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Soil stabilizer and preparation method thereof

A soil stabilizer, diatomite technology, applied in soil conditioning materials, chemical instruments and methods, organic fertilizers, etc., can solve the problems of high cost, changing the original physical and chemical properties of soil, poor application wide applicability, etc. Reduced mobility and bioavailability, easy to generalize effect

Inactive Publication Date: 2017-06-23
ANHUI BOSHUO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, materials that can be used as heavy metal passivators / stabilizers include natural zeolite, peat, phosphate rock powder, quicklime, etc. These materials have high cost and poor applicability, and excessive application will seriously change the quality of the soil. Original physical and chemical properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A soil stabilizer, comprising the following raw materials:

[0029] Attapulgite 180 parts;

[0030] 30 parts of bentonite;

[0031] straw 30 parts;

[0032] 30 parts of carbide slag;

[0033] 20 parts of diatomaceous earth;

[0034] 20 parts of mushroom residue;

[0035] 10 parts of phosphorus-based compound mixture;

[0036] 10 parts of meerschaum;

[0037] Iron powder 10 parts;

[0038] 10 parts of sulfur-based compound mixture;

[0039] Shell powder 2 parts.

[0040] Wherein, the sulfur-based compound mixture includes the following raw materials in parts: 2 parts of ferrous sulfide, 2 parts of sodium sulfide, 1 part of calcium sulfide, 1 part of ammonium sulfide and 1 part of potassium sulfide.

[0041] Wherein, the fungus residue is the harvested culture medium of edible fungi, which is obtained after composting at 60° C. for 10 days, drying, and crushing through a 30-mesh sieve with a pulverizer.

[0042] Wherein, the calcium carbide slag is the waste res...

Embodiment 2

[0059] A soil stabilizer, comprising the following raw materials:

[0060] Attapulgite 220 parts;

[0061] 40 parts of bentonite;

[0062] Straw 40 parts;

[0063] Carbide slag 40 parts;

[0064] 30 parts of diatomaceous earth;

[0065] 30 parts of mushroom residue;

[0066] 15 parts of phosphorus-based compound mixture;

[0067] 15 parts meerschaum;

[0068] Iron powder 15 parts;

[0069] 15 parts of sulfur-based compound mixture;

[0070] Shell powder 8 parts.

[0071] Wherein, the sulfur-based compound mixture includes the following raw materials in parts: 10 parts of ferrous sulfide, 10 parts of sodium sulfide, 5 parts of calcium sulfide, 5 parts of ammonium sulfide and 5 parts of potassium sulfide.

[0072] Wherein, the fungus residue is the culture medium harvested from edible fungus cultivation, which is obtained after composting at 65° C. for 15 days, drying, and crushing through a 35-mesh sieve with a pulverizer.

[0073] Wherein, the calcium carbide slag is...

Embodiment 3

[0090] A soil stabilizer, comprising the following raw materials:

[0091] Attapulgite 200 parts;

[0092] 35 parts of bentonite;

[0093] straw 35 parts;

[0094] 35 parts of carbide slag;

[0095] 25 parts of diatomaceous earth;

[0096] 25 parts of mushroom residue;

[0097] 12 parts of phosphorus-based compound mixture;

[0098] 12 parts meerschaum;

[0099] Iron powder 12 parts;

[0100] 12 parts of sulfur-based compound mixture;

[0101] Shell powder 5 parts.

[0102] Wherein, the sulfur-based compound mixture includes the following raw materials in terms of parts: 6 parts of ferrous sulfide, 6 parts of sodium sulfide, 3 parts of calcium sulfide, 3 parts of ammonium sulfide and 3 parts of potassium sulfide.

[0103] Wherein, the fungus residue is the culture medium harvested from the cultivation of edible fungi, which is obtained after composting at 62° C. for 12 days, drying, and crushing through a 32-mesh sieve with a pulverizer.

[0104] Wherein, the calcium...

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PUM

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Abstract

The invention discloses a soil stabilizer and a preparation method thereof, and relates to the technical field of attapulgite. The soil stabilizer comprises the following raw materials in parts by weight: 220 parts of attapulgite, 40 parts of bentonite, 40 parts of rice straw, 40 parts of acetylene sludge, 30 parts of kieselguhr, 30 parts of mushroom dregs, 15 parts of a phosphorus compound mixture, 15 parts of sepiolite, 15 parts of iron powder, 15 parts of a sulfenyl compound mixture and 8 parts of shell powder. The soil stabilizer is capable of passivating and stabilizing multiple heavy metals in soil and achieving the purposes of fertilizing soil and improving soil properties, and is low in cost, simple and convenient to operate, wide in source, and easy to popularize.

Description

technical field [0001] The invention relates to the technical field of attapulgite, in particular to a soil stabilizer and a preparation method thereof. Background technique [0002] In recent years, with the continuous advancement of industrialization and urbanization in China, the problem of soil pollution has become increasingly serious. Heavy metal pollution can not only cause changes in soil composition, structure and function, but also inhibit crop root growth and photosynthesis, resulting in crop yield reduction or even failure . More importantly, heavy metals may also migrate to animals and humans through the food chain, seriously endangering the health of animals and humans. The hazards of heavy metal pollution such as cadmium rice, arsenic poisoning, and blood lead have been frequently reported in recent years. Soil heavy metal pollution has become one of the public issues that have attracted much attention in soil pollution. [0003] Common remediation technolog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/04C09K17/06C09K17/12
CPCC09K17/04C09K17/06C09K17/12
Inventor 张志军
Owner ANHUI BOSHUO TECH
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