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Title:
リグノセルロースを原料とするバイオエタノールの製造システム
Document Type and Number:
Japanese Patent JP5165419
Kind Code:
B2
Abstract:

To provide a system for efficiently using a lignocellulose, which organically combines three processes of an ethanol fermentation process, a kraft process and a sulfite process and make them cooperatively act by putting them to combined use.

The system for exceedingly efficiently producing bioethanol etc., includes a kraft cooker for kraft cooking a first lignocellulose raw material to give kraft pulp and kraft black liquor, a sulfite cooker for sulfite cooling a second lignocellulose raw material on a sodium base to give sulfite pulp and sulfite black liquor, an ethanol fermenter for ethanol fermenting sulfite black liquor to give ethanol and fermented liquor and a cooking chemical recovery apparatus for recovering cooking chemicals contained in the graft black liquor and the fermented liquor and sending the recovered cooking chemicals to the kraft cooker.

COPYRIGHT: (C)2009,JPO&INPIT


Inventors:
Makoto Hirota
Nishijima Eiji
Yatsushiro
Hiroshi Harada
Application Number:
JP2008059753A
Publication Date:
March 21, 2013
Filing Date:
March 10, 2008
Export Citation:
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Assignee:
NIPPON PAPER INDUSTRIES CO.,LTD.
International Classes:
C12P7/10; B09B3/00; C12P7/12; D21C11/02
Domestic Patent References:
JP2005229821A
JP2005229822A
JP200720555A
JP200687319A
JP2007104983A
JP200774992A
JP2006141244A
JP58126387A
JP5870894A
JP2006238728A
Foreign References:
US5424417
Attorney, Agent or Firm:
Junko Oda
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Mitsutoshi Nakamura