Title:
METHOD FOR PRODUCING CHEMICAL BY CONTINUOUS FERMENTATION
Document Type and Number:
WIPO Patent Application WO/2012/077742
Kind Code:
A1
Abstract:
A method for producing a chemical by continuous fermentation, said method comprising:
(a) fermenting a starting material by culturing cells in a liquid culture medium in a fermentation tank to form a chemical;
(b) filtering the liquid culture medium by using a separation membrane module;
(c) while holding within the fermentation tank the liquid not permeating in the filtration, separating the permeating liquid, which contains the chemical, from the liquid culture medium; and
(d) while supplying a liquid to the separation membrane module, supplying a gas from the lower part of the separation membrane module and/or a pipe, said pipe connecting the fermentation tank to the separation membrane module, so as to control the linear gas velocity in the separation membrane module to 0.15-70 cm/s inclusive.
Inventors:
KANAMORI SATOKO
CHEON JIHOON
MIMITSUKA TAKASHI
TAKEUCHI NORIHIRO
NISHIDA MAKOTO
TANAKA YUJI
CHEON JIHOON
MIMITSUKA TAKASHI
TAKEUCHI NORIHIRO
NISHIDA MAKOTO
TANAKA YUJI
Application Number:
PCT/JP2011/078392
Publication Date:
June 14, 2012
Filing Date:
December 08, 2011
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
KANAMORI SATOKO
CHEON JIHOON
MIMITSUKA TAKASHI
TAKEUCHI NORIHIRO
NISHIDA MAKOTO
TANAKA YUJI
KANAMORI SATOKO
CHEON JIHOON
MIMITSUKA TAKASHI
TAKEUCHI NORIHIRO
NISHIDA MAKOTO
TANAKA YUJI
International Classes:
C12P13/04; C12P13/00
Domestic Patent References:
| WO2007097260A1 | 2007-08-30 | |||
| WO2007097260A1 | 2007-08-30 |
Foreign References:
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Other References:
ATSUSHI TANAKA ET AL.: "Shear Stress on a Membrane Exerted by the Flow with Random Fluctuations Due to Aeration", THE JAPAN SOCIETY OF MECHANICAL ENGINEERS DAI 11 KAI KANKYO KOGAKU SOGO SYMPOSIUM 2001 KOEN RONBUNSHU, 9 July 2001 (2001-07-09), pages 312 - 315, XP008171166
THE CHEMICAL SOCIETY OF JAPAN: "Kagaku Binran Kisohen Kaitei 3rd Edition", 1984, MARUZEN, pages: 11 - 82
JAMES B. MCKINLAY ET AL., APPL. MICROBIOL. BIOTECHNOL., vol. 71, 2005, pages 6651 - 6656
See also references of EP 2650375A4
THE CHEMICAL SOCIETY OF JAPAN: "Kagaku Binran Kisohen Kaitei 3rd Edition", 1984, MARUZEN, pages: 11 - 82
JAMES B. MCKINLAY ET AL., APPL. MICROBIOL. BIOTECHNOL., vol. 71, 2005, pages 6651 - 6656
See also references of EP 2650375A4
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Claims: