Deep-sea microbacterium with tolerance to vanadium and use thereof

A deep-sea microbacteria, a technology for use, applied in the field of microorganisms, to achieve the effects of high tolerance, fast growth speed, and high tolerance concentration
CN106148239BActive Publication Date: 2019-04-30CHENGDU UNIVERSITY OF TECHNOLOGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHENGDU UNIVERSITY OF TECHNOLOGY
Publication Date
2019-04-30

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Abstract

The invention belongs to the field of microbes, and in particular relates to a deep-sea microbacterium resistant to vanadium and its application. The technical problem to be solved by the invention is to provide a technical solution for the bioremediation of the environment polluted by heavy metals. The technical solution of the present invention to solve the technical problem is to provide a deep-sea microbacterium Exiguobacterium profundum PFWT01, and its preservation number is CCTCC NO: M2016175. In addition to being highly resistant to vanadium, the bacterium has tolerance to heavy metals such as Cr, Pb, Cu, Ni, Co, etc., and its tolerance to vanadium is as high as 2000mg / L; The ability to reduce to tetravalent vanadium, with a conversion rate of 54.33%, can reduce the toxicity of high-valent vanadium in the solution, especially for the removal of vanadium toxicity in high-vanadium-toxic liquid environments polluted by other heavy metals. It has a good application prospect in restoration.
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Description

technical field

[0001] The invention belongs to the field of microorganisms, and in particular relates to a deep-sea microbacterium with tolerance to vanadium and use thereof. Background technique

[0002] Heavy metal pollution is becoming more and more serious. With the discharge of a large amount of industrial waste, agricultural waste water and domestic sewage, heavy metal pollutants are also discharged together, causing heavy metal pollution in water. After heavy metals are discharged into the environment, they are not easily degraded and can accumulate in the environment for a long time. Improper handling of heavy metals will lead to the release of a large number of potentially carcinogenic and mutagenic toxic compounds, resulting in heavy metal pollution that is very harmful to organisms and the environment. Therefore, it is crucial to strengthen heavy metal pollution control and improve human health and ecosystem security.

[0003] Vanadium is a silver-gray metal wit...

Claims

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