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Effect of addition of amino acids on microfiltration behavior of a microorganism slurry
Author(s) -
Ohmori Kazushige,
Iritani Eiji
Publication year - 2004
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.1047
Subject(s) - corynebacterium glutamicum , slurry , amino acid , microorganism , filtration (mathematics) , chemistry , ammonium , microfiltration , lysine , chromatography , escherichia coli , biochemistry , food science , bacteria , organic chemistry , biology , membrane , materials science , genetics , statistics , mathematics , gene , composite material
The effect of the addition of amino acids on the microfiltration behavior of Escherichia coli ( E coli ) and Corynebacterium glutamicum ( C glutamicum ) slurry was examined using a dead‐end microfilter. It was found that the average specific filtration resistance, α av , of a slurry of microorganisms increased markedly by adding amino acids. Amino acid concentration ranged from 110 to 876 mol m −3 . However the same concentration of ammonium chloride did not increase α av . The cells were found to disperse in the presence of lysine, and this caused an increase in α av . In the case of kaolin slurry, α av was not affected by adding amino acids. Copyright © 2004 Society of Chemical Industry
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