... Sulfuric acid catalysts are widely used in manufacturing sulfuric acid from lump pyrite, smelting mist, or from burning sulfur Sulfuric acid catalyst ... called vanadium catalyst), are widely used in manufacturingsulfuric acid from lump pyrite, smelting mist, or from burning sulfur and others.We ... The S107-1H, XNS112 isequivalent to LP110 from MECS, VK48 from Topsoe; the Cs201/Cs201-1H is equivalentto CS ...