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Brevibacterium aureum AN3 and use thereof in degrading malachite green and other dyes

A Brevibacterium, golden yellow technology, applied in the direction of bacteria, microorganism-based methods, microorganisms, etc., can solve the problems of incomplete degradation, no detection of Brevibacterium aureus degrading dyes, etc., to improve efficiency, good market application prospects, and improve the ecological environment. quality effect

Inactive Publication Date: 2010-12-01
GUANGDONG INST OF MICROORGANISM
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most of these bacteria can only partially degrade one dye under anaerobic conditions
Brevibacterium aureus has not been found to have the function of degrading dyes

Method used

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  • Brevibacterium aureum AN3 and use thereof in degrading malachite green and other dyes

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Abstract

The invention relates to a new strain golden Brevibacterium strain AN3 CGMCC No.2193, and application thereof in degrading triphenyl methane dyes and azo dyes such as malachite green. The golden Brevibacterium strain AN3 is obtained by separating and purifying activated sludge in an anaerobic baffled reactor system used for treating printing and dyeing wastewater by an research institute in Guangzhou, can degrade the triphenyl methane dyes in a mode of benzene ring detoxication under a facultative anaerobic condition that the temperature is between 25 and 37 DEG C and the pH value is between 6.0 and 8.5, and has significant capability on degrading the prior triphenyl methane dyes and azo dyes such as the malachite green which bring about serious pollution to aquatic products and are used in the form of a fungicide, wherein the removal rate of the golden Brevibacterium strain to the malachite green with the concentration of 50 milligrams per liter is 61.4 percent in 8 hours and is 97.3percent in 16 hours, and the highest tolerable concentration thereof is 500 milligrams per liter, so that the strain golden Brevibacterium strain can effectively solve the problems of pollution and purification caused by the malachite green in an aquaculture environment.

Description

Application of Brevibacterium aureus AN3 and its degradation of malachite green and other dyes technical field The invention relates to a new strain of Brevibacteriumaureum (Brevibacteriumaureum) AN3 and its application in degrading triphenylmethane dyes such as malachite green and azo dyes. Background technique Dye molecule is a kind of artificially synthesized complex aromatic hydrocarbon compound. According to the statistics of C.I. (ColorInder) in the United States, there are as many as 10,000 kinds of dyes currently in use. They not only have specific colors, but also have complex structures and low biodegradability. "effect. These synthetic dyes are widely used in a variety of industries. Due to their complex structure and slow natural degradation rate, they cause serious pollution to the water environment. Therefore, the treatment of residual dyes in the environment is one of the hot and difficult points of current research. Studying the biodegradation characteris...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12R1/13C02F3/28C12N1/20
Inventor 任随周孙国萍曾国驱陈亮张培培卫晋波陈进林
Owner GUANGDONG INST OF MICROORGANISM