The use of miscella oil refining process for cottonseed oil can help remove gossypol in the process, reduce refining losses, improve oil color, improve product quality, simplify oil processing, and have better results than other refining processes. This is more suitable for refining specific oils of cottonseed oil.

Biodiesel refers to animal oil, vegetable oil and methanol and other short-chain alcohols esterified, transesterified fatty acid methyl ester obtained after purification, is a renewable clean energy.

The refining process of edible vegetable oils can be divided into general edible oil refining, High grade edible oil refining and special oil refining.