摘要 |
PCT No. PCT/SE90/00755 Sec. 371 Date Jul. 16, 1992 Sec. 102(e) Date Jul. 16, 1992 PCT Filed Nov. 20, 1990 PCT Pub. No. WO91/07219 PCT Pub. Date May 30, 1991.The invention refers to a method in cleaning flue gas in a PFBC plant including a gas turbine driven thereby, wherein the reduction of the NOx content in the flue gas is accomplished by thermal reduction by injecting ammonia into the flue gas flow to the gas turbine and then accomplished catalytically entailed reduction in the presence of ammonia in the flue gas flow from the gas turbine. |