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A kind of pseudomonas and its use and method for removing cadmium pollution in environment

A technology for Pseudomonas and cadmium pollution, which is applied in the field of heavy metal pollutants treatment and microorganisms, can solve the problems of easy poisoning of microorganisms, long action time, and limited ability of microorganisms to remove heavy metals, and achieves less poisoning failure, faster action, and lower cost. low effect

Active Publication Date: 2011-12-21
武汉华中农大资产经营有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But at the same time, the ability of microorganisms to remove heavy metals is relatively limited, it takes a long time to act, and microorganisms are easily poisoned

Method used

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  • A kind of pseudomonas and its use and method for removing cadmium pollution in environment
  • A kind of pseudomonas and its use and method for removing cadmium pollution in environment
  • A kind of pseudomonas and its use and method for removing cadmium pollution in environment

Examples

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Effect test

Embodiment 1

[0025] Example 1: A species of Pseudomonas bacterium named Pseudomonas putida HN103, the date of deposit is: May 26, 2011, the depository unit is: CCTCC, and the deposit number of the depository center is: CCTCC NO: M2011184; the Pseudomonas Pseudomonas putida HN103, hereinafter referred to as: Pseudomonas HN103, its morphological and physiological and biochemical characteristics include: 1) On the culture medium, colonies are colorless and transparent at first, and then become white, smooth, convex lens-shaped, with irregular edges; 2) bacteria Physical examination revealed short bacilli, Gram-negative bacteria.

Embodiment 2

[0026] Example 2: Different from the above examples, the morphological and physiological and biochemical characteristics of Pseudomonas HN103 also include: Pseudomonas HN103 bacterial starch decomposition ability test is negative, has catalase activity, and does not metabolize tryptophan to produce indole Indole ability, motility, belonging to facultative anaerobic bacteria.

Embodiment 3

[0027] Example 3: Different from the above examples, the morphological and physiological and biochemical characteristics of Pseudomonas HN103 also include: the concentration of heavy metal ions normally grown in heavy metal ion sewage is less than or equal to 1000mg / L; it has the characteristics of adsorbing heavy metal ions to the cell wall, Rapidly reduce heavy metal ions in heavy metal sewage.

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Abstract

The invention relates pseudomonas, use thereof and a method for removing cadmium pollution to the environment. The pseudomonas class is named pseudomonas putidaHN103 and the collection number in a collection center is CCTCCNo.M2011184; and the shape and characteristics of the pseudomonas putidaHN103 comprise: 1) on a culture medium, a bacterial colony which used to be colorless and transparent turns white, smooth and convex-like with irregular edges; and 2) according to the result of bacterial microscopic examination, pseudomonas belongs to brevibacterium and is gram negative. The use of the bacteria is the use of the bacteria as a biological repair material for removing cadmium pollution. The method for removing cadmium pollution to the environment comprises the following steps: 1) regulating the cadmium ion concentration in sewage to a range in which pseudomonas can grow normally; 2) placing pseudomonas; 3) keeping the pseudomonas in the sewage for a certain time period; and 4) removing bacterial absorbing cadmium ions. The pseudomonas requires small investment, is low in cost, high in adaptability and capable of effectively removing cadmium, can quickly and obviously lower the concentration of cadmium ions in the environment and is suitable for biological remediation environments polluted by cadmium.

Description

technical field [0001] The invention relates to a pseudomonas bacterium and its use and a method for removing cadmium pollution in the environment, which is suitable for cadmium pollution and bioremediation of environments polluted by various heavy metals, and belongs to the technical field of heavy metal pollutant treatment and microorganisms. Background technique [0002] Cadmium metal generally exists widely in nature in natural concentrations, but with the development of various heavy metal mining, smelting, processing and electronic industry and other applied manufacturing industries, heavy metal elements such as cadmium have entered the atmosphere, water, and soil in large quantities, causing severe pollution, which seriously threatens the survival of human beings and creatures and the safety of the ecological environment. [0003] Cadmium element has strong biological toxicity, and its chemical properties are similar to zinc. In various biochemical processes, cadmium ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20A62D3/02C02F3/34C12R1/40A62D101/43C02F101/20
Inventor 陈正军付臻鹏梁运祥葛向阳王绩胡咏梅梅余霞赵述淼彭楠
Owner 武汉华中农大资产经营有限公司
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