... of waste-gas desulfurization when it is used as catalyst to recycle the sulfur in petrochemical and other industrial ... suitable for H2S acid gas oil refinery, natural gas purification desulfurization plants, city gas plant and petrochemical plants, the ... for adsorbent in water purification.3. activated alumina for catalyst carrier, like palladium catalyst, CO-MO catalyst,4.activated alumina with ...