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High water absorption environment protection ecologic sand control material and preparing process thereof

An environmentally friendly, high water absorption technology, applied in soil conditioning materials, chemical instruments and methods, organic fertilizers, etc., can solve problems such as environmental pollution, and achieve the effect of solving environmental problems, improving plant survival rate, and improving survival rate.

Inactive Publication Date: 2007-09-05
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the severe situation of land desertification and the environmental pollution caused by the treatment of urban domestic garbage and agricultural waste, the purpose of the present invention is to provide an environmentally friendly, high-water-absorbing and environmentally-friendly ecological sand control material with high sand control speed and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Carry out sand fixation construction on a certain dune to prevent its continued migration. Dry 32.5# ordinary Portland cement, bentonite, fertilizered municipal solid waste, agricultural waste, pre-germinated sand shrub seeds and sodium polyacrylate at the ratio of 4:12:3:0.5:1:0.04 respectively. Mix it evenly, then add clean water at a water-to-solid weight ratio of 0.5 and mix it evenly to produce a high-absorption environment-friendly ecological sand control material slurry, which is loaded into a concrete mixer truck and transported to the designated sand dune in parallel strips or tic-tac-toe. Spray the slurry on the surface of the sand dunes to form a 5-10mm thick sand-fixing layer. After construction, spray water on the newly laid vegetation at an appropriate time to replenish water for plant seedlings, and then effectively manage them to form green vegetation.

Embodiment 2

[0019] Govern a certain desert. Mix 1 part of 42.5 ordinary cement or 52.5 ordinary cement, 6 parts of bentonite, 2.5 parts of fertilized municipal waste, 0.5 parts of crop straw, 1 part of pre-germinated sand shrub seeds, and 0.022 parts of sodium polyacrylate, and then press 0.5 parts of water Add clean water to the solid weight ratio, mix it evenly in the concrete mixer, and transport it to the designated location, spray it on the sand surface in a parallel strip or grid pattern to form a 5-10mm thick sand-fixing layer. Spray water on the newly laid artificial vegetation 2 days after construction to replenish water for the plant seedlings, and then effectively manage them to form green vegetation.

Embodiment 3

[0021] The preparation method of the high water absorption environment-friendly ecological sand control material, the steps are as follows: 1). 52.5 parts by weight of ordinary cement: bentonite: fertilizer of municipal solid waste (composting, mechanical pulverization, microbial decomposition and other technologies to convert household waste into Organic biological fertilizer): agricultural waste (such as livestock and poultry manure): pre-germinated seeds of sand shrubs (such as salix): super absorbent resin (such as sodium polyacrylate) = 3:8:2.8:0.8:1:0.03, Select solid raw materials; select water according to the water-to-solid weight ratio = 0.45; 2). First, dry and mix cement, bentonite, fertilized municipal solid waste, agricultural waste, pre-germinated sand shrub seeds and super absorbent resin. Add water and stir evenly to obtain a high-absorbent environment-friendly ecological sand control material slurry.

[0022] To treat the desert, load the slurry into the concrete...

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PUM

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Abstract

An environment protection type high-hydroscopicity material for controlling desert is proportionally prepared from cement, bentone, fertilizer prepared from life garbage, rejected agricultural material, pre-germinated seed of sabulose shrub, high-hydroscopicity resin and water.

Description

Technical field [0001] The invention belongs to the field of sand-fixing materials, and specifically relates to a multifunctional ecological sand-controlling material integrating urban domestic waste treatment, agricultural waste treatment, and vegetation restoration, and a preparation method thereof. Background technique [0002] Land degradation has attracted wide attention from international organizations, many national governments, research institutions, land administration departments and the public in recent decades. Land degradation, also known as land desertification, refers to the decline in land productivity caused by the interaction of unreasonable human economic activities and fragile ecology until the loss of land resources, and the evolution of land resources on the surface similar to desertified landscapes. The direct causes of land degradation are: on the one hand, the ecosystem of degraded land is relatively fragile, with poor anti-interference ability, stability...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/40
Inventor 胡曙光丁庆军吴静何永佳吕林女王发洲田耀刚
Owner WUHAN UNIV OF TECH
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