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Hotta; Yoshitsugu
Osaka, JP
No. of patents:

Patent Number Title Of Patent Date Issued
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
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
5378442 Method for treating combustion exhaust gas January 3, 1995
A method for recovering carbon dioxide by absorbing carbon dioxide present in a combustion exhaust gas using an aqueous alkanolamine solution, comprising the step of bringing a combustion exhaust gas from which carbon dioxide has been absorbed and removed into contact with water containi
5344627 Process for removing carbon dioxide from combustion exhaust gas September 6, 1994
A process for removing carbon dioxide (CO.sub.2) from a combustion exhaust gas of a boiler (1) which generates steam for driving high (3), intermediate (7), and low (8) pressure turbines. The process comprises the steps of removing CO.sub.2 in the combustion exhaust gas by absorption
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

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