... structure 2.continuous operation 3.steady run 4.strong applicability 5.stable production capacity It is suitable to separation the suspension ... instance : butane dicarboxylic acid, alum, aluminium hydroxide, ammonium hydrogencarbonate, ammonium chloride, ammonium nitrate, ammonium sulphate, anthracene, antibiotics, barium chloride, barium carbonate, barium sulphate, benzene, blood products ...