... and alkali range up to pH 11,exept hydrofluoric acid and fully desalted water. (As end use conditions can ... chloride,Soduim Acetate,ammonia water,Caustic soda,concentrated sulphuric acid,aluminium hydroxide; b:Filtration of catalyst and decoloration liquids ... air,steam,catalysis air of petrochemical industry,separation of acid mist,high temperature dusty gas in environmental protection industry; ...