 0.1～80 weight portion refuse landfill earthing mixing;
2) in the refuse landfill stench in-situ control earthing that obtains through step 1), add the deodorizing microorganism of 0.1～10 weight portion, evenly mixed;
3) will be through step 2) refuse landfill stench in-situ control earthing after the conditioning as day earthing or middle earthing or end earthing cover landfill waste surface or earthing top layer, leveling and compacting; Described refuse landfill day, thickness of earth covering was 10～20cm, and thickness of earth covering is 25～35cm in the middle of the refuse landfill, and refuse landfill end thickness of earth covering is 45～55cm.
Described stench in-situ control cladding material is one or more in sludge composting, mud bamboo charcoal compost, livestock excrement composting, end earthing and the old rubbish.Described sludge composting is 70%～85% primary sludge by the moisture content that sewage treatment plant produces, and after adding compost backflow grog and wood chip, straw or rice husk material, adopts static forced ventilation mode composting to form, and its moisture content is 30%～45%.The primary sludge that described mud bamboo charcoal compost is produced by sewage treatment plant after adding compost backflow grog, bamboo charcoal and rice husk or wood chip material, adopts static forced ventilation mode composting to form, and its moisture content is 35%～45%.The feces of livestock and poultry that described livestock excrement composting is produced by livestock and poultry farm after adding compost backflow grog and materials such as wood chip, straw or rice husk, adopts static forced ventilation mode composting to form, and its moisture content is 30%～45%.Described end earthing is taken from the refuse landfill top layer landfill earthing that closed 2～4 years, and its moisture content is 15%～25%.Described old rubbish has been landfill 8～10 years later on basic stabilisation and innoxious rubbish realized, its moisture content is 20%～30%.
Described deodorizing microorganism comprises Alcaligenes (Alcaligenes); Acinetobacter (Acinetobacter); Burkholderia belongs to (Burkholderia); Pseudomonas (Pseudomonas); Flavobacterium (Xanthobacter); Hyphomicrobium (Hyphomicrobium); Pseudonocardia (Pseudonocardia); Xanthomonas (Xanthomonas); Corynebacterium (Corynebacterium); One or more mixed microorganism microbial inoculums in Rhod (Rhodococcus) the He Zhong village Bordetella (Tsukamurella).
For better understanding the present invention, the present invention is done further explain below in conjunction with specific embodiment.
Embodiment 1:
Get Hangzhou Sewage Plant dehydration primary sludge 1000kg (moisture content 70%), add wood chip 150kg, backflow grog 40kg regulates moisture content and is about 60%, and carbon-nitrogen ratio is 30: 1, adopts static forced ventilation mode to carry out compost treatment, throughput 20m
3H
-1D
-1Warp 30～50d compost reaches and becomes thoroughly decomposed, and obtains the sludge composting product.With sludge composting and 5000kg clay mixing, as refuse landfill day earthing cover top layer to landfill waste, thickness is 10cm, the leveling compacting.Through the continuous monitoring of 30d, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach more than 80% with the clearance of other organic foul gas.
Embodiment 2:
Get Hangzhou Sewage Plant dehydration primary sludge 5000kg (moisture content 70%), add bamboo charcoal 400kg, wood chip 750kg, backflow grog 200kg regulates moisture content and is about 60%, and carbon-nitrogen ratio is 30: 1, adopts static forced ventilation mode to carry out compost treatment, throughput 20m
3H
-1D
-1Reach through 30～50d compost and to become thoroughly decomposed, obtain mud bamboo charcoal composting production, as refuse landfill day earthing cover top layer to landfill waste, thickness is 20cm, the leveling compacting.Through the continuous monitoring of 30d, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach more than 89% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than " odorant pollutant discharge standard " (GB14554-93) middle secondary standard limit value.
Inoculation 500kg deodorizing microorganism ORA100 in this landfill overburden layer.This deodorizing microorganism is to comprise that Alcaligenes (Alcaligenes), Burkholderia belong to the mixed microorganism microbial inoculum of (Burkholderia), pseudomonas (Pseudomonas), Flavobacterium (Xanthobacter), Hyphomicrobium (Hyphomicrobium), xanthomonas (Xanthomonas) and Corynebacterium (Corynebacterium).Continue the deodorizing effect of this overburden layer of monitoring, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach 92.2%～96.8% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than " odorant pollutant discharge standard " (GB14554-93) middle primary standard limit value.
Embodiment 3:
Get Hangzhou livestock and poultry farm feces of livestock and poultry 1000kg (moisture content 75%), add wood chip 750kg, backflow grog 200kg regulates moisture content and is about 60%, and carbon-nitrogen ratio is 30: 1, adopts static forced ventilation mode to carry out compost treatment, throughput 25m
3H
-1D
-1Warp 30～50d compost reaches and becomes thoroughly decomposed, and obtains the livestock excrement composting product, with 5000kg clay mixing, covers the top layer to landfill waste as earthing in the middle of the refuse landfill, and thickness is 25cm, the leveling compacting.Through the continuous monitoring of 30d, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach more than 86% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than secondary standard limit value among " odorant pollutant discharge standard " (GB 14554-93).
Inoculation 600kg deodorizing microorganism ORA200 in this landfill overburden layer.This deodorizing microorganism is to comprise that Pseudonocardia (Pseudonocardia), Burkholderia belong to the mixed microorganism microbial inoculum of (Burkholderia), pseudomonas (Pseudomonas), Flavobacterium (Xanthobacter), Hyphomicrobium (Hyphomicrobium), xanthomonas (Xanthomonas) He Zhong village Bordetella (Tsukamurella).Continue the deodorizing effect of this overburden layer of monitoring, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach 87.1%～92.5% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than " odorant pollutant discharge standard " (GB14554-93) middle primary standard limit value.
Embodiment 4:
Get the old rubbish 1000kg of Hangzhou refuse landfill (moisture content 25%).Should old rubbish and 5000kg clay mixing, cover top layer as earthing in the middle of the refuse landfill to landfill waste, thickness is 35cm, the leveling compacting.Through the continuous monitoring of 30d, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach more than 80% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than " odorant pollutant discharge standard " (GB14554-93) middle secondary standard limit value.
Inoculation 600kg deodorizing microorganism ORA200 in this landfill overburden layer.This deodorizing microorganism is to comprise that Pseudonocardia (Pseudonocardia), Burkholderia belong to the mixed microorganism microbial inoculum of (Burkholderia), pseudomonas (Pseudomonas), Flavobacterium (Xanthobacter), Hyphomicrobium (Hyphomicrobium), xanthomonas (Xanthomonas) He Zhong village Bordetella (Tsukamurella).Continue the deodorizing effect of this overburden layer of monitoring, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach 90.3%～95.7% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than " odorant pollutant discharge standard " (GB14554-93) middle primary standard limit value.
Embodiment 5:
Get Hangzhou refuse landfill end earthing 1000kg (moisture content 25%).With this end earthing and 5000kg clay mixing, cover with soil as the refuse landfill end, thickness is 45cm, the leveling compacting.Through the continuous monitoring of 30d, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach more than 80% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than " odorant pollutant discharge standard " (GB14554-93) middle secondary standard limit value.
Inoculation 500kg deodorizing microorganism ORA100 in this landfill overburden layer.This deodorizing microorganism is to comprise that Alcaligenes (Alcaligenes), Burkholderia belong to the mixed microorganism microbial inoculum of (Burkholderia), pseudomonas (Pseudomonas), Flavobacterium (Xanthobacter), Hyphomicrobium (Hyphomicrobium), xanthomonas (Xanthomonas) and Corynebacterium (Corynebacterium).Continue the deodorizing effect of this overburden layer of monitoring, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach 88.4%～93.2% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than " odorant pollutant discharge standard " (GB14554-93) middle primary standard limit value.
Embodiment 6:
Get Hangzhou refuse landfill end earthing and old garbage mixture 1000kg (moisture content 25%), with this mixture and 5000kg clay mixing, cover with soil as the refuse landfill end, thickness is 55cm, the leveling compacting.Through the continuous monitoring of 30d, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach more than 88% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than " odorant pollutant discharge standard " (GB14554-93) middle secondary standard limit value.
Inoculation 600kg deodorizing microorganism ORA200 in this landfill overburden layer.This deodorizing microorganism is to comprise that Pseudonocardia (Pseudonocardia), Burkholderia belong to the mixed microorganism microbial inoculum of (Burkholderia), pseudomonas (Pseudomonas), Flavobacterium (Xanthobacter), Hyphomicrobium (Hyphomicrobium), xanthomonas (Xanthomonas) He Zhong village Bordetella (Tsukamurella).Continue the deodorizing effect of this overburden layer of monitoring, the result shows that this landfill overburden layer is to H
2S, NH
3Can reach 90.8%～95.9% with the clearance of other organic foul gas, the concentration of giving vent to anger all is lower than " odorant pollutant discharge standard " (GB14554-93) middle primary standard limit value.
Claims (6)
1. a refuse landfill obnoxious gas in-situ control method is characterized in that comprising the steps:
1) with 20～100 weight portion stench in-situ control cladding materials and 0.1～80 weight portion refuse landfill earthing mixing;
2) in the refuse landfill stench in-situ control earthing that obtains through step 1), add the deodorizing microorganism of 0.1～10 weight portion, evenly mixed;
3) will be through step 2) refuse landfill stench in-situ control earthing after the conditioning as day earthing or middle earthing or end earthing cover landfill waste surface or earthing top layer, leveling and compacting; Described refuse landfill day, thickness of earth covering was 10～20cm, and thickness of earth covering is 25～35cm in the middle of the refuse landfill, and refuse landfill end thickness of earth covering is 45～55cm;
Described stench in-situ control cladding material is one or more in sludge composting, livestock excrement composting, end earthing and the old rubbish.
2. refuse landfill obnoxious gas in-situ control method according to claim 1; It is characterized in that; Described sludge composting is 70%～85% primary sludge by the moisture content that sewage treatment plant produces; After adding compost backflow grog and wood chip, adopt static forced ventilation mode composting to form, its moisture content is 30%～45%.
3. refuse landfill obnoxious gas in-situ control method according to claim 1; It is characterized in that; The feces of livestock and poultry that described livestock excrement composting is produced by livestock and poultry farm; After adding compost backflow grog and wood chip, adopt static forced ventilation mode composting to form, its moisture content is 30%～45%.
4. refuse landfill obnoxious gas in-situ control method according to claim 1 is characterized in that, described end earthing is taken from the refuse landfill top layer landfill earthing that closed 2～4 years, and its moisture content is 15%～25%.
5. refuse landfill obnoxious gas in-situ control method according to claim 1 is characterized in that, described old rubbish has been landfill 8～10 years later on basic stabilisation and innoxious rubbish realized, and its moisture content is 20%～30%.
6. refuse landfill obnoxious gas in-situ control method according to claim 1; It is characterized in that described deodorizing microorganism comprises that Alcaligenes (Alcaligenes), acinetobacter (Acinetobacter), Burkholderia belong to one or more mixed microorganism microbial inoculums in (Burkholderia), pseudomonas (Pseudomonas), Flavobacterium (Xanthobacter), Hyphomicrobium (Hyphomicrobium), Pseudonocardia (Pseudonocardia), xanthomonas (Xanthomonas), Corynebacterium (Corynebacterium), Rhod (Rhodococcus) the He Zhong village Bordetella (Tsukamurella).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101082621A CN101791618B (en) | 2010-02-09 | 2010-02-09 | Refuse landfill obnoxious gas in-situ control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101082621A CN101791618B (en) | 2010-02-09 | 2010-02-09 | Refuse landfill obnoxious gas in-situ control method |
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| CN109174926A (en) * | 2018-10-31 | 2019-01-11 | 湖南新九方科技有限公司 | A kind of consumer waste filling and embedding method |
| CN111956114B (en) * | 2020-06-05 | 2022-02-22 | 中国水利水电科学研究院 | Excrement and urine processing apparatus and lavatory |
| CN112893385A (en) * | 2021-01-19 | 2021-06-04 | 江西楚杭环保科技有限公司 | Method for treating odor pollution of urban refuse landfill |
| CN113636899A (en) * | 2021-09-23 | 2021-11-12 | 杭州师范大学 | Organic waste aerobic composting stink in-situ emission reduction method |
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