معمل تكرير خام الكروم
تكرير الزيت الطبيعي
Download. Natural Oil Refining covers a range of processes to produce pretreated and/or refined oils and fats from crude oils and animal fats. Depending on the feedstock and the desired final product, customers may want to remove impurities such as free fatty acids, phospholipids or odors. With over 400 plants delivered around the world, Air ......