Title: Method of purifying gas
Application Number: 98115599 Application Date: 1998.07.06
Publication Number: 1206038 Publication Date: 1999.01.27
Approval Pub. Date: 2002.09.11 Granted Pub. Date: 2002.09.11
International Classifi-cation: C10K1/08
Applicant(s) Name: Mitsubishi Heavy Industries, Ltd. Address:
Inventor(s) Name: Eiji Ochi;Makoto Susaki;Seiji Kagawa
Attorney & Agent: yang hongjun
Abstract:
    The invention relates to a method of purifying coal gas produced by coal or heavy oil. The method absorbs sulfur compounds in the gas and eliminates other impurities. The invention arranges a scrubbing process (column scrubber 7) before guiding the gas A2 into desulphurization tower, wherein the gas A2 contacts with the scrubbing solution B to at least eliminate chlorine-containing compounds and/or nitrogen compounds in the gas A2.
Time: 8