... water separation membrane technology. The whole process has high-efficient, easy management, low operating cost, and ... of desulfurization Dry desulfurization H2S was oxidized to sulfur or sulfide by using O2, also called ... best is ferric oxide desulfurizer, because it has high sulfur capacity and low cost.). The gas go ... with low speed, H2S was oxidized to sulfur or sulfide or iron sulfide, stayed in ...