... iron sulfide, then can remove the H2S.The consist of dry equipment: put filling into one tank (the packing layer can be ... , water seal, pressure gage, flowmeter, supporting pipe valves, etc.Dry desulfurization equipment can used in the purification system of biogas, farm, starch ... processing, citric acid, and other industries. Full set of biogas dry desulfurization equipment, desulfurization tower