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Biomass charcoal based soil repair agent and its preparation method

A technology of soil remediation agent and biomass charcoal, which is applied in the field of biomass charcoal-based soil remediation agent and its preparation, can solve the problem that the adsorption effect is not too obvious, and achieve the effect of avoiding secondary pollution and ensuring efficiency.

Inactive Publication Date: 2018-03-30
成都知联汇科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, biochar is used alone, and its adsorption effect is not too obvious. Therefore, we propose a biochar-based soil remediation agent and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The present invention proposes a biochar-based soil restoration agent, whose raw materials are formulated as follows by weight: 60 parts of biochar, 30 parts of crop straw, 15 parts of diatomite, 15 parts of sodium-based bentonite, and 15 parts of potassium humate , 8 parts of sodium lignosulfonate, 8 parts of ethylenediaminetetraacetic acid, 8 parts of tartaric acid, 5 parts of enzymatic hydrolysis products, 5 parts of microbial catalytic degradation bacteria, and 5 parts of starter.

[0024] The present invention also provides a kind of preparation method of biochar-based soil restoration agent, comprising the steps of:

[0025] S1. Select the reaction tank as an auxiliary tool, place biochar, crop straw, diatomite, sodium bentonite, potassium humate, sodium lignosulfonate, ethylenediaminetetraacetic acid and tartaric acid in the reaction tank in proportion, and Ensure that the temperature in the reaction pool is always at 50 degrees Celsius, and wait for it to stand ...

Embodiment 2

[0031] The present invention proposes a biochar-based soil restoration agent, whose raw materials are formulated as follows by weight: 65 parts of biochar, 35 parts of crop straw, 18 parts of diatomite, 18 parts of sodium-based bentonite, and 18 parts of potassium humate , 9 parts of sodium lignosulfonate, 9 parts of ethylenediaminetetraacetic acid, 9 parts of tartaric acid, 5.5 parts of enzymatic hydrolysis products, 5.5 parts of microbial catalytic degradation bacteria, and 5.5 parts of starter.

[0032] The present invention also provides a kind of preparation method of biochar-based soil restoration agent, comprising the steps of:

[0033] S1. Select the reaction tank as an auxiliary tool, place biochar, crop straw, diatomite, sodium bentonite, potassium humate, sodium lignosulfonate, ethylenediaminetetraacetic acid and tartaric acid in the reaction tank in proportion, and Ensure that the temperature in the reaction pool is always at 55 degrees Celsius, and wait for it to ...

Embodiment 3

[0039] The present invention proposes a biochar-based soil restoration agent, whose raw materials are formulated as follows by weight: 70 parts of biochar, 40 parts of crop straw, 20 parts of diatomite, 20 parts of sodium-based bentonite, and 20 parts of potassium humate , 10 parts of sodium lignosulfonate, 10 parts of ethylenediaminetetraacetic acid, 10 parts of tartaric acid, 6 parts of enzymatic hydrolysis products, 6 parts of microbial catalytic degradation bacteria, and 6 parts of starter.

[0040] The present invention also provides a kind of preparation method of biochar-based soil restoration agent, comprising the steps of:

[0041] S1. Select the reaction tank as an auxiliary tool, place biochar, crop straw, diatomite, sodium bentonite, potassium humate, sodium lignosulfonate, ethylenediaminetetraacetic acid and tartaric acid in the reaction tank in proportion, and Ensure that the temperature in the reaction pool is always at 60 degrees Celsius, and wait for it to sta...

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PUM

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Abstract

The invention discloses a biomass charcoal based soil repair agent, which is prepared from, by weight, 60-80 parts of biomass charcoal, 30-50 parts of crops straw, 15-25 parts of kieselguhr, 15-25 parts of sodium bentonite, 15-25 parts of potassium humate, 8-12 parts of sodium lignin sulfonate, 8-12 parts of edetic acid, 8-12 parts of tartaric acid, 5-7 parts of enzymatic hydrolysate, 5-7 parts ofmicroorganism catalytic degrading bacteria, and 5-7 parts of fermenting agent. The invention further discloses a preparation method of the biomass charcoal based soil repair agent. The biomass charcoal based soil repair agent has the advantages of absorbing heavy metal and pollutants in the soil; for the soil repair agent applies pure natural raw material, the soil repair agent can avoid secondary pollution of soil and effectively guarantee the repair efficiency.

Description

technical field [0001] The invention relates to the technical field of preparation of soil remediation agents, in particular to a biochar-based soil remediation agent and a preparation method thereof. Background technique [0002] Soil pollution has become a worldwide problem, and organic pollution, especially persistent organic pollutant pollution, is a major type of soil pollution. According to preliminary statistics, there are at least 13-16 million hectares of arable land polluted by pesticides and other organic substances in my country, and the trend is increasing day by day. Soil pollution can affect the decline of crop yield and quality, and can endanger human health through the food chain, and can also lead to further deterioration of air and water environment quality. Therefore, the control of soil pollution is urgent. [0003] The porous structure of biochar and the abundant oxygen-containing functional groups on the surface make biochar have a strong ability to ...

Claims

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Application Information

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IPC IPC(8): C09K17/40B09C1/00B09C1/10
Inventor 张洪
Owner 成都知联汇科技有限公司
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