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Deodorizer for organic pesticide-polluted soil as well as preparing method and application of deodorizer

A technology of polluted soil and organic pesticides, which is applied in the restoration, deodorization, and disinfection of polluted soil. It can solve problems such as pollution and environmental pollution, and achieve the effects of reducing odor indicators, low cost, and simple use methods.

Inactive Publication Date: 2015-10-21
武汉钢铁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of sludge or sudden pollution polluted by sewage and discharge intermediates from pesticide factories, and at the same time solve the problem of environmental pollution caused by soil restoration during the process of land transfer in pesticide factories, and provide an organic pesticide-contaminated soil Deodorant and its preparation method and application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The mass percent of each component of the deodorant is shown in Table 1.

[0022] The preparation method is as follows: measure and weigh each component according to the proportion, dry until the moisture content is less than 1%, put it into the closed mixing system according to the ratio of raw materials, mix evenly, and then pack it with a baler or an air pressure pump. Store in a vacuum tank.

[0023] Take the polluted soil from Jingzhou Sanonda Pesticide Factory, mix it with silt according to the mass fraction of 1%, the mold is solidified after mixing, demolded after 1 day, and the toxic content of organic phosphorus is measured after 7 days of curing. The results show that the organic phosphorus leaching results meet the requirements of the national standard Environment-related standard discharge thresholds.

Embodiment 2

[0025] The mass percent of each component of the deodorant is shown in Table 1.

[0026] The preparation method is as follows: measure and weigh each component according to the proportion, dry until the moisture content is less than 1%, put it into the closed mixing system according to the ratio of raw materials, mix evenly, and then pack it with a baler or an air pressure pump. Store in a vacuum tank.

[0027] Take the sludge from the insecticidal double workshop of Wuhan Tianmen Kanghui Pesticide Factory, mix it with silt according to the mass fraction of 2%, the mold is consolidated after mixing, demolded after 1 day, and the toxic content of organic phosphorus is measured after 7 days of curing. The result shows that the organic phosphorus is leached The results meet the emission threshold of the national environment-related standards.

Embodiment 3

[0029] The mass percent of each component of the deodorant is shown in Table 1.

[0030] The preparation method is as follows: measure and weigh each component according to the proportion, dry until the moisture content is less than 1%, put it into the closed mixing system according to the ratio of raw materials, mix evenly, and then pack it with a baler or an air pressure pump. Store in a vacuum tank.

[0031] Take the sludge from the insecticidal single workshop of Tianmen Kanghui Pesticide Factory in Wuhan, mix it with silt according to the mass fraction of 2%, the mold is consolidated after mixing, demolded after 1 day, and the toxic content of organophosphorus is measured after 7 days of curing. The results meet the emission threshold of the national environment-related standards.

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Abstract

The invention discloses a deodorizer for organic pesticide-polluted soil. The deodorizer comprises the following raw materials in parts by mass: 35 to 40 parts of limestone powder, 20 to 30 parts of calcium bentonite, 15 to 20 parts of calcium silicate, 10 to 20 parts of secondary coal ash and 10 to 15 parts of desulfurized fly ash. A preparing method comprises the following steps that all ingredients are proportionally metered and weighed; after being dried, the ingredients are put into a sealed mixing and stirring system to be uniformly mixed and stirred according to the raw material mixture ratio; finally, film covering packaging is carried out through a packaging machine or the materials are conveyed into a vacuum tank to be stored through an air pressure pump; during the application, the mass ratio of the deodorizer to the pesticide-polluted sludge is (0.1-2):100. The deodorizer has the advantages that the deodorizer is safe for environment and does not have toxic or side influence; main raw materials are taken from industrial waste slag; the cost is low; the effect of treating waste by waste is achieved.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to a deodorizer for treating soil polluted by organic pesticides. Background technique [0002] my country is a large agricultural country, and the production and demand of pesticides are huge. In the process of pesticide production, a large amount of sludge will be generated due to the treatment of pesticide-containing wastewater. This part of the sludge is polluted by pesticides and needs to be treated urgently. [0003] We checked the published literature and found that there are reports about deodorants: 1) A deodorant that can suppress the odor concentration below the specified level and can be used semi-permanently, and is to disperse clay minerals with a tunnel structure into gypsum, Minerals with larger pore diameter than the above gypsum are added and shaped as required. 2) A deodorant and its preparation method and application, the deodorant consists of m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/08A61L9/014A61L101/12A61L101/24
Inventor 朱书景
Owner 武汉钢铁有限公司
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