... period, one use one reserve, alternate operation. 3),Compared with wet method, need refueling at fixed period.4),Applicable to ... , flame arrester, air blower, buffer tank, desulfurizer device, water seal, pressure gage, flowmeter, supporting pipe valves, etc.Dry ... food, maize further processing, citric acid, and other industries. Full set of biogas dry desulfurization equipment, desulfurization tower