... a soap complete line starting from oil melting, saponifying, vacuum drying and cooling, milling soap noodles, vacuum extruding and then ... 380 V, 50 HZ. d. Water: Circulating water for vacuum drying system: 40 m3; Production water: 10 ton/day. e. Capacity: ... : Mix and melt oil --> Saponification --> Add other ingredients --> Vacuum drying --> Soap noodle --> Grinding --> Vacuum extruding --> Cutting.