Main features: using physical refining technique, no need of alkali refining, avoid of neutral oil loss, reduce production cost

Technological process: crude oil→hydration→decoloration→deacidification, deodorization→refined oil

Suitable varieties: high acid value oils with impurities, such as, tea-seed oil, Maize Germ, animal oil

Main equipment: rendering kettle, heat exchanger, efficient bleaching tower, filtering machine, gassing machine, heater, combined type deodorization tower, fatty acid collector, cooler, 4th level steam-jet pump, thermal oil furnace unit