... reach the standard level national edible oil.oil refining equipment Flow Chart Main parts : de-mixed, degumming, ... dehydration, deacidification, decolorzation, dewaxing and deodorization.oil refining equipment Main Equipment :Decoloration tower, deodorization tower, leaf filter, frame filter ... about 8 years.2. professional heating treatment and x-ray detection chamber for welding seam .3. vacuum system ...