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Title:
BIOETHANOL PRODUCTION METHOD AND PRODUCTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2013/114962
Kind Code:
A1
Abstract:
The present invention provides a bioethanol production method comprising the following: a hydration step in which the ground product of cassava residue and water are mixed while being heated and pressurized causing the ground product to be hydrated; an enzyme addition step in which cellulase and glycoamylase are added as hydrolases to the hydrated ground product in order to obtain a fermentation starting material; and a fermentation step in which a fermented mash is obtained from the fermentation starting material by ethanol fermentation using an ethanol fermentative bacteria.

Inventors:
MITANI YUTAKA (JP)
SHIMIZU CHIKAKO (JP)
ABE TOORU (JP)
SAWADA KAZUNORI (JP)
WATARI AKIRA (JP)
Application Number:
PCT/JP2013/050788
Publication Date:
August 08, 2013
Filing Date:
January 17, 2013
Export Citation:
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Assignee:
SAPPORO BREWERIES (JP)
International Classes:
C12P7/10; C12M1/00
Foreign References:
US20090047382A12009-02-19
JPH0851137A1996-02-20
JP2008236916A2008-10-02
JP2009225511A2009-10-01
Other References:
IDEMITSU KOSAN CO., LTD.: "Heisei 22 Nendo Seika Hokokusho Kenkyu Kyoryoku Jigyo Thailand ni Okeru Cassava Kasu Riyo Bio Ethanol Seizo Shinki Process no Kaihatsu", NEW ENERGY AND INDUSTRIAL TECHNOLOGY DEVELOPMENT ORGANIZATION (NEDO), 28 July 2011 (2011-07-28), pages 9 - 16
SRINORAKUTARA, T ET AL.: "Approach of cassava waste pretreatments for fuel production in Thailand.", J. SCI. RES. CHULA UNIV., vol. 31, no. 1, 2006, pages 77 - 84
SRINORAKUTARA, T. ET AL.: "Sustainable Energy and Environment (SEE)", UTILIZATION OF WASTE FROM CASSAVA STARCH PLANT FOR ETHANOL PRODUCTION., PROCEEDINGS OF THE JOINT INTERNATIONAL CONFERENCE ON, 2004, pages 344 - 349
BALLESTEROS, M. ET AL.: "Ethanol from lignocellulosic materials by a simultaneous saccharification and fermentation process (SFS) with Kluyveromyces marxianus CECT 10875.", PROCESS BIOCHEM., vol. 39, no. 12, 2004, pages 1843 - 1848
HARSA, S. ET AL.: "Production of polygalacturonases from Kluyveromyces marxianus fermentation: preliminary process design and economics", PROCESS BIOCHEM., vol. 28, no. 3, 1993, pages 187 - 195
RATTANACHOMSRI, U. ET AL.: "Simultaneous non- thermal saccharification of cassava pulp by multi-enzyme activity and ethanol fermentation by Candida tropicalis.", J. BIOSCI. BIOENG., vol. 107, no. 5, 2009, pages 488 - 493
SAPPORO BREWERIES LTD. ET AL.: "Heisei 22 Nendo Seika Hokokusho Kokusai Energy Shohi Koritsuka To Gijutsu Fukyu Kyoryoku Jigyo Gijutsu Jissho Jigyo FS Cassava Pulp kara no Bio Ethanol Seizo Gijutsu Jissho Jigyo (Thailand)", NEW ENERGY AND INDUSTRIAL TECHNOLOGY DEVELOPMENT ORGANIZATION (NEDO), 21 February 2012 (2012-02-21), pages 188 - 224
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
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