1. Filtration of silicon sulfate, hydrogen peroxide and alcohol;

2. Filtration of sulfuric acid, phosphoric acid, methanol, ethanol and acetone;

3. Filtration of aluminum sulfate, chloroform, two-phase chloramines and chlorine;

4. Desalination filtration of crystal salt, secondary saline water and alkali liquor;

5. Filtration of barium sulfate and barium sulfide in the production of lithopone;

6. Filtration of chromic hydroxide and barium chromate;

7. Filtration of acid bath and sulfur in the production of chemical fibers;

8. Filtration of oxalic acid, amino acid, lactic acid and citric acid;

9. Filtration of barium sulfate in the production of photographic films;

10. Decarburization filtration of liquids by powdered activated carbon;

11. Precision filtration of inorganic salt solutions and powder;

12. Filtration and washing of tantalum hydroxide, niobium hydroxide, aluminum hydroxide, ferric hydroxide, etc.;

13. Filtration of sodium bicarbonate (baking soda) and sodium carbonate (sodium thiosulfate) liquids;

14. Filtration of acrylamide prepared by an enzymatic method and calcium chloride solution;

15. Filtration of dioxygen amine liquid, palladium carbon and other superfine catalysts;

16. Filtration and recovery of nickel hydroxide and copper hydroxide;

17. Precision clarifying filtration of cerous nitrate solution.