... 5 times hot water in the phospholipid content of oil, stirring quickly (60-70r/min) 0.5h or ... °C, standing 3-8h and then Isolating lecithin oil feet.3.Dewatering and exsolution: absolute hydration vacuum ... is no more than 8kPa, Using direct steam distillation for 2.5-3h, to make the residual ... in the 50mg/kg below, secondary. rapeseed oil is produced in this way. Oil refinery Machine/ Oil Filter Machine