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Soilless cover material for sanitary landfill of solid waste garbage

A covering material and hygienic technology, applied in the field of soilless covering materials, can solve the problems of unfavorable natural degradation of garbage and self-compaction, low recovery rate of storage capacity, waste of storage capacity, etc., to eliminate soil erosion, accelerate biological decomposition, and save cleaning costs Effect

Active Publication Date: 2015-08-26
深圳市五大湖新概念环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Soil mulching and foreign soil spraying methods are more serious waste of storage capacity, and film covering and guest soil spraying methods will form an impermeable and airtight insulation layer, which is not conducive to the natural degradation and self-compaction of garbage, that is, the recovery rate of storage capacity too low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A soilless covering material for sanitary landfill of solid waste, which mainly consists of the following substances in parts by weight:

[0058] 10 parts of hydroxyethyl cellulose;

[0059] 30 parts of expanded paper fiber;

[0060] 50 parts of bentonite;

[0061] 15 parts of gypsum;

[0062] 2000 parts of water;

[0063] 3 parts guar gum;

[0064] 8 parts of polyoxyethylene nonylphenyl ether;

[0065] GPE oily defoamer 10 parts.

Embodiment 2

[0067] A soilless covering material for sanitary landfill of solid waste, which mainly consists of the following substances in parts by weight:

[0068] 5 parts of hydroxyethyl ether polymer;

[0069] 20 parts of expanded wood fiber;

[0070] 15 parts of kaolin;

[0071] 10 parts of gypsum;

[0072] 600 parts of water;

[0073]2 parts tianjing gum;

[0074] 3 parts of polyoxyethylene nonylphenyl ether;

[0075] GPE oily defoamer 1.8 parts.

Embodiment 3

[0077] A soilless covering material for sanitary landfill of solid waste, which mainly consists of the following substances in parts by weight:

[0078] 20 parts of water-soluble cellulose polymer: 10 parts of hydroxyethyl cellulose, 10 parts of hydroxyethyl ether polymer;

[0079] 60 parts of expanded cotton fiber;

[0080] 80 parts of clay: 40 parts of kaolin, 40 parts of bentonite;

[0081] 40 parts of hemihydrate gypsum;

[0082] 2500 parts of water;

[0083] 8 parts of vegetable gum: 4 parts of guar gum, 4 parts of squash gum;

[0084] 20 parts of polyoxyethylene nonylphenyl ether;

[0085] 12.5 parts of GPE oily defoamer.

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Abstract

The invention provides a soilless cover material for sanitary landfill of solid waste garbage. The soilless cover material for sanitary landfill of the solid waste garbage comprises components with parts by weight: water-soluble cellulose polymers 2-25 parts, plant fibers 20-100 parts, clay 10-100 parts, gypsum 5-50 parts and water 500-3000 parts, wherein the water-soluble cellulose polymers is an ionic type, and the plant fibers are an expanded type. The soilless cover material for sanitary landfill of the solid waste garbage is degradable, is about 5%-10% in water penetration rate, also has a certain amount of water permeability, and has great promotion effect for breeding of garbage natural degradation bacteria. The soilless cover material for sanitary landfill of the solid waste garbage eliminates garbage layering after being degraded, enables garbage of a whole landfill to be an entirety, and plays great role for improving garbage density. Compared with other cover methods, the soilless cover material for sanitary landfill of the solid waste garbage has great advantages in cost.

Description

technical field [0001] The invention relates to a covering material, in particular to a soilless covering material for sanitary landfill of solid waste. Background technique [0002] According to the requirements in my country's "Technical Specifications for Municipal Solid Waste Sanitary Landfill (CH17-2004)" and "Operation and Management Specifications for Domestic Waste Sanitary Landfill Sites (DB11 / T270-2005)", the design and operation process of sanitary landfill sites Among them, after the garbage enters the site, the spreading, compacting and covering of the garbage should be completed within 24 hours. [0003] There are two main forms of traditional garbage working face covering: soil covering and film covering. [0004] As we all know, the soil covering method is that after the solid waste is landfilled and compacted, many waste dumps are often covered with 20-30cm of compacted loess. This method has the characteristics of wasting storage capacity, high cost, and is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
Inventor 张宇王起纪伟杰杨飞
Owner 深圳市五大湖新概念环保科技有限公司
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