Thin film evaporator is used for waste oil and other liquids distillation,to clear the colour, eliminate odour and remove sludge Thin film evaporator has been used in the following field by evaporating for concentration, solvent doffing, vapor extraction, reaction, off-gas and deodorization, etc. which achieves good effect:Medicines: antibiotics, sugar solution, tripterygium, radix astragali and ...