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Bacillus megatherium capable of degrading polycyclic aromatic hydrocarbon and application thereof

A Bacillus, polycyclic aromatic hydrocarbon technology, applied in bacteria, microorganism-based methods, microorganisms, etc., can solve problems such as slow natural degradation rate and health threat

Inactive Publication Date: 2013-05-08
BEIJING UNIV OF CHEM TECH
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  • Claims
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Problems solved by technology

Due to the extremely slow natural degradation rate, the accumulation of polycyclic aromatic hydrocarbons in the environment continues to increase with industrial development, posing a great threat to national health

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  • Bacillus megatherium capable of degrading polycyclic aromatic hydrocarbon and application thereof

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Embodiment Construction

[0010] The strains were extracted from river mud and cultured, and the continuous acclimatization method with high concentration of polycyclic aromatic hydrocarbon phenanthrene as the only carbon source lasted for one month; with six different organophosphorus pesticides OP-DDT, PP-DDE, PP-DDD , PP-DDT, methyl parathion and parathion were re-screened, and the strains with high tolerance to organophosphorus pesticides were selected, and the screened strains were preserved in the China Microbiological Culture Collection Management Committee for common microbial culture preservation Management Center, the deposit number is CGMCC 6900.

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Abstract

The invention discloses bacillus megatherium capable of degrading polycyclic aromatic hydrocarbon and application thereof. The bacillus megatherium has the collection number of CGMCC 6900 and is preserved in China General Microbiological Culture Collection Center. The bacillus megatherium has high long-term tolerance and degradation capacity in high-concentration polycyclic aromatic hydrocarbon, and the defects of low environmental tolerance in actual lab strain application at present can be solved.

Description

Technical field [0001] The present invention is a field of environmental protection. Specifically, it involves a huge bacteria and its applications that can be used for environmental protection. Background technique [0002] The organic compounds of the polygon aromatic hydrocarbons (PAHS) are more than one -third of the carcinogenic objects in more than 1,000 environments. The polygon aromatic hydrocarbons in the environment are mainly derived from coal combustion, petroleum cracking, and wastewater in industrial production.Due to the extremely slow natural degradation rate, the cumulative volume of polygon arbiters in the environment has continued to increase with industrial development, which has greatly threatened the health of the people.In recent years, it is not uncommon for carcinogenic and teratogenic cases caused by polygon aromatic hydrocarbons. The degradation and treatment of multi -ring aromatics has become an important issue for today's environmental strategies.The...

Claims

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Application Information

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IPC IPC(8): C12N1/20A62D3/02C12R1/11A62D101/20
Inventor 周延于雅囡
Owner BEIJING UNIV OF CHEM TECH