... , large surface area, high strength and thermal stability, which is widely used as an absorber, desiccant and catalyst carrier in chemical, petrochemical ... treatment for H2O2, also in the absorbing pollution material, such as H2S, SO2, HF and paraffin in the water gas. NO ... exposing directly to the air.Waring: alumina driers adsorption activity is an exothermic reaction, any contact to human body ...