... , fit for filtering different acids (such as hydrochloric acid and vitriol), alkali and organic solvent under different ... air purification and disinfection.1. Acid purification, such as hydrochloric acid, vitriol, hydrofluoric acid and phosphoric acid, etc.2. Alkali purification, ... , distilled spirit and sauce, etc. 4. Purification of industrial oil, such as benzene, diesel oil, aviation kerosene and ...