... 3.solvent extraction 4.simple operation cooking oil refining machine Simple in structure and stable in performance ... the oi reach the standard level national edible oil.oil refining machine Flow Chart Main parts : de-mixed, ... degumming, dehydration, deacidification, decolorzation, dewaxing and deodorization.oil refining machine Main Equipment :Decoloration tower, deodorization tower, leaf filter ...