... , dehydration, deacidification, decolorzation, dewaxing and deodorization.oil refining equipment Main Equipment :Decoloration tower, deodorization tower, leaf filter, frame filter, ... long life for about 8 years.2. professional heating treatment and x-ray detection chamber for welding seam ... coal burning2.the exhaust gas will be recycled for heating reactor ,no gas pollution3.well sealing on every ...