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Title:
METHOD FOR PRODUCING HIGH PURITY METHANE, AND PRODUCTION DEVICE THEREFOR
Document Type and Number:
Japanese Patent JP2014088524
Kind Code:
A
Abstract:

To provide new means for producing high purity methane by increasing the concentration of the methane in a biogas.

Provided is a method for producing high purity methane comprising a concentration process in which a biogas is contacted with a physical absorption liquid and a chemical absorption liquid to increase the concentration of methane in the biogas.


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Inventors:
OSAKA NORIKO
IGAWA JUNKO
SAITO ASAMI
KANAKUBO MITSUHISA
MAKINO TAKASHI
Application Number:
JP2012240334A
Publication Date:
May 15, 2014
Filing Date:
October 31, 2012
Export Citation:
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Assignee:
TOKYO GAS CO LTD
NAT INST OF ADV IND & TECHNOL
International Classes:
C10L3/10; B01D53/14
Domestic Patent References:
JP2009512548A2009-03-26
JP2011251220A2011-12-15
JP2006526496A2006-11-24
JP2011251220A2011-12-15
JP2004083542A2004-03-18
JP2005334806A2005-12-08
JP2010260894A2010-11-18
JP2011230056A2011-11-17
JP2009512548A2009-03-26
Attorney, Agent or Firm:
Yusuke Hiraki
Satoshi Fujita
Naomi Shimamura
Iwasaki Masaji



 
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