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Bioactive soil conditioner for repairing chromium pollution of soil as well as preparation method and application of bioactive soil conditioner

A soil conditioner and a biologically active technology are applied in the field of a biologically active soil conditioner for remediating chromium pollution in soil and its preparation field, which can solve the problems of unsatisfactory chromium removal effect, long time consumption of heavy metals, impact on economic benefits and the like, and achieve broad economic benefits. and social benefits, high chromium removal efficiency, and the effect of increasing soil nutrient content

Pending Publication Date: 2022-01-28
SHIKEFENG CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it takes a long time for the restoration plants used in this restoration technology to absorb and enrich the heavy metals in the farmland soil, and the removal effect of chromium is not ideal, which seriously affects the economic benefits.

Method used

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  • Bioactive soil conditioner for repairing chromium pollution of soil as well as preparation method and application of bioactive soil conditioner
  • Bioactive soil conditioner for repairing chromium pollution of soil as well as preparation method and application of bioactive soil conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A biologically active soil conditioner for repairing chromium pollution in soil, prepared from the following raw materials in parts by weight: 30 parts of humic acid, 15 parts of attapulgite, 15 parts of biogas residue, 10 parts of urea, and 5 parts of solid fermentation microbial bacterial agent , 1 part of stabilizer, 0.5 part of ferrous sulfate; the solid fermentation microbial bacterial agent is obtained by mixing the quality of the cockroach agent and the bacillus cereus agent.

[0035] The Kocuria strain in this example was purchased from the China Center for Type Culture Collection, address: Wuhan University Campus, No. 299 Bayi Road, Wuchang District, Wuhan City, Hubei Province, and the preservation number is CCTCC AB 206106.

[0036] The Bacillus cereus strain (Bacillus) of this example was purchased from China Center for Type Culture Collection, address: Wuhan University Campus, No. 299 Bayi Road, Wuchang District, Wuhan City, Hubei Province, and the preservati...

Embodiment 2

[0053] A biologically active soil conditioner for repairing chromium pollution in soil, prepared from the following raw materials in parts by weight: 40 parts of humic acid, 20 parts of attapulgite, 18 parts of biogas residue, 13 parts of urea, and 8 parts of solid fermentation microbial bacterial agent , 2 parts of stabilizer, 1 part of ferrous sulfate; the solid fermented microbial agent is obtained by mixing the quality of the cockroach agent and the bacillus cereus agent.

[0054] The Kocuria strain in this example was purchased from the China Center for Type Culture Collection, address: Wuhan University Campus, No. 299 Bayi Road, Wuchang District, Wuhan City, Hubei Province, and the preservation number is CCTCC AB 206106.

[0055] The Bacillus cereus strain (Bacillus) of this example was purchased from China Center for Type Culture Collection, address: Wuhan University Campus, No. 299 Bayi Road, Wuchang District, Wuhan City, Hubei Province, and the preservation number is C...

Embodiment 3

[0070] A biologically active soil conditioner for repairing chromium pollution in soil, which is prepared from the following raw materials in parts by weight: 50 parts of humic acid, 25 parts of attapulgite, 20 parts of biogas residue, 15 parts of urea, and 10 parts of solid fermentation microbial bacterial agent , 3 parts of stabilizer, 1.5 parts of ferrous sulfate; the solid fermentation microbial bacterial agent is obtained by mixing the quality of the Corkia bacterium agent and the Bacillus cereus agent.

[0071] The Kocuria strain in this example was purchased from the China Center for Type Culture Collection, address: Wuhan University Campus, No. 299 Bayi Road, Wuchang District, Wuhan City, Hubei Province, and the preservation number is CCTCC AB 206106.

[0072] The Bacillus cereus strain (Bacillus) of this example was purchased from China Center for Type Culture Collection, address: Wuhan University Campus, No. 299 Bayi Road, Wuchang District, Wuhan City, Hubei Province,...

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Abstract

The invention discloses a bioactive soil conditioner for repairing chromium pollution of soil as well as a preparation method and application of the bioactive soil conditioner, and belongs to the technical field of soil pollution treatment. The bioactive soil conditioner is prepared from the following raw materials in parts by weight: 30-50 parts of humic acid, 15-25 parts of attapulgite, 15-20 parts of biogas residues, 10-15 parts of urea, 5-10 parts of a solid fermentation microbial agent, 1-3 parts of a stabilizer and 0.5-1.5 parts of ferrous sulfate. The bioactive soil conditioner disclosed by the invention can effectively reduce the content of hexavalent chromium in soil, increase the content of nutrient substances in the soil and regulate the physicochemical properties of the soil, and the compound use of microorganisms can improve the disease resistance of crops and improve the yield and quality of the crops while regulating the soil environment; and the bioactive soil conditioner is safe, environment-friendly, pollution-free, high in chromium removal efficiency, convenient to use and particularly suitable for treatment of chromium-polluted soil, and has wide economic benefits and social benefits.

Description

technical field [0001] The invention belongs to the technical field of soil pollution control, and in particular relates to a biologically active soil conditioner for repairing chromium pollution in soil, a preparation method and application thereof. Background technique [0002] Due to the extensive use of pesticides and fertilizers, mining and smelting of heavy metal minerals, and sewage irrigation, many farmlands are seriously polluted by heavy metals. The most common heavy metal pollutant in farmland heavy metals is chromium, which seriously affects food safety. [0003] One of the heavy metals, the toxicity of chromium has a great relationship with its form. It is generally believed that the toxicity of hexavalent chromium is a hundred times that of trivalent chromium. For the human body, the toxic effect of hexavalent chromium is manifested in the following aspects. One is the damage to the skin, which can lead to chromic dermatitis, skin ulcers and rashes; the other...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40C12N1/20C12N11/14C12R1/01C12R1/085C09K101/00
CPCC09K17/40C12N1/20C12N11/14C09K2101/00
Inventor 解晓梅朱红梅刘伟申智凯刘月田巩俊花韩超王越张凯
Owner SHIKEFENG CHEM IND
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