Acid-Water Degumming Drying Chemical Refining Bleaching Dewaxing Desulfurization Deodorization Physical Refining Fatty Acid Recovery and Vacuum System Pre-treatment Plants to produce biodiesel ready feedstock from oils and fats Esterification Plants to produce biodiesel from fatty acids Trans-esterification Plants to produce biodiesel from oils and fats Methanol Recovery and Rectification Plants