Rice bran is used for oil extraction and many by-products are produced during processing of rice bran oil, viz., wax sludge, gum sludge, soap stock sludge, fatty acid distillate and deodorizer distillate. The review focuses on rice bran oil chemistry, production and recovery of by-products and their possible utilization in industry.
How is crude oil refined?
Retrieved March 13, 2019. Certain crude oils that contain minor amounts of impurities other than free fatty acids can be refined by a process known as steam refining. It is merely a high-temperature steam distillation under reduced pressure.
What is a Ghani oil press?
A ghani is a traditional Indian oil press, driven by a horse or ox.