Microbacterium sp.T3 with tolerance on heavy metals and application thereof

A heavy metal, tolerance technology, applied in the direction of bacteria, water pollutants, water/sludge/sewage treatment, etc., can solve the problem of less bacteria, and achieve the effect of strong vitality, no secondary pollution, and low cost
CN102127516BActive Publication Date: 2012-07-04CENT SOUTH UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CENT SOUTH UNIV
Publication Date
2012-07-04

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Abstract

The invention discloses a Microbacterium sp.T3 with tolerance on heavy metals and application thereof. The Microbacterium sp.T3 is preserved with the number of CGMCCNo.4282. The bacterium can tolerate a plurality of heavy metals such as Pb<2+>, Cr<6+>, Mn<2+>, Zn<2+>, Cu<2+>, Ni<2+>, Cd<2+>, Co<2+>, Ag<+>, Hg<2+>, and the like, particularly has the tolerance concentration on the Pb<2+> and the Mn<2+> respectively reaching 2000mg / L and 1000mg / L. Strains are activated, cultured, collected, cleaned and dried to prepare an adsorbent in which heavy metals are removed. The maximum adsorption capacity on Pb<2+> as one of the heavy metals can reach 87.49mg / L.
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Description

technical field

[0001] The invention relates to a bacterial strain tolerant to multiple heavy metals and an application method for preparing a biosorbent by using the bacterial strain. Background technique

[0002] The development of industrialization has brought severe heavy metal pollution, which poses a huge threat to the ecological environment and human health due to its non-degradable and bioaccumulative characteristics. Traditional wastewater treatment methods mainly include precipitation, adsorption, electrolysis, and membrane separation. However, these methods generally have disadvantages such as high investment cost, secondary pollution, and poor treatment effect on trace heavy metals. Due to its low cost and wide range of material sources, biosorption has gradually become a research hotspot.

[0003] The microorganisms isolated and screened from soil polluted by heavy metals, due to the stress of heavy metals in the living environment, can not only have a certain...

Claims

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