Modified-rice-straw soil modifier for desertificated soil

A technology for rice straw and soil modification, applied in soil conditioning materials, applications, and other chemical processes, etc., can solve the problems of less performance excavation of modified materials, poor soil water and fertilizer retention capacity, and inability to efficiently use it, and achieve good improvement. Soil effect, effect of increasing porosity and specific surface area, increasing interlayer spacing

Inactive Publication Date: 2016-09-21
JIXI YUANDAO AGRI IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the effect of common soil modification and modification materials is single, and the performance of modified materials is less explored, and there is more room for improvement in terms of stability, adsorption, and environmental prot

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] A modified rice straw soil modifier for sandy soil, made of the following raw materials in parts by weight (kg): konjac powder 24, guar gum powder 5, diatomite 28, carboxymethyl cellulose 3, lemon Ferric acid 2, silicon sulfate 2.0, potassium dihydrogen phosphate 6, rice straw 45 monochloroacetic acid 1.6, kaolin 15, calcium-based bentonite 6, appropriate amount of water.

[0018] The specific steps of the preparation method of the modified rice straw soil modifier for sandy soil are as follows:

[0019] (1) Put the diatomaceous earth in the stove and bake for 20 minutes, take it out, cool it, mix it with konjac powder and guar gum powder, put it into the fermentation tank, and add water until the water content of the fermentation pile is 30%, after 2 weeks of fermentation , add water to 70% of the maximum water content of the fermentation heap, and continue to ferment for 12 days. After the fermentation is completed, filter it with double-layer gauze to obtain the ferm...

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Abstract

The invention discloses a modified-rice-straw soil modifier for desertificated soil. The soil modifier is made from the following raw materials, by weight part, 24-25 of konjac flour, 5-7 of guar gum powder, 28-30 of diatomite, 3-4 of carboxymethyl cellulose, 2-3 of ferric citrate, 2.0-2.4 of silicon sulfate, 6-7 of potassium dihydrogen phosphate, 45-47 of rice straw, 1.6-1.8 of monochloro acetic acid, 15-16 of kaolin, 6-7 of calcium-based bentonite and a proper amount of water. The soil modifier aims at a desertificated soil structure. Through addition of guar gum powder and cured diatomite, adhesion power among desertificated soil particles is improved, and through the addition of water-retention materials, the water retention ability of desertificated soil is improved, thereby improving and solidifying the quality and structure of desertificated soil. The soil modifier is simple to apply and is suitable for large-scale popularization for improvement of desertificated soil.

Description

technical field [0001] The invention relates to the technical field of soil improvement, in particular to a modified rice straw soil modifier for sandy soil. Background technique [0002] my country's agriculture is relatively developed, and it is a large agricultural country with a long history. A large amount of agricultural solid waste is produced every year, such as sugarcane dregs, rice husks, rice and wheat straw, etc. These agricultural solid wastes are often not comprehensively utilized in a timely manner, and are dumped and incinerated indiscriminately, causing huge pollution to the environment. The use of low-quality agricultural solid waste as raw material for soil improvement has become a research hotspot in the field of high-quality solid waste utilization and environmental restoration. Through simple physical or chemical treatment of these solid wastes, the adsorption performance of heavy metals and organic pollutants in the soil can be improved, the physical ...

Claims

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Application Information

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IPC IPC(8): C09K17/40C09K105/00
CPCC09K17/40C09K2105/00
Inventor 章云张贝尼
Owner JIXI YUANDAO AGRI IND TECH
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