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Mercury polluted soil repairing agent and preparation 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: 2018-01-19
侯玉德
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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 preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The mercury-contaminated soil remediation agent of the present embodiment is made of the following raw materials: 10 kg of shell powder with a particle diameter of 50 mesh, 20 kg of kaolin with a particle diameter of 50 mesh, 5 kg of chitosan, 9 kg of shell powder with a particle diameter of 50 mesh, sulfur Potassium sulfate 4kg, chlorococcus 10kg, diopside 5kg and particle diameter are 50 mesh sepiolite 20kg.

[0023] The preparation method of the above-mentioned mercury-contaminated soil remediation agent comprises the following steps:

[0024] Get the raw materials of following weight: particle diameter is 50 mesh shell powder 10kg, particle diameter is 50 mesh kaolin 20kg, chitosan 5kg, particle diameter is 50 mesh shell powder 9kg, potassium thiosulfate 4kg, chlorococcus 10kg, diaphanous 5kg of limestone and 20kg of sepiolite with a particle diameter of 50 meshes were uniformly mixed, extruded and granulated to obtain the mercury-contaminated soil remediation agent...

Embodiment 2

[0026] The mercury-contaminated soil remediation agent of the present embodiment is made of the following raw materials: particle diameter is 75 mesh shell powder 15kg, particle diameter is 75 mesh kaolin 15kg, chitosan 10kg, particle diameter is 75 mesh shell powder 6kg, sulfur Potassium sulfate 7kg, chlorococcus 7kg, diopside 10kg and particle diameter are 50 mesh sepiolite 15kg.

[0027] The preparation method of the above-mentioned mercury-contaminated soil remediation agent comprises the following steps:

[0028] Get the raw materials of following weight: particle diameter is 75 mesh shell powder 15kg, particle diameter is 75 mesh kaolin 15kg, chitosan 10kg, particle diameter is 75 mesh shell powder 6kg, potassium thiosulfate 7kg, chlorococcus 7kg, diaphanous Stone 10kg and particle diameter are 50 mesh sepiolite 15kg, mix uniformly, extrude granulation, promptly obtain described mercury polluted soil remediation agent.

Embodiment 3

[0030] The mercury-contaminated soil remediation agent of the present embodiment is made of the following raw materials: 20 kg of shell powder with a particle diameter of 100 mesh, 10 kg of kaolin with a particle diameter of 100 mesh, 15 kg of chitosan, 3 kg of shell powder with a particle diameter of 100 mesh, sulfur Potassium disulfate 10kg, Chlorella 4kg, Diopside 15kg and particle diameter are 100 mesh sepiolite 10kg.

[0031] The preparation method of the above-mentioned mercury-contaminated soil remediation agent comprises the following steps:

[0032] Get the raw materials with the following weight: particle diameter is 100 mesh shell powder 20kg, particle diameter is 100 mesh kaolin 10kg, chitosan 15kg, particle diameter is 100 mesh shell powder 3kg, potassium thiosulfate 10kg, chlorococcus 4kg, diaphanous Stone 15kg and particle diameter are 100 mesh sepiolite 10kg, mix uniformly, extrude granulation, promptly obtain described mercury polluted soil remediation agent. ...

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Abstract

The invention discloses a mercury polluted soil repairing agent and a preparation method thereof, and belongs to the technical field of soil repairing. The mercury polluted soil repairing agent is prepared from, by weight, 10-20 parts of shell powder, 10-20 parts of kaolin, 5-15 parts of chitosan, 3-9 parts of shell powder, 4-10 parts of thiosulfate, 4-10 parts of chlorella, 5-15 parts of diopsideand 10-20 parts of sepiolite. The repairing agent has the advantages of strong treatment ability, no secondary pollution, realization of effective passivation and fixation of mercury in the soil andeffective repairing of the polluted soil, realization of remarkable reduction of the activity of the mercury in the soil, realization of the mercury concentration in the polluted soil meeting the requirements of national secondary soil quality standards, very good economic benefit and wide social benefit.

Description

technical field [0001] The invention relates to a mercury-contaminated 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...

Claims

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Application Information

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IPC IPC(8): C09K17/40B09C1/08C09K101/00
Inventor 侯玉德
Owner 侯玉德
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