Domestic garbage landfill final cover system

A technology of end-field coverage and domestic waste, applied in the direction of solid waste removal, etc., can solve the problems of not being able to meet multi-level and all-round needs, and achieve the effect of reducing greenhouse gas emissions, resisting pH environmental changes, and simple technical methods

Inactive Publication Date: 2015-02-04
INST OF SOIL SCI CHINESE ACAD OF SCI +1
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  • Claims
  • Application Information

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Problems solved by technology

These technologies provide important technical reserves for the final coverage link in specific scenarios, but they sti

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  • Domestic garbage landfill final cover system
  • Domestic garbage landfill final cover system
  • Domestic garbage landfill final cover system

Examples

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Embodiment 1

[0022] A end-site coverage system for a domestic waste landfill site includes a bottom-up waste dump body: an exhaust layer, an anti-seepage layer, a drainage layer and a vegetation layer. Among them, the material for laying the exhaust layer is a mixture of waste incineration slag and gravel, with a mixing ratio of 5:1, wherein the slag has a particle size of 1-10mm, the gravel has a particle size of 2-40mm, and the thickness is 25cm; anti-seepage layer The laying material is clay, with a compaction thickness of 40cm; the drainage layer laying material is a mixture of waste incineration slag and gravel, with a mixing ratio of 4:1. The particle size of the slag is between 10 and 40mm, and the particle size of the gravel is between 10 and 40 mm. 40~60mm, thickness 35cm; the material for laying the vegetation layer is a mixture of landfill original soil, waste compost product and biochar. The mixing ratio is 100:5:1 and the thickness is 20cm. Among them, the slag was taken from a...

Embodiment 2

[0035] A end-site coverage system for a domestic waste landfill site includes a bottom-up waste dump body: an exhaust layer, an anti-seepage layer, a drainage layer and a vegetation layer. Among them, the material for laying the exhaust layer is a mixture of waste incineration slag and gravel, the mixing ratio is 4:1, wherein the slag particle size is 1-10mm, the gravel particle size is 2-40mm, and the thickness is 30cm; anti-seepage layer The laying material is clay, and the compaction thickness is 30cm; the drainage layer laying material is a mixture of waste incineration slag and gravel, the mixing ratio is 2:1, the slag particle size is between 10-40mm, and the gravel particle size is 40~60mm, thickness 30cm; the material for laying the vegetation layer is a mixture of landfill original soil, waste compost product and biochar. The mixing ratio is 75:5:1 and the thickness is 30cm.

[0036] Among them, the slag was taken from a municipal solid waste incineration plant in Zhejia...

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Abstract

A domestic garbage landfill final cover system includes an exhaust layer, an impervious layer, a water drainage layer and a vegetation layer, and garbage incinerator slag is used as a main composition part of the exhaust layer and the water drainage layer to substitute natural aggregate or an artificial material; and MSW (municipal solid waste) compost products and biological carbon are added to the vegetation layer in order to greatly enhance the methane oxidation ability and improve the ecological functions of soil. The landfill final cover system comprehensively utilizes domestic garbage organisms and heat treatment (byproducts) products, and has the advantages of simple and practical technical method, strong universality, wide source and low price of raw materials, high degree of treatment of wastes by using wastes, provision of a new way to resolve the heavy metal problem restricting the recycling of perishable components in the MSW and realize the comprehensive treatment of the MSW, and remarkable economic, environmental and social benefits.

Description

Technical field [0001] An end-site coverage system for a domestic waste landfill belongs to the field of solid waste management and pollution control. Background technique [0002] As of 2012, my country's municipal solid waste (MSW) removal volume reached a staggering 171 million tons, and it is increasing year by year at a rate of close to 10%. Affected by diverse cultures such as catering, the important feature of the composition of MSW in my country is the ultra-high content of perishable components (accounting for 50-70% of the total). Due to social, economic and technical conditions such as public environmental protection awareness, regional classified collection facilities and relevant laws and regulations, most of the perishable waste is not collected separately, but mixed with other components into the MSW logistics, making the originally efficient waste Processing and resource utilization technologies have been tested to varying degrees. MSW's composting process is re...

Claims

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Application Information

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IPC IPC(8): B09B1/00
Inventor 吴骏张后虎李春平夏伟霞晏井春陈梦舫
Owner INST OF SOIL SCI CHINESE ACAD OF SCI
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