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Mercury polluted soil repairing agent and production method thereof

A soil remediation agent and mercury-polluted technology, applied in the field of soil remediation, can solve the problems of destroying the normal metabolism of cells, degrading or reducing toxicity, affecting human body functions, etc., achieving the effect of broad market prospects, reduced mercury activity, and good economic benefits

Inactive Publication Date: 2018-03-27
GUILIN CHUNXIAO ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Destroy the normal metabolism of cells and affect the functions of the human body; the organic mercury in the soil not only cannot be degraded by microorganisms or reduce its toxicity, but will be converted into more toxic methylmercury through methylation, causing greater harm to organisms

Method used

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  • Mercury polluted soil repairing agent and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The mercury-contaminated soil remediation agent of this embodiment is made of the following raw materials: 10 kg of bamboo charcoal with a particle size of 50-100 mesh, 15 kg of kaolin with a particle size of 50-100 mesh, 5 kg of corncobs, and plant ash with a particle size of 100-150 mesh 16kg, thiosulfate 5kg, Dunaliella 15kg, Pistacia 6kg and sepiolite with a particle size of 50-100 mesh 10kg.

[0021] The preparation method of the above-mentioned mercury-contaminated soil remediation agent comprises the steps of: taking raw materials of the following weight: 10 kg of bamboo charcoal with a particle size of 50-100 mesh, 15 kg of kaolin with a particle size of 50-100 mesh, 5 kg of corncobs, and 100-150 mesh of particle size. 16 kg of plant ash, 5 kg of thiosulfate, 15 kg of Dunaliella, 6 kg of pistachio and 10 kg of sepiolite with a particle size of 50-100 mesh, mixed uniformly, extruded and granulated to obtain the mercury-contaminated soil remediation agent.

Embodiment 2

[0023] The mercury-contaminated soil remediation agent of this embodiment is made of the following raw materials: 15 kg of bamboo charcoal with a particle size of 50-100 mesh, 10 kg of kaolin with a particle size of 50-100 mesh, 10 kg of corncobs, and plant ash with a particle size of 100-150 mesh 11kg, thiosulfate 10kg, Dunaliella 10kg, Pistacia 11kg and sepiolite with a particle size of 50-100 mesh 7kg.

[0024] The preparation method of the above-mentioned mercury-contaminated soil remediation agent comprises the steps of: taking raw materials of the following weight: 15 kg of bamboo charcoal with a particle size of 50-100 mesh, 10 kg of kaolin with a particle size of 50-100 mesh, 10 kg of corncobs, and 100-150 mesh of particle size 11kg of target plant ash, 10kg of thiosulfate, 10kg of Dunaliella, 11kg of Pistacia chinensis and 7kg of sepiolite with a particle size of 50-100 mesh, mixed uniformly, extruded and granulated to obtain the mercury-contaminated soil remediation a...

Embodiment 3

[0026] The mercury-contaminated soil remediation agent of this embodiment is made of the following raw materials: 20 kg of bamboo charcoal with a particle size of 50-100 mesh, 5 kg of kaolin with a particle size of 50-100 mesh, 15 kg of corncobs, and plant ash with a particle size of 100-150 mesh 6kg, thiosulfate 15kg, Dunaliella 5kg, Pistacia 16kg and sepiolite with a particle size of 50-100 mesh 4kg.

[0027] The preparation method of the above-mentioned mercury-contaminated soil remediation agent comprises the steps of: taking raw materials of the following weight: 20 kg of bamboo charcoal with a particle size of 50-100 mesh, 5 kg of kaolin with a particle size of 50-100 mesh, 15 kg of corncobs, and 100-150 mesh of particle size 6 kg of plant ash, 15 kg of thiosulfate, 5 kg of Dunaliella, 16 kg of Pistacia chinensis and 4 kg of sepiolite with a particle size of 50-100 mesh, mixed uniformly, extruded and granulated to obtain the mercury-contaminated soil remediation agent.

...

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Abstract

The invention discloses a mercury polluted soil repairing agent and a production method thereof and belongs to the technical field of soil repairing. The mercury polluted soil repairing agent is prepared from the following raw materials in parts by weight: 10 to 20 parts of bamboo charcoal, 5 to 15 parts of kaolin, 5 to 15 parts of corncobs, 6 to 16 parts of plant ash, 5 to 15 parts of thiosulfate, 5 to 15 parts of dunaliella, 6 to 16 parts of folium pistaciae chinensis and 4 to 10 parts of sepiolite. The repairing agent disclosed by the invention has a strong treatment capability and does notcause secondary pollution; polluted soil is effectively repaired while mercury in the soil is effectively passivated and fixed, so that the activity of the mercury in the soil is remarkably reduced;the mercury concentration of the repaired soil meets the requirements of National Second-level Soil Quality Standards; the mercury polluted soil repairing agent has good economic benefits and wide social benefits.

Description

technical field [0001] The invention relates to a mercury-polluted soil remediation agent and a preparation method thereof, belonging to the technical field of soil remediation. Background technique [0002] Soil heavy metal pollution refers to human activities, the content of trace metal elements in the soil exceeds the background value, and the excessive content caused by excessive deposition is collectively referred to as soil heavy metal pollution. Heavy metal pollution in farmland soil is extremely harmful. Heavy metal pollution in soil will not only reduce crop yield and quality, but also enter the human body through the soil-plant system and the food chain, endangering human health and life safety. Soil heavy metal pollution has the characteristics of concealment, hazard lag, long-term nature, and bioaccumulation of heavy metals in the biological chain. These determine that if the understanding and treatment of soil heavy metal pollution are delayed, it will bring unp...

Claims

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Application Information

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IPC IPC(8): C09K17/40B09C1/08C09K101/00
CPCC09K17/40B09C1/08C09K2101/00
Inventor 黄云鸿李力
Owner GUILIN CHUNXIAO ENVIRONMENTAL PROTECTION TECH CO LTD
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