APPARATUS AND METHOD FOR CLEANING ACIDIC GAS

WIPO Patent Application WO/2001/005489

A1

An apparatus for cleaning an acidic gas which has a gas cleaner (A) wherein a gas to be cleaned containing carbon dioxide and a gas-cleaning liquid containing an alkali agent are contacted to thereby remove an acidic gas in the gas to be cleaned, a regenerator (B) for a cleaning liquid wherein the gas-cleaning liquid is regenerated and cooled by being contacted with a gas for regeneration (35b) having different components from those of the gas-cleaning liquid (40) and the gas to be cleaned (30), and a circulation means which is arranged between the gas cleaner (A) and the regenerator (B) for a cleaning liquid and circulates the cleaning liquid. The apparatus is used for practicing a method which comprises contacting a gas containing carbon dioxide to be cleaned with a gas-cleaning liquid containing an alkali agent, to thereby remove the acidic gas in the gas to be cleaned while cooling the gas.

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SU QINGQUAN (JP)
MIYOSHI NORIHISA (JP)
NARUSE KATSUTOSHI (JP)
OSHITA TAKAHIRO (JP)
KINOSHITA KAZUO (JP)

PCT/JP2000/004857

January 25, 2001

July 19, 2000

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EBARA CORP (JP)
SU QINGQUAN (JP)
MIYOSHI NORIHISA (JP)
NARUSE KATSUTOSHI (JP)
OSHITA TAKAHIRO (JP)
KINOSHITA KAZUO (JP)

B01D53/14; B01D53/62; C10J3/82; C10K1/08; C10K1/12; (IPC1-7): B01D53/14; B01D53/18; B01D53/34; B01D53/40; B01D53/62; C10J3/00; C10K1/08; C10K1/12

JPH0286627U	1990-07-09
EP0202600A2	1986-11-26
US4367258A	1983-01-04
JPH1067992A	1998-03-10
JPH10205723A	1998-08-04
JPS53149171A	1978-12-26
EP0487102A1	1992-05-27
JPH0338219A	1991-02-19

See also references of EP 1201290A4

Watanabe, Isamu (Nishi-Shinjuku 7-chome Shinjuku-ku, Tokyo, JP)

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