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A method for producing novel soil conditioning functional materials using industrial solid waste

A functional material and soil conditioning technology, applied in the field of environmental protection, can solve the problem of high preparation cost, and achieve the effects of controlling salinity, restoring natural features and enhancing permeability

Active Publication Date: 2021-11-23
QINGDAO ZHIBANG FURNACE DESIGN RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned soil conditioner not only has high preparation cost, but also needs to be further improved in improving the soil.

Method used

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  • A method for producing novel soil conditioning functional materials using industrial solid waste
  • A method for producing novel soil conditioning functional materials using industrial solid waste
  • A method for producing novel soil conditioning functional materials using industrial solid waste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A method of utilizing industrial solid waste to produce novel soil conditioning functional materials, comprising the following steps:

[0047] (1) mixing

[0048] The red mud, the binder and the acid mineral are selected as raw materials, the red mud, the binder and the acid mineral are mixed in a ratio of 92:5:3 by weight, and high-speed strong mechanical mixing is carried out to obtain the mixture. Wherein, the adhesive is composed of bentonite, corn dextrin and plant rhizome, wherein the weight ratio of bentonite, corn dextrin and plant root is 3:1:1. Acid minerals can choose sulfuric acid slag or acid mud.

[0049](2) Molding

[0050] The mixture prepared in step (1) is pressed into capsule-like particles by a powerful briquetting machine, and the pressure of the briquetting machine is 500 MPa.

[0051] (3) Reduction roasting

[0052] The capsule-shaped particles obtained in step (2) are roasted and reduced by using a mineral roasting and reducing device. The mi...

Embodiment 2

[0061] The preparation method is the same as that in Example 1, the difference is that: fly ash, binder and oxalic acid are selected as raw materials, and the weight ratio of fly ash, binder and oxalic acid is 95:3:2, wherein the binder The invention is composed of bentonite, corn dextrin and plant rhizome, wherein the weight ratio of bentonite, corn dextrin and plant rhizome is 3:1:2.

Embodiment 3

[0063] The preparation method is the same as in Example 1, the difference is that the sulfuric acid slag, binder and slaked lime are mixed in a ratio of 95:3:5 in parts by weight; the parts by weight of bentonite, corn dextrin and plant rhizome in the binder are The ratio is 3:2:1.

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Abstract

The invention discloses a method for producing novel soil regulating functional materials by utilizing industrial solid wastes, which comprises the following steps: (1) mixing: mixing industrial solid wastes, adhesives and acid-base regulating materials, and performing high-speed strong mechanical mixing Combine to obtain the mixture; the adhesive is made up of bentonite, corn dextrin and plant rhizome; the acid-base adjustment material includes acidic material and alkaline material; (1) The prepared mixture is compressed into capsule-shaped particles; (3) Reduction roasting: the capsule-shaped particles obtained in step (2) are reduced and roasted by using a mineral roasting reduction device to obtain a new type of soil regulating functional material. The present invention uses industrial solid waste as raw material, not only can effectively solve the problem of industrial solid waste treatment, but also the new soil regulating functional material produced has magnetism, has a good pore structure inside, and has strong magnetic agglomeration, which can play a more effective role. Good soil conditioning function.

Description

technical field [0001] The invention relates to the fields of environmental protection and agriculture, in particular to soil treatment, restoration and improvement, and more specifically to a method for producing novel soil-regulating functional materials by using industrial solid waste. Background technique [0002] Industrial solid waste refers to solid waste generated in industrial production. The long-term stockpiling of industrial solid waste not only occupies a large amount of land, but also causes serious pollution of water systems, soil and the atmosphere. For example, industrial solid waste has been stored for a long time, and after being leached by rain and snow, the soluble components will seep down from the surface with water and migrate to the soil, which will acidify, alkalinize or harden the soil near the storage yard. [0003] New soil conditioning functional materials are products used to condition soil, mainly for those soils that lose nutrients due to ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/08B09C1/00C05G3/80C05G5/40C09K101/00C09K105/00C09K109/00
CPCB09C1/00C05B7/00C05D1/02C09K17/08C09K2101/00C09K2105/00C09K2109/00C05G3/80C05G5/40C05C3/00
Inventor 杨光
Owner QINGDAO ZHIBANG FURNACE DESIGN RES
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