... which is also named the catalyst for sulfur-dioxide-oxidizingsulfuric acid (or vanadic anhydride catalyst, or abbreviated vanadium sulfatecatalyst, ... vulgarly called vanadium catalyst), are widely used in manufacturingsulfuric acid from lump pyrite, smelting mist, or from burning sulfur ... MECS, VK59 of Topsoe. Our company can supply sulfuric acid catalyst. If you have any interest or any questionabout ...