Soil heavy metal pollution conditioner and preparation method thereof

A technology of heavy metals and conditioners, applied in the field of soil conditioning and soil improvers, can solve the problems of waste occupying land resources, high cost, damage to soil structure and ability to fix heavy metals, etc., to achieve simple production process, solve resource waste, and repair The effect of heavy metal pollution on soil

Inactive Publication Date: 2019-06-28
CHINA THREE GORGES UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention aims at the shortcomings and deficiencies of existing immobilized materials polluted by heavy metals in soil, such as high cost, low ability to destroy soil structure and fix heavy metals, to provide a new heavy metal-contaminated soil remediation conditioner
Solve the problem of land occupation by waste while efficiently fixing heavy metals and improving soil fertility

Method used

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  • Soil heavy metal pollution conditioner and preparation method thereof
  • Soil heavy metal pollution conditioner and preparation method thereof
  • Soil heavy metal pollution conditioner and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1: the preparation method of soil conditioner

[0037] Component A minerals are mixed with yellow phosphorus slag, sphagnum moss, and titanium gypsum in a mass ratio of 7:2:1.

[0038] The mixture of component B is selected from: dry brewer's grains, cow dung, wheat straw, bagasse, bran and mushroom culture materials.

[0039]Mixture of component B, each component is calculated in parts by mass, dry brewer's grains, cow dung, wheat straw, bagasse, bran and mushroom culture medium are ground according to the mass ratio of 2:1:6:2:1:0.1 mixed.

[0040] The active fermented material of component C, the yogurt is commercially available yogurt.

[0041] Active fermentation material of component C, distiller's grains are selected from brewer's grains.

[0042] About 10 g of the prepared mixture was taken out, prepared into a slurry with 1 L of sterilized deionized water, and mixed evenly to obtain a culture solution.

[0043] 10g of component C beer grains and ...

Embodiment 2

[0046] Embodiment 2: the preparation method of soil conditioner

[0047] Component A minerals are mixed with yellow phosphorus slag, sphagnum moss, and titanium gypsum in a mass ratio of 7:1:1.

[0048] The mixture of component B is selected from: dry distiller's grains, cow dung, wheat straw, bagasse, bran and mushroom culture materials.

[0049] Mixture of component B, each component is calculated by mass parts, dry distiller's grains, cow dung, wheat straw, bagasse, bran and mushroom culture material are ground according to the mass ratio of 2:1:5:1:1:0.5 Crushed and mixed.

[0050] The active fermented material of component C, the yogurt is commercially available yogurt.

[0051] The active fermentation material of component C, distiller's grains are white distiller's grains.

[0052] Take about 10 g of the prepared component B mixture, prepare a slurry with 1 L of sterilized deionized water, and mix evenly to obtain a culture solution.

[0053] 10 g of distiller's gra...

Embodiment 3

[0056] Embodiment 3: the preparation method of soil conditioner

[0057] Component A minerals are mixed with yellow phosphorus slag, sphagnum moss and titanium gypsum in a mass ratio of 7:3:1.

[0058] The mixture of component B is selected from: dried brewer's grains, cow dung, soybean straw, bagasse, bran and mushroom culture materials.

[0059] Component B mixture, each component is calculated in parts by mass, brewer's grains, cow dung, soybean straw, bran, bagasse, bran and mushroom culture material according to the quality of 3:1:5:1:1:0.2 Than grind and mix.

[0060] The active fermented material of component C, the yogurt is commercially available yogurt.

[0061] Active fermentation material of component C, distiller's grains are selected from brewer's grains.

[0062] Take about 10 g of the prepared component B mixture, prepare a slurry with 1 L of deionized water, and mix evenly to obtain a culture medium.

[0063] Add 10 g of brewer's grains of component C and ...

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Abstract

The invention discloses a soil heavy metal pollution conditioner and a preparation method thereof. The soil heavy metal pollution conditioner is prepared from a component A mineral including yellow phosphorus slag, peat moss soil, titanium gypsum and the like, a component B mixture including dry distillers' grains, animal waste, crop straw, bagasse, bran, mushroom culture medium materials and thelike, and a C component active fermenting material including yogurt, distillers' grains and the like. According to the conditioner, mainly industrial and agricultural by-products are adopted, the conditioner is prepared through a simple fermentation process, heavy metals in soil can be effectively fixed, the content of organic matter and nutrient elements in the soil can be increased, the conditioner contains a large number of microorganisms, and the organic matter in the soil can be decomposed into ingredients easier for plants to absorb. The conditioner is low in raw material cost, the riskof secondary pollution is avoided, the passivation rate of the heavy metals is high, the fertility of the soil can be improved, and and the comprehensive effect of soil conditioning is good.

Description

technical field [0001] The invention relates to the technical field of soil conditioning, in particular to a soil conditioner for conditioning and repairing soil heavy metal pollution, and also relates to a preparation method of the soil conditioner, which belongs to the technical field of soil conditioners. Background technique [0002] With the development of industry, many behaviors blindly pursuing economic benefits, such as: industrial wastewater irrigation, excessive use of pesticides and unreasonable mining, have led to more and more serious soil heavy metal pollution. The concealment and hysteresis of soil pollution are not as good as air and water pollution, which have a certain self-purification effect after the pollution source is cut off. After the pollution is caused, it cannot be discovered and treated in time, and soil heavy metal pollution is irreversible. It is difficult to control and the cycle is long, which brings A series of ecological problems, food pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05F17/00C05G3/80
CPCY02W30/40
Inventor 刘立明李颖华贾漫珂任东任顺黄永文陈臣胡志华谢伶莉
Owner CHINA THREE GORGES UNIV
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