CN102690085B - Preparation and application of municipal dewatering sludge based coating material for seal of landfill site - Google Patents
Preparation and application of municipal dewatering sludge based coating material for seal of landfill site Download PDFInfo
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- CN102690085B CN102690085B CN2011100709279A CN201110070927A CN102690085B CN 102690085 B CN102690085 B CN 102690085B CN 2011100709279 A CN2011100709279 A CN 2011100709279A CN 201110070927 A CN201110070927 A CN 201110070927A CN 102690085 B CN102690085 B CN 102690085B
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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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Abstract
The present invention relates to preparation of a municipal dewatering sludge based coating material for seal of landfill site, is mainly used for seal covering of the landfill site, and belongs to the field of environmental geotechnical engineering. The municipal dewatering sludge is employed as a basis material and modified to be used in seal covering of the landfill site. An air-out layer of the coating material for seal of landfill site has good gas guide performance; an impervious layer is not easily cracking and has low permeability; and a vegetation nutrient layer has rich nutrients and good hydrophobicity. The covering material of the present invention realizes resource utilization of municipal dewatering sludge and saves land resource; the covering material can be produced by industrialized production, has a simple construction for application to seal covering of the landfill site, and has advantages of simpleness, fastness, strong operability, high survival ratio of plants, so as to guarantee quality of seal covering of the landfill site, meet various technological indexes of seal of the landfill site, and greatly improve the landfill environment.
Description
Technical field
The present invention relates to a kind of refuse landfill sealing covering material preparation take municipal dewatered sludge as base, be mainly used in the Closure cover of refuse landfill, belong to the environmental geotechnical field.
Background technology
Along with construction and the development in city, the disposal of domestic waste and municipal sludge becomes the focal issue of concern.China's domestic waste annual production continues to increase substantially with 8.98% speed, and scrap heap storage over the years has reached 6,600,000,000 tons.At present, most of municipal wastes adopts landfill disposal.In addition, along with the municipal sewage treatment Facilities Construction progressively raises speed and the day by day raising of sewage centralized treatment rate, the sludge creation amount sharp increase of sewage work, China's domestic waste rely on the land-fill method processing 70% or more.Because the complicated component of rubbish and mud, moisture content are large, toxic substance and microorganism are many, it is heavy to have a foul smell, pollutes the characteristics such as large, not only threatens ambient atmosphere environmental health and groundwater resource, also seriously restricts mud security landfill and disposal.Therefore, explore the new way of sludge disposal, novel material and novel process that the research refuse landfill sealing covers are extremely urgent.
Tradition refuse landfill sealing covering system is divided into four layers, from the junk-heap body surface from be followed successively by exhaust level, watertight layer, layer of displacement and vegetation nutrition soil layer.Exhaust level adopts sandstone or the grit that contains soil usually; Watertight layer adopts the compacting clay usually; Layer of displacement adopts the high material of perviousness usually, such as pebbles etc.; Vegetation nutrition soil layer is comprised of nutritive substance of soil, plant-growth etc. usually.Traditional refuse landfill sealing covering material relates to sandstone, pebbles and a large amount of materials such as clay, and draws materials and closely related with the land resources situation of locality, and drawing materials and constructing seems very complicated, is unfavorable for guaranteeing construction speed and construction quality.
The a large amount of end covering material of sanitary landfill technological standards requirement closes to refuse landfill and covers, and cladding thickness is generally 1m.Build the required clay of refuse landfill of a standard, the amount of the materials such as sandstone and pebbles is quite large, and a lot of areas do not have the resources such as natural clay, pebbles, sandstone at home, and these materials are got just difficulty, the trucking costs height; Thereby great in constructing amount, the speed of application that causes refuse landfill is slow, construction quality is difficult to guarantee.Municipal sludge has the characteristics such as low-permeability, richness in nutrition, and wide material sources, the facility of drawing materials.Therefore, how municipal sludge is used for exhaust level, watertight layer and the vegetation nutritive layer of refuse landfill sealing covering material by different technical finesses, realizes that mud safe disposal and recycling are engineering technology problems in the urgent need to address.
Summary of the invention
Problem for above-mentioned existence, the situations such as the object of the invention is to change that the materials of existing refuse landfill sealing covering material are complicated, construction is loaded down with trivial details, construction quality and effect can not be guaranteed adopt to be applied to refuse landfill sealing take municipal dewatered sludge as base mateiral after modification and to cover.To achieve these goals, technical scheme of the present invention is:
Take the preparation of refuse landfill sealing covering material of municipal dewatered sludge as base, comprise from the waste layer to the top layer successively the Closure cover material by exhaust level, watertight layer and vegetation nutritive layer,
1. the preparation of exhaust level covering material,
Get water ratio and be 80%～85% municipal dewatered sludge, mixing by municipal dewatered sludge weight ratio is 3%～5% solidifying agent, stirs, and being squeezed into particle diameter is 5～20mm spherical particle, and spherical particle is placed the seasoning of shady and cool ventilation place,
2. the preparation of watertight layer covering material,
Get water ratio and be 80%～85% municipal dewatered sludge, mixing by municipal dewatered sludge weight ratio is 3%～5% gelling solidify material, mix by municipal dewatered sludge weight ratio be 0.5%～1% wadding fibrous, stir,
3. the preparation of vegetation nutritive layer covering material,
Get water ratio and be 80%～85% municipal dewatered sludge, mix by municipal dewatered sludge weight ratio and be 1%～3% sludge deodorization agent, mix by municipal dewatered sludge mass ratio to be 0.8%～1% ordinary Portland cement, to stir.
Described solidifying agent is a kind of in silicate cement or Portland blastfurnaceslag cement or the composite Portland cement.
Described gelling solidify material is a kind of in quick hardening Portland cement or the low heat portland blast-furnace-slag cement.
Described wadding fibrous length is 1～2mm.
The application that refuse landfill sealing covering material take municipal dewatered sludge as base covers at refuse landfill sealing, concrete operation step is as follows:
1. the junk-heap body of smooth, compacting refuse landfill,
2. the exhaust level covering material is laid on the junk-heap body, and the compacting leveling, laying depth 10～15cm, the exhaust level of formation refuse landfill sealing covering material is laid gas exhaust duct in exhaust level,
3. the watertight layer covering material is ejected on the exhaust level, jet thickness 15～20cm, the watertight layer of formation refuse landfill sealing material,
4. the three-dimensional gauze pad of geotechnique is routed on the watertight layer, and with steel nail the three-dimensional gauze pad of geotechnique is anchored in around watertight layer and the refuse landfill, vegetation nutritive layer covering material is ejected on the geotechnological three-dimensional gauze pad, jet thickness 10～15cm, form the vegetation nutritive layer of Covering Material of Refuse Landfill, herbaceous plant seeds is pressed 20～25g/m
2Ratio evenly sow on the vegetation nutritive layer,
5. covering curing layer on the top layer.
Since adopted above technical scheme, of the present invention take municipal dewatered sludge wide material sources, the draw materials facility of municipal dewatered sludge as the refuse landfill sealing covering material of base; Exhaust level covering material take municipal dewatered sludge as the base preparation is diameter as 5～20mm spherical particle, and enough intensity and good air guide performance are arranged, and can replace pebbles or rubble as the exhaust level of refuse landfill sealing covering material; Watertight layer take municipal dewatered sludge as base preparation takes full advantage of the low-permeability of mud, and wherein wadding fibrous can prevent watertight layer because the shrinkage cracking that the landfill yard temperature raises and dehydration causes, thereby the permeability coefficient of guaranteeing watertight layer is less than 10
-7, jet thickness can effectively substitute take the watertight layer of compacting clay (thickness is as 100cm) as the refuse landfill sealing covering material at intensity and overall stability that 15～20cm just can satisfy watertight layer; Take the vegetation nutritive layer of municipal dewatered sludge as the base preparation, argillization does not appear, has good water-retentivity, the three-dimensional gauze pad of geotechnique and herbaceous plant can effectively prevent again the Rainfall simulator erosion of vegetation nutritive layer, the use of sludge deodorization agent has prevented the pollution of mud to air, mud in the vegetation nutritive layer contains a large amount of nutritive substances and organic matter, can provide nutritive substance for plant-growth.Simultaneously, realize the recycling of municipal dewatered sludge take municipal dewatered sludge as the refuse landfill sealing covering material of base, saved land resources; And exhaust level covering material, watertight layer covering material and vegetation nutritive layer material energy suitability for industrialized production, it is simple that this different materials covers the application construction method that closes at landfill yard, can operate strong, progress is fast, plant survival rate is high, can guarantee the quality that refuse landfill sealing covers, can satisfy all technical of refuse landfill sealing, improve greatly the environment of refuse landfill.
Embodiment
The present invention includes take municipal dewatered sludge as the preparation of the refuse landfill sealing covering material of base and the application of Closure cover material.
One take the preparation of refuse landfill sealing covering material of municipal dewatered sludge as base, comprises from the waste layer to the top layer successively the Closure cover material by exhaust level, watertight layer and vegetation nutritive layer,
1. the preparation of exhaust level covering material,
Get water ratio and be 80%～85% municipal dewatered sludge, mixing by municipal dewatered sludge weight ratio is 3%～5% solidifying agent, stir, being squeezed into particle diameter is 5～20mm spherical particle, spherical particle is placed the seasoning of shady and cool ventilation place, and described solidifying agent is a kind of in silicate cement or Portland blastfurnaceslag cement or the composite Portland cement.
2. the preparation of watertight layer covering material,
Get water ratio and be 80%～85% municipal dewatered sludge, mixing by municipal dewatered sludge weight ratio is 3%～5% gelling solidify material, mix by municipal dewatered sludge weight ratio be 0.5%～1% wadding fibrous, stir, described gelling solidify material is a kind of in quick hardening Portland cement or the low heat portland blast-furnace-slag cement, and described wadding fibrous length is 1～2mm.
3. the preparation of vegetation nutritive layer covering material,
Get water ratio and be 80%～85% municipal dewatered sludge, mix by municipal dewatered sludge weight ratio and be 1%～3% sludge deodorization agent, mix by municipal dewatered sludge mass ratio to be 0.8%～1% ordinary Portland cement, to stir.
Two take municipal dewatered sludge as the application of basic refuse landfill sealing covering material in the refuse landfill sealing covering, and concrete operation step is as follows:
1. the junk-heap body of smooth, compacting refuse landfill.
2. the exhaust level covering material is laid on the junk-heap body, and the compacting leveling, laying depth 10～15cm forms refuse landfill sealing material exhaust level, lays exhaust and Drainage pipe in exhaust level.
3. the watertight layer covering material is ejected on the air-permeable layer jet thickness 15～20cm, the watertight layer of formation refuse landfill sealing material.
4. the three-dimensional gauze pad of geotechnique is routed on the watertight layer, and with steel nail the three-dimensional gauze pad of geotechnique is anchored in around watertight layer and the refuse landfill, vegetation nutritive layer covering material is ejected on the geotechnological three-dimensional gauze pad, jet thickness 10～15cm, form the vegetation nutritive layer of Covering Material of Refuse Landfill, herbaceous plant seeds is pressed 20～25g/m
2Ratio evenly sow on the vegetation nutritive layer.
5. covering curing layer on the top layer.
Specific embodiment 1
1. the preparation of exhaust level covering material,
Get water ratio and be 83% municipal dewatered sludge 1000kg, mix the 30kg silicate cement, stir in stirrer, then being squeezed into particle diameter with sludge granulator is 5～20mm spherical particle, and spherical particle is placed the seasoning of shady and cool ventilation place.
2. the preparation of watertight layer covering material,
Get water ratio and be 83% municipal dewatered sludge 1500kg, mix the 45kg quick hardening Portland cement, mixing staple length is the wadding fibrous 7.5kg of 1～2mm, stirs in stirrer.
3. the preparation of vegetation nutritive layer covering material,
Get water ratio and be 83% municipal dewatered sludge 1000kg, mix the 8kg ordinary Portland cement, mix the agent of 10kg sludge deodorization, in stirrer, stir.
Concrete operation step is as follows:
1. flatten junk-heap body, then use street roller compacting junk-heap body, so that the compactness of junk-heap body and the gradient meet design requirement with navvy or dozer.
2. the exhaust level covering material is layed on the junk-heap body, with navvy or dozer leveling, use the street roller compacting, laying depth 10cm forms refuse landfill sealing material exhaust level, then manually lays gas exhaust duct, need the place of compacting for fear of the broken greatly words pipeline of street roller pressure after the gas exhaust duct laying is complete, adopt artificial compacting, pipeline should lay with exhaust level in so that the discharge of gas.
3. the watertight layer covering material is ejected on the air-permeable layer, jet thickness 15cm, the watertight layer of formation refuse landfill sealing material, sprayed construction equipment adopts 15m
3Air compressor machine, 5m
3/ h rotor-type concrete sprayer, carrier pipe length 18m, diameter 80mm.
4. the three-dimensional gauze pad of geotechnique is routed on the watertight layer, and with 4～5 pieces of steel nail/m
2The three-dimensional gauze pad of geotechnique is anchored in around watertight layer and the refuse landfill, vegetation nutritive layer covering material is ejected on the geotechnological three-dimensional gauze pad, jet thickness 10cm, form the vegetation nutritive layer of Covering Material of Refuse Landfill, herbaceous plant seeds (Bermuda grass, paspalum notatum and Bai Sanye, part by weight 1: 1: 1) is pressed 25g/m
2Ratio evenly sow on the vegetation nutritive layer.
5. mulching straw pad or non-woven fabrics conservation layer on the top layer in previous month, sooner or later respectively spray spray water xi one time, meet later on the drought period water seasoning.
Present embodiment is practically applicable to the sludge landfill Closure cover.
Specific embodiment 2
1. the preparation of exhaust level covering material,
Get water ratio and be 83% municipal dewatered sludge 1000kg, mix the 50kg Portland blastfurnaceslag cement, stir in stirrer, then being squeezed into particle diameter with sludge granulator is 5～20mm spherical particle, and spherical particle is placed the seasoning of shady and cool ventilation place.
2. the preparation of watertight layer covering material,
Get water ratio and be 83% municipal dewatered sludge 1500kg, mix the 75kg low heat portland blast-furnace-slag cement, mixing staple length is the wadding fibrous 15kg of 1～2mm, stirs in stirrer, for subsequent use.
3. the preparation of vegetation nutritive layer covering material,
Get water ratio and be 83% municipal dewatered sludge 1000kg, mix the 10kg ordinary Portland cement, mix the agent of 30kg sludge deodorization, in stirrer, stir, for subsequent use.
Concrete operation step is as follows:
1. flatten junk-heap body, then use street roller compacting junk-heap body, so that the compactness of junk-heap body and the gradient meet design requirement with navvy or dozer.
2. the exhaust level covering material is layed on the junk-heap body, with navvy or dozer leveling, use the street roller compacting, laying depth 15cm forms refuse landfill sealing material exhaust level, then manually lays gas exhaust duct, need the place of compacting for fear of the broken greatly words pipeline of street roller pressure after the gas exhaust duct laying is complete, adopt artificial compacting, pipeline should lay with exhaust level in so that the discharge of gas.
3. the watertight layer covering material is ejected on the air-permeable layer, jet thickness 20cm, the watertight layer of formation refuse landfill sealing material, sprayed construction equipment adopts 15m
3Air compressor machine, 5m
3/ h rotor-type concrete sprayer, carrier pipe length 18m, diameter 80mm.
4. the three-dimensional gauze pad of geotechnique is routed on the watertight layer, and with 4～5 pieces of steel nail/m
2The three-dimensional gauze pad of geotechnique is anchored in around watertight layer and the refuse landfill, vegetation nutritive layer covering material is ejected on the geotechnological three-dimensional gauze pad, jet thickness 15cm, form the vegetation nutritive layer of Covering Material of Refuse Landfill, herbaceous plant seeds (Bermuda grass, paspalum notatum and Bai Sanye, part by weight 1: 1: 1) is pressed 20g/m
2Ratio evenly sow on the vegetation nutritive layer.
5. mulching straw pad or non-woven fabrics conservation layer on the top layer in previous month, sooner or later respectively spray spray water xi one time, meet later on the drought period water seasoning.
Present embodiment is practically applicable to the household refuse landfill sites Closure cover.
Specific embodiment 3
1. the preparation of exhaust level covering material,
Get water ratio and be 83% municipal dewatered sludge 1000kg, mix the 40kg composite Portland cement, stir in stirrer, then being squeezed into particle diameter with sludge granulator is 5～20mm spherical particle, and spherical particle is placed the seasoning of shady and cool ventilation place.
2. the preparation of watertight layer covering material,
Get water ratio and be 83% municipal dewatered sludge 1500kg, mix the 60kg low heat portland blast-furnace-slag cement, mixing staple length is the wadding fibrous 12kg of 1～2mm, stirs in stirrer, for subsequent use.
3. the preparation of vegetation nutritive layer covering material,
Get water ratio and be 83% municipal dewatered sludge 1000kg, mix the 9kg ordinary Portland cement, mix the agent of 20kg sludge deodorization, in stirrer, stir, for subsequent use.
Concrete operation step is as follows:
1. flatten junk-heap body, then use street roller compacting junk-heap body, so that the compactness of junk-heap body and the gradient meet design requirement with navvy or dozer.
2. the exhaust level covering material is layed on the junk-heap body, with navvy or dozer leveling, use the street roller compacting, laying depth 12.5cm forms refuse landfill sealing material exhaust level, then manually lays gas exhaust duct, need the place of compacting for fear of the broken greatly words pipeline of street roller pressure after the gas exhaust duct laying is complete, adopt artificial compacting, pipeline should lay with exhaust level in so that gas purging.
3. the watertight layer covering material is ejected on the air-permeable layer, jet thickness 22.5cm, the watertight layer of formation refuse landfill sealing material, sprayed construction equipment adopts 15m
3Air compressor machine, 5m
3/ h rotor-type concrete sprayer, carrier pipe length 18m, diameter 80mm.
4. the three-dimensional gauze pad of geotechnique is routed on the watertight layer, and with 4～5 pieces of steel nail/m
2The three-dimensional gauze pad of geotechnique is anchored in around watertight layer and the refuse landfill, vegetation nutritive layer covering material is ejected on the geotechnological three-dimensional gauze pad, jet thickness 15cm, form the vegetation nutritive layer of Covering Material of Refuse Landfill, herbaceous plant seeds (Bermuda grass, paspalum notatum and Bai Sanye, part by weight 1: 1: 1) is pressed 22.5g/m
2Ratio evenly sow on the vegetation nutritive layer.
5. mulching straw pad or non-woven fabrics conservation layer on the top layer in previous month, sooner or later respectively spray spray water xi one time, meet later on the drought period water seasoning.
Present embodiment is practically applicable to mud and the domestic garbage mixing Closure of landfill site covers.
Claims (5)
1. take the preparation of municipal dewatered sludge as the refuse landfill sealing covering material of base, comprise the Closure cover material that from the waste layer to the top layer, is formed by exhaust level, watertight layer and vegetation nutritive layer successively, it is characterized in that:
1. the preparation of exhaust level covering material,
Get water ratio and be 80%～85% municipal dewatered sludge, mixing by municipal dewatered sludge weight ratio is 3%～5% solidifying agent, stirs, and being squeezed into particle diameter is 5～20mm spherical particle, and spherical particle is placed the seasoning of shady and cool ventilation place;
2. the preparation of watertight layer covering material,
Get water ratio and be 80%～85% municipal dewatered sludge, mixing by municipal dewatered sludge weight ratio is 3%～5% gelling solidify material, mix by municipal dewatered sludge weight ratio be 0.5%～1% wadding fibrous, stir;
3. the preparation of vegetation nutritive layer covering material,
Get water ratio and be 80%～85% municipal dewatered sludge, mix by municipal dewatered sludge weight ratio and be 1%～3% sludge deodorization agent, mix by municipal dewatered sludge mass ratio to be 0.8%～1% ordinary Portland cement, to stir.
2. as claimed in claim 1 take the preparation of refuse landfill sealing covering material of municipal dewatered sludge as base, it is characterized in that: described solidifying agent is a kind of in silicate cement or Portland blastfurnaceslag cement or the composite Portland cement.
3. as claimed in claim 1 take the preparation of refuse landfill sealing covering material of municipal dewatered sludge as base, it is characterized in that: described gelling solidify material is a kind of in quick hardening Portland cement or the low heat portland blast-furnace-slag cement.
4. as claimed in claim 1 take the preparation of municipal dewatered sludge as the refuse landfill sealing covering material of base, it is characterized in that: described wadding fibrous length is 1～2mm.
5. the refuse landfill sealing covering material take municipal dewatered sludge as base is used, and it is characterized in that: the refuse landfill sealing covering material take municipal dewatered sludge as base is applied to refuse landfill sealing, and concrete application method step is as follows:
1. the junk-heap body of smooth, compacting refuse landfill;
2. get water ratio and be 80%～85% municipal dewatered sludge, mixing by municipal dewatered sludge weight ratio is 3%～5% solidifying agent, stir, being squeezed into particle diameter is 5～20mm spherical particle, and spherical particle is placed the seasoning of shady and cool ventilation place, preparation exhaust level covering material, the exhaust level covering material is laid on the junk-heap body, and the compacting leveling, laying depth 10～15cm, form the exhaust level of refuse landfill sealing covering material, in exhaust level, lay gas exhaust duct;
3. get water ratio and be 80%～85% municipal dewatered sludge, mixing by municipal dewatered sludge weight ratio is 3%～5% gelling solidify material, mix by municipal dewatered sludge weight ratio be 0.5%～1% wadding fibrous, stir, preparation watertight layer covering material, the watertight layer covering material is ejected on the exhaust level jet thickness 15～20cm, the watertight layer of formation refuse landfill sealing material;
4. the three-dimensional gauze pad of geotechnique is routed on the watertight layer, and with steel nail the three-dimensional gauze pad of geotechnique is anchored in around watertight layer and the refuse landfill, get water ratio and be 80%～85% municipal dewatered sludge, mixing by municipal dewatered sludge weight ratio is 1%～3% sludge deodorization agent, mixing by municipal dewatered sludge mass ratio is 0.8%～1% ordinary Portland cement, stir, preparation vegetation nutritive layer covering material, vegetation nutritive layer covering material is ejected on the geotechnological three-dimensional gauze pad, jet thickness 10～15cm, form the vegetation nutritive layer of Covering Material of Refuse Landfill, herbaceous plant seeds is pressed 20～25g/m
2Ratio evenly sow on the vegetation nutritive layer;
5. covering curing layer on the top layer.
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102976689B (en) * | 2012-09-29 | 2014-09-10 | 北京东方雨虹防水技术股份有限公司 | Garbage landfill daily covering material, preparation process and use method thereof |
| CN103922620B (en) * | 2013-01-14 | 2016-03-30 | 宝山钢铁股份有限公司 | A kind of take refuse as the sanitary filling field covering material of base-material |
| CN104324925B (en) * | 2014-09-09 | 2016-08-17 | 中国科学院南京土壤研究所 | One way of life refuse landfill end covering system |
| CN104438276B (en) * | 2014-11-27 | 2017-03-22 | 河南省电力勘测设计院 | Refuse landfill cover layer |
| CN105862886B (en) * | 2016-04-14 | 2018-07-03 | 河海大学 | A kind of landfill slopes antiscour ecological afforestation mask and its construction method |
| CN107593022A (en) * | 2017-10-14 | 2018-01-19 | 李子木 | A kind of devices and methods therefor for being used to be temporarily overlaid on building waste heap |
| CN108273821B (en) * | 2017-12-27 | 2020-07-31 | 中国科学院武汉岩土力学研究所 | Landfill transpiration covering layer based on municipal dewatered sludge |
| CN108380632A (en) * | 2018-03-04 | 2018-08-10 | 辽宁海天阁环保科技有限公司 | Refuse landfill concentrate recycling treatment and rubbish waterproof cover in-situ applications technique |
| CN109306217B (en) * | 2018-09-29 | 2020-11-10 | 西安市固体废弃物管理处 | Preparation and odor control method of domestic garbage bacteriostatic and odor-resistant functional film |
| CN109053101B (en) * | 2018-10-12 | 2021-06-18 | 江苏科技大学 | Modified sludge, preparation method thereof and construction method of modified sludge as soil covering material |
| CN111687176B (en) * | 2020-06-15 | 2021-08-24 | 内蒙古今日环保工程有限公司 | Environment-friendly solidifying treatment method and device for industrial solid waste |
| CN115012454B (en) * | 2022-05-11 | 2023-11-07 | 武汉轻工大学 | Solid waste base composite refuse landfill covering barrier system and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792979A (en) * | 2006-01-04 | 2006-06-28 | 湖南大学 | Process for mfg., impervious lining of refuse health filling field by urban sewage mud |
| CN1807331A (en) * | 2005-12-30 | 2006-07-26 | 同济大学 | Covering layer material based on sludge for daily garbage landfill |
| CN1883831A (en) * | 2006-06-22 | 2006-12-27 | 浙江大学 | Method for recovery of vegetation in garbage landfill field by using municipal sludge modified covering soil |
-
2011
- 2011-03-24 CN CN2011100709279A patent/CN102690085B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807331A (en) * | 2005-12-30 | 2006-07-26 | 同济大学 | Covering layer material based on sludge for daily garbage landfill |
| CN1792979A (en) * | 2006-01-04 | 2006-06-28 | 湖南大学 | Process for mfg., impervious lining of refuse health filling field by urban sewage mud |
| CN1883831A (en) * | 2006-06-22 | 2006-12-27 | 浙江大学 | Method for recovery of vegetation in garbage landfill field by using municipal sludge modified covering soil |
Non-Patent Citations (1)
| Title |
|---|
| 改性污泥作垃圾填埋场封场覆盖材料研究;王静; 赵三青;《科技信息》;20101231(第19期);第8、200页 * |
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