... larger desulfurization precision Application For the city of pipeline gas, coke oven gas, methane, ordinary industrial raw ... gas, natural gas.Iron oxide desulfurizer used in synthetic ammonia N. H raw material gas, carbon gas, food grade CO gas, methanol feed gas, methanation lead gas ... OVER 20 YEARS IN THE ACTIVATED CARBON INDUSTRY OF CHINA iron oxide desulfurization used in the sulfur-bearing gas