Apparatus and process for removing carbon dioxide from combustion exhaust gas

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5318758
SERIAL NO

07847733

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus and a process for removing CO.sub.2 from a combustion exhaust gas, by effecting counterflow contact of aqueous alkanolamine solution with the combustion exhaust gas to absorb CO.sub.2 from the gas in the alkanolamine solution and effecting a further contact of the gas with either, condensate water formed by causing condensation of the gas after removal of CO.sub.2, or condensate water formed by causing condensation of the combustion exhaust gas directly after combustion of the fuel. The apparatus includes a tower (1), a first contact section (2) in the tower through which the exhaust gas flows upwardly in counterflow contact with the aqueous alkanolamine solution dispersed by a nozzle device (7) downstream of the first contact section (2), a second contact section (3) in the tower (1) downstream of the nozzle device (7) for effecting counterflow contact of reflux water from a spent absorbent liquor regenerating tower (28) with the gas after removal of CO.sub.2. The temperature of the aqueous alkanolamine solution to be supplied to the CO.sub.2 -removing tower (1) is adjusted in such a manner that the temperature of the exhaust gas at the entrance (4) of the CO.sub.2 -removing tower and that of the treated gas at the exit (5) of the CO.sub.2 -removing tower are the same.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
Kyushu Electric Power Co., Inc.TOKYO122
Mitsubishi Jukogyo Kabushiki KaishaTOKYO281

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Masumi Ikoma, JP 11 355
Hotta, Yoshitsugu Osaka, JP 8 355
Iijima, Masaki Tokyo, JP 129 1473
Karasaki, Mutsunori Tokyo, JP 10 407
Kobayashi, Kenji Osaka, JP 396 4266
Mitsuoka, Shigeaki Hiroshima, JP 34 800
Seto, Touro Hiroshima, JP 1 83
Shimojo, Shigeru Osaka, JP 19 569
Suda, Taiichiro Nara, JP 11 365
Tomikawa, Fumio Kawasaki, JP 12 347
Yoshida, Kunihiko Kyoto, JP 27 467

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Phillips Petroleum Company (1)
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Exxon Research and Engineering Company (1)
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FLUOR DANIEL, INC. (1)
* 4440731 Process for removal of carbon dioxide from industrial gases 19 1981
 
SNAMPROGETTI S.P.A. (1)
* 4367258 Process for the decarbonation of gases 5 1980
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (6)
* 2010/0116,137 REMOVAL OF CARBON DIOXIDE FROM AIR 28 2009
* 2010/0105,126 METHOD AND APPARATUS FOR EXTRACTING CARBON DIOXIDE FROM AIR 39 2009
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* 2011/0027,143 METHOD AND APPARATUS FOR EXTRACTING CARBON DIOXIDE FROM AIR 18 2010
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8673227 System for removal of carbon dioxide from a process gas 0 2012
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8986640 System and method for recovering ammonia from a chilled ammonia process 0 2014
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CALERA CORPORATION (12)
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8834688 Low-voltage alkaline production using hydrogen and electrocatalytic electrodes 1 2010
8883104 Gas stream multi-pollutants control systems and methods 2 2010
8470275 Reduced-carbon footprint concrete compositions 23 2010
8333944 Methods of sequestering CO2 17 2010
8431100 -sequestering formed building materials 10 2011
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8088197 Removal of carbon dioxide from air 22 2006
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8262774 English Title Not Available 5 2008
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8999279 English Title Not Available 5 2009
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8337589 Method and apparatus for extracting carbon dioxide from air 5 2010
8273160 Method and apparatus for extracting carbon dioxide from air 7 2010
8083836 Method and apparatus for extracting carbon dioxide from air 25 2010
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8246723 English Title Not Available 4 2011
8221527 English Title Not Available 8 2011
9205372 English Title Not Available 2 2012
9266051 Removal of carbon dioxide from air 2 2013
9616375 Capture of carbon dioxide (CO2) from air 0 2014
9266052 Method and apparatus for extracting carbon dioxide from air 2 2014
9527747 Extraction and sequestration of carbon dioxide 0 2014
 
KABUSHIKI KAISHA TOSHIBA (1)
9555363 Carbon dioxide capture system and carbon dioxide capture method 0 2015
 
MITSUBISHI HEAVY INDUSTRIES, LTD. (14)
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6579508 Method for controlling absorbent at decarboxylation facility and system therefor 6 2001
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H.C. STARCK GMBH (1)
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* Cited By Examiner