Thin film evaporator is used for waste oil and other liquids distillation,to clear the colour, eliminate ... evaporator has been used in the following field by evaporating for concentration, solvent doffing, vapor extraction, reaction, off-gas and ... : lecithin, VE, fish liver oil, oleic acid, glycerol, fatty acid, waste lubricant, alkyl-amylose glycoside and ether-alcohol sulphate, etc.Composed ...