... separation 2. Industry wastewater & Refinery sludge treatment 3.Alfa laval structure 3 Phase Decanter Centrifuge PrincipleTaking advantage of the principle that ... light liquid,heavy liquid and solid,i.e.Fat ,water,sludge separation. 2. Chemical or pharmaceutical products such as: ... and others materials.3. Mineral oil, waste oil, bilge sludge, lubricating oil. 4. recovering of animal and vegetal basic ...