... and chemical products:e.g.calcium chloride,Soduim Acetate,ammonia water,Caustic soda,concentrated sulphuric acid,aluminium hydroxide; b ... petrochemical industry,separation of acid mist,high temperature dusty gas in environmental protection industry; e:Filtration of fertilizer ... industry,e.g.mixed gas filtration for HNO3 synthesis;methane,sludge gas,bio gas;f: Filtration of sands from ...