Title:
METHOD FOR MANUFACTURING ORGANIC ACID OR SALT THEREOF
Document Type and Number:
WIPO Patent Application WO/2014/065364
Kind Code:
A1
Abstract:
In the present invention, a step (1) for obtaining a membrane-permeable liquid by passing an organic acid fermentation liquid through an ultrafiltration membrane having a molecular-weight cutoff of 3500 or less, the organic acid fermentation liquid having, as a raw material, glucose derived from cellulose-containing biomass; and a step (2) for crystallizing an organic acid or salt thereof from the membrane permeable liquid are performed to make it possible to perform high-purity crystallization of an organic acid or salt thereof from an organic acid fermentation liquid, which has been difficult using conventional methods.
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Inventors:
MINAMINO ATSUSHI (JP)
HORIGUCHI MIYUKI (JP)
KURIHARA HIROYUKI (JP)
KAWAMURA KENJI (JP)
YAMADA KATSUSHIGE (JP)
HORIGUCHI MIYUKI (JP)
KURIHARA HIROYUKI (JP)
KAWAMURA KENJI (JP)
YAMADA KATSUSHIGE (JP)
Application Number:
PCT/JP2013/078811
Publication Date:
May 01, 2014
Filing Date:
October 24, 2013
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C12P7/56; B01D61/02; B01D61/14; B01D61/58; B01D71/34; B01D71/38; B01D71/56; B01D71/68; C13K1/02
Domestic Patent References:
| WO2010067785A1 | 2010-06-17 |
Foreign References:
| JP2011172492A | 2011-09-08 | |||
| JPH01215293A | 1989-08-29 | |||
| JPH06269289A | 1994-09-27 | |||
| JPH01112991A | 1989-05-01 |
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