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Inventor:
Shimojo; Shigeru
Address:
Osaka, JP
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
6689332 Process for removing carbon dioxide from combustion gases February 10, 2004
A process for removing CO.sub.2 from a combustion gas which comprises bringing a combustion gas containing oxygen and CO.sub.2 and a CO.sub.2 absorbent solution into contact at the atmospheric pressure, thereby allowing the CO.sub.2 absorbent solution to absorb CO.sub.2 from the comb
6500397 Method for removing carbon dioxide from combustion exhaust gas December 31, 2002
There are disclosed a method for removing CO.sub.2 from a combustion exhaust gas which comprises the step of bringing the combustion exhaust gas under atmospheric pressure into contact with an aqueous solution of a hindered amine selected from the group consisting of 2-amino-2-methyl
6274108 Recovery of carbon dioxide from combustion exhaust gas August 14, 2001
A process is provided for removing carbon dioxide out of combustion exhaust gas by scrubbing the exhaust gas with an aqueous solution of monoethanolamine in a scrubber, and regenerating the carbon dioxide-loaded aqueous solution of monoethanolamine in a regenerator. The process is pr
6036931 Method for removing carbon dioxide from combustion exhaust gas March 14, 2000
There are disclosed a method for removing CO.sub.2 from a combustion exhaust gas which comprises the step of bringing the combustion exhaust gas under atmospheric pressure into contact with an aqueous solution of a hindered amine selected from the group consisting of 2-amino-2-methyl
5750083 Method for the removal of hydrogen sulfide present in gases May 12, 1998
This invention relates to methods for the removal of hydrogen sulfide from various gases containing hydrogen sulfide. In order to remove hydrogen sulfide, an aqueous solution containing a di(lower alkyl)amino-(lower alkanol) or triethylenediamine is used. In order to remove hydrogen
5744110 Method for the removal of carbon dioxide from combustion exhaust gas April 28, 1998
This invention provides a method for the removal of CO.sub.2 present in combustion exhaust gas which comprises bringing combustion exhaust gas at atmospheric pressure into contact with a mixed aqueous solution containing 100 parts by weight of an amino acid metal salt (X), 1 to 25 parts
5700437 Method for removing carbon dioxide from combustion exhaust gas December 23, 1997
A method for removing carbon dioxide from a combustion exhaust gas under atmospheric pressure by the use of a mixed solution of a specific amine compound X having an alcoholic hydroxyl group and a primary amino group which is bonded to a tertiary carbon atom having two unsubstituted alky
5648053 Process for removing carbon dioxide and nitrogen oxides from combustion gases July 15, 1997
A process for removing both CO.sub.2 and NO.sub.x from combustion gases consists, first, in cooling a combustion gas to 50 to 100.degree. C. and adding ozone to oxidize NO in the combustion gas to NO.sub.2. Then in a CO.sub.2 removal step, the gas is brought into contact with an aqueous
5618506 Process for removing carbon dioxide from gases April 8, 1997
This invention relates to the process for removing CO.sub.2 from CO.sub.2 -containing gas such as combustion gas. For example, it is the process for removing CO.sub.2 from combustion gas through the contact of the gas at the atmospheric pressure with an aqueous solution of an amine repre
5609840 Method for the removal of hydrogen sulfide present in gases March 11, 1997
This invention relates to methods for the removal of hydrogen sulfide from various gases containing hydrogen sulfide. In order to remove hydrogen sulfide, an aqueous solution containing a di(lower alkyl)amino-(lower alkanol) or triethylenediamine is used. In order to remove hydrogen
5603908 Process for removing carbon dioxide from combustion gases February 18, 1997
A process for removing CO.sub.2 from a combustion gas which comprises removing CO.sub.2 from the combustion gas through contact of an aqueous hindered amine solution used as a CO.sub.2 absorbent solution with the combustion gas at atmospheric pressure and then, in a regeneration column,
5603377 Heat pipe and gas-liquid contacting apparatus capable of heat exchange using the heat pipes and February 18, 1997
A heat pipe includes: a pipe barrel; and a large number of fins disposed on the peripheral surface of the pipe barrel at least on either a heat collecting section side or a radiating section side, each of the fins is attached to the pipe barrel on a plane perpendicular to the axis of the
5536454 Apparatus for gas-liquid contact July 16, 1996
An apparatus for gas-liquid contact in which tubular structure fillers having a cross section of any of various shapes and having straight tubular portions are arranged in a substantially vertical direction in the form of plural steps so that the gas-liquid contact surfaces of the fi
5318758 Apparatus and process for removing carbon dioxide from combustion exhaust gas June 7, 1994
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
4907542 Cleaning system for a horizontal type tube assembly March 13, 1990
An improved cleaning system for a horizontal type tube assembly which can achieve cleaning of the outer surfaces of the tubes in the tube assembly automatically by remote control without necessitating human labor of workers who are compelled to work in a narrow limited space, is disclose
4879973 Automatic tube circumference scanning apparatus November 14, 1989
An automatic tube circumference scanning apparatus automatically performs inspections, repairs and other operation on a group of tubes arrayed in a narrow space and extending in horizontal directions. The apparatus includes an upper support/traverse section mounted on an upper tube in th










 
 
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