SW desulphurizer for H2S removal from acidgases such as marsh gas and city gas was preparedby mixing pyrite cinder with adhesive and assistant,vibration forming, activation and drying.

• 硫铁矿渣与粘结剂、助剂混合后，经摇振成型、活化、烘干，制成脱硫剂，用于沼气、煤气等气体的H2S脱除。