Iron Oxide Desulfurizer is composite-type desulfurizer made mainly of iron salts or metal oxide of iron with addition of additives and binder. In addition to removal of hydrogen sulfide , it has a certain removal effect for mercaptan and most of the nitrogen oxides . Being renewable , it is featured by low price, small bed resistance, strong adaptability, simple equipment , easy operation, etc., and it performance is up to the level of foreign similar products.