GAS PURIFIER

WIPO Patent Application WO/2019/176642

A1

A gas purifier which comprises an ammonia removal part where some of the ammonia contained in a first gas is removed, a first-offgas collection part where a first offgas, which contains the ammonia removed in the ammonia removal part, is collected, a hydrogen sulfide/ammonia removal part where hydrogen sulfide and ammonia are removed from a second gas, which was obtained by removing some of the ammonia from the first gas in the ammonia removal part, a second-offgas collection part for collecting a second offgas, which contains the hydrogen sulfide and ammonia removed in the hydrogen sulfide/ammonia removal part, and a combustion part where the first offgas and the second offgas are burned, wherein the combustion part comprises a first combustion chamber, in which combustion is conducted in a reducing atmosphere, a second combustion chamber, which lies downstream from the first combustion chamber and in which combustion is conducted in a reducing atmosphere, and a third combustion chamber, which lies downstream from the second combustion chamber and in which combustion is conducted in an oxidizing atmosphere, and the combustion part has been configured so that the first offgas flows into the first combustion chamber and the second offgas flows into the third combustion chamber.

YOSHIDA KAORI (JP)
YAMAZAKI AYUMU (JP)
KAN RIKIO (JP)
KAKESAKO SEIJI (JP)

PCT/JP2019/008569

September 19, 2019

March 05, 2019

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MITSUBISHI HEAVY IND ENG LTD (JP)

C10K1/10; F23G7/06

JP2000290668A	2000-10-17
JP2004067849A	2004-03-04
JPH10185159A	1998-07-14
JP2003130326A	2003-05-08
JP2007246703A	2007-09-27
JP2019066140A	2019-04-25
JP3924150B2	2007-06-06
JP2004036983A	2004-02-05

See also references of EP 3744817A4

SEISHIN IP PATENT FIRM, P.C. (JP)

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