... for removal of H2S in pipeline gas, water gas, semi-water gas, coke oven gas, methane(biogas). Desulfurizer, activated ferric ... removal of H2S in pipeline gas, water gas, semi-water gas, coke oven gas, methane(biogas).Advantages:1), Desulfurization rate: when ... H2S content at entrance is 2000mg/Nm3, the value of outlet gas ...