... solvents ,soluble in strong acid, strong alkali solution with the property of high strength, not splitting after ... and excellent effect of waste-gas desulfurization when it is used as catalyst to recycle the sulfur ... in recycle device of Claus sulfur. It is suitable for oil refinery with the H2S acid gas, natural ... environment.Wufeng Company covers an area of over 20,000 m2, has 5,500 m2 of production ...