... of chemical materials. Because of different scales and sulfur recovery methods, can economize chemical materials about 10 thousands to ... hundreds of thousands yuan after using continuous sulfur recovery kettle.4,Characteristics1),Large handing capacity, normally can deal ... ),Total cost plus duty of 1t ammonium thiocyanate: 376,9500÷2000t=1885yuan/t9),Selling price: 6000yuan/t.10),Profit ...