Heavy metal soil remediation agent and preparation method thereof

A soil remediation agent and heavy metal technology, applied in the field of soil remediation, can solve the problems of soil structure damage, loss of nutrient elements, high treatment cost, etc., and achieve the effect of reducing heavy metal pollutants, reasonable formula, and simple preparation method

Inactive Publication Date: 2017-05-17
黄之喜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the treatment methods for soil heavy metal pollution mainly include immobilization/stabilization, leaching, soil washing, electrokinetic remediation, chemical reduction, phytoremediation, and microbial remediation. There are generally probl

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A heavy metal soil restoration agent is composed of the following formula components in parts by mass: 10-20 parts of activated carbon fiber, 5-7 parts of phosphate compound, 4-6 parts of polyamide fiber, 5-6 parts of sodium bismuthate, amino polycarboxylate 14-16 parts of acid, 16-18 parts of biological emulsifier, 6-10 parts of sodium lignosulfonate, 6-8 parts of organic acid, 2-4 parts of organic matter, and 3-5 parts of sodium sulfide.

Embodiment 2

[0022] A heavy metal soil remediation agent is composed of the following formula components in parts by mass: 10 parts of activated carbon fiber, 5 parts of phosphate compound, 4 parts of polyamide fiber, 5 parts of sodium bismuthate, 14 parts of amino polycarboxylic acid, 16 parts of biological emulsifier 6 parts, 6 parts of sodium lignosulfonate, 6 parts of organic acid, 2 parts of organic matter, 3 parts of sodium sulfide.

Embodiment 3

[0024] A heavy metal soil restoration agent is composed of the following formula components in parts by mass: 15 parts of activated carbon fiber, 6 parts of phosphate compound, 5 parts of polyamide fiber, 5.5 parts of sodium bismuthate, 15 parts of amino polycarboxylic acid, and 17 parts of biological emulsifier parts, 8 parts of sodium lignosulfonate, 7 parts of organic acid, 3 parts of organic matter, and 4 parts of sodium sulfide.

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PUM

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Abstract

The invention discloses a heavy metal soil remediation agent and a preparation method thereof. The heavy metal soil remediation agent is composed of the following formula ingredients in parts by mass: 10-20 parts of activated carbon fibers, 5-7 parts of a phosphate compound, 4-6 parts of polyamide fibers, 5-6 parts of sodium bismuthate, 14-16 parts of aminopolycanboxylic acid, 16-18 parts of a bio-emulsifier, 6-10 parts of sodium lignin sulfonate, 6-8 parts of organic acid, 2-4 parts of organic matters and 3-5 parts of sodium sulfide. The heavy metal soil remediation agent disclosed by the invention is reasonable in formula, the preparation method is simple, multiple heavy metal pollutants in soil can be effectively reduced, the soil air permeability can be improved, the growth environment of crops can be improved, and the heavy metal soil remediation agent is environment-friendly and green.

Description

technical field [0001] The invention relates to the field of soil restoration, in particular to a heavy metal soil restoration agent and a preparation method thereof. Background technique [0002] According to the "National Soil Pollution Survey Bulletin" issued by the Ministry of Environmental Protection and the Ministry of Land and Resources in 2014, the overall situation of the national soil environment is not optimistic, the soil pollution in some areas is relatively serious, the quality of the soil environment of cultivated land is worrying, and the soil environment problems of industrial and mining wasteland are prominent. . Man-made activities such as industry, mining, agriculture, and high background values ​​of the soil environment are the main causes of soil pollution or exceeding standards. The total exceeding rate of national soil is 16.1%, of which the proportions of slightly, lightly, moderately and heavily polluted sites are 11.2%, 2.3%, 1.5% and 1.1% respect...

Claims

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Application Information

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IPC IPC(8): C09K17/40C09K101/00
CPCC09K17/40C09K2101/00
Inventor 黄之喜
Owner 黄之喜
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