Method for evaluating an optimal dosage of defoamers in a fermentation process
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United States of America Patent
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Jul 17, 2007
Grant Date -
Jan 6, 2005
app pub date -
Oct 26, 2002
filing date -
Nov 5, 2001
priority date (Note) -
Expired
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Abstract
Methods suitable for selecting optimal defoamers for use in fermentation processes are described wherein the methods comprise: (a) determining an amount of each of two or more defoamers which provides a requisite dynamic surface tension of at most 50 mN/m at a particular frequency in a fermentation medium; and (b) selecting the defoamer which provides the requisite dynamic surface tension at the lowest amount. Methods for controlling foam by determining and adjusting dynamic surface tension are also described.
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