What is Edible Oil Refining? Crude oil squeezed out from oil press machine or solvent extraction plant inevitably contains impurities. To make the crude oil into high grade cooking oil, the impurities must be taken out and pure the oil color; We call the process" Refining". Oil refinery refers to a series of refining processes that can remove FFA, gums, waxes, phospholipids and free fatty acid (F. F.A.), pigment, off-flavor and other impurities in the oil. Edible oil refinery is necessary for vegetable oils & fats or animal oils & fats so they can be high qualified used for cooking and frying
3tpd Soybean Oil Refinery Plant