Microorganisms, selenium acid compound-reducing agent, method for reducing and method for removing selenium acid compound, and process for producing metallic selenium
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United States of America Patent
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Sep 24, 2013
Grant Date -
Aug 25, 2011
app pub date -
Jun 17, 2009
filing date -
Jun 18, 2008
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Abstract
Disclosed are novel microorganisms having an excellent ability to reduce selenium acid compounds, a selenium acid compound-reducing agent comprising such microorganism(s) as an active ingredient, a method for reducing and a method for removing a selenium acid compound with use of such microorganism(s), and a process for producing metallic selenium. The microorganisms of the present invention are Aeromonas sp. strain JPCC SEP JP-1, Klebsiella sp. strain JPCC SEP JP-2, and Sulfurospirillum sp. strain JPCCY SEP-3. Also disclosed are a method for reducing a selenium acid compound comprising the step of co-culturing these microorganisms under the presence of a selenium acid compound, and a process for producing metallic selenium comprising the steps of: co-culturing these microorganisms under the presence of a selenium acid compound; and separating the thus produced culture product.
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