... be used for removal of H2S in pipeline gas, water gas, semi-water gas, coke oven gas, methane(biogas). Desulfurizer, activated ferric ... be used for removal of H2S in pipeline gas, water gas, semi-water gas, coke oven gas, methane(biogas).Advantages:1), ... /Nm32), Sulfur Removal Volume: 6-8% per time;3), Intensity & Water Resistance: this desulfurizer would not become mudding after boiling it 2 ...