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A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes and its preparation method and soil remediation method

A pollution remediation and residue technology, applied in fertilizer mixtures, soil conditioning materials, chemical instruments and methods, etc., can solve problems such as soil heavy metal pollution, achieve the effect of enhancing soil heavy metal pollution, realizing recycling, and enhancing the effect of remediation

Active Publication Date: 2021-06-01
NORTHWEST A & F UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a soil heavy metal pollution restoration composition based on agricultural and forestry residue enzymes and its preparation method and soil restoration method for solving the problem of soil heavy metal pollution restoration based on heavy metal-polluted plant-made enzymes

Method used

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  • A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes and its preparation method and soil remediation method
  • A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes and its preparation method and soil remediation method
  • A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes and its preparation method and soil remediation method

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specific Embodiment approach 1

[0032] A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes. The soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes includes an enzyme slag compound and an enzyme liquid. The enzyme slag compound is mainly Made from enzyme slag, limestone, biochar, carbohydrates, and organic fertilizers, the parts by weight are 10 parts of enzyme residue, 2 parts of limestone, 5 parts of biochar, 3 parts of carbohydrates, and 3 parts The organic fertilizer, the enzyme slag and enzyme solution are made from agricultural and forestry residues.

[0033] The soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes described in this embodiment, the sugar substance is brown sugar.

[0034] A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes described in this embodiment, the organic matter content of the ...

specific Embodiment approach 2

[0055] A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes. The soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes includes an enzyme slag compound and an enzyme liquid. The enzyme slag compound is mainly Made from enzyme slag, limestone, biochar, carbohydrates, and organic fertilizers, the parts by weight are 12 parts of enzyme residue, 3 parts of limestone, 2 parts of biochar, 1 part of carbohydrates, and 2 parts The organic fertilizer, the enzyme slag and enzyme solution are made from agricultural and forestry residues.

[0056] The soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes described in this embodiment, the sugar substance is white sugar.

[0057] A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes described in this embodiment, the organic matter content of the o...

specific Embodiment approach 3

[0078] A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes. The soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes includes an enzyme slag compound and an enzyme liquid. The enzyme slag compound is mainly Made from enzyme slag, limestone, biochar, carbohydrates, and organic fertilizers, the parts by weight are 15 parts of enzyme residue, 5 parts of limestone, 10 parts of biochar, 10 parts of carbohydrates, and 5 parts The organic fertilizer, the enzyme slag and enzyme solution are made from agricultural and forestry residues.

[0079] The soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes described in this embodiment, the sugar substance is white sugar.

[0080] A soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes described in this embodiment, the organic matter content of th...

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Abstract

The invention discloses a soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes, a preparation method and a soil remediation method thereof, which belong to the field of soil remediation materials. The technical problem to be solved by the present invention is to solve the problem of remediation of soil heavy metal pollution based on the enzyme produced by heavy metal polluted plants. The present invention includes an enzyme slag compound and an enzyme liquid. The enzyme slag compound is mainly made of enzyme slag, limestone, biochar, carbohydrates, and organic fertilizer, and the parts by weight are respectively 10 to 15 parts of enzyme slag, 2-5 parts of limestone, 2-10 parts of biochar, 1-10 parts of carbohydrates, 2-5 parts of organic fertilizer, the enzyme residue and enzyme liquid are made from agricultural and forestry residues. The invention realizes the recycling of repairing plant resources and further enhances the repairing effect, and the removal rate of heavy metals in soil can be increased by more than 7.5% after one year. The invention is used for soil remediation.

Description

technical field [0001] The invention belongs to the field of soil remediation materials; in particular, it relates to a soil heavy metal pollution remediation composition based on agricultural and forestry residue enzymes, a preparation method and a soil remediation method thereof. Background technique [0002] The use of plants to remediate soil heavy metal pollution is an important means of soil heavy metal pollution control. Phytoremediation of heavy metal soil can not only improve the landscape and beautify the environment, but also may generate economic benefits. In the process of phytoremediation of soil heavy metal pollution, often only focus on the remediation of heavy metals by plants or the beautification of the environment, while ignoring the subsequent recycling of plants, which seriously restricts the popularization and application of phytoremediation. [0003] Enzyme is a product made from animals, plants, fungi, etc., which is fermented by microorganisms and h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/40
CPCC09K17/40
Inventor 徐正刚赵运林杨桂燕姜康康彭姣马凯恒梁诚
Owner NORTHWEST A & F UNIV