Flow chart
Rude oil-Neutralize-Decolorize-Deodorize-Cool-Edible oil
Also it could be added the daxing process.

Explanation:
1. Neutralizer It's used for ridding off acid, degumming.
2. Decolorizer It's used for ridding off/reducing the color of the oil.
3. Deodorizer It's used for ridding off odor of the oil.
4. Transfer oil furence It's used supplying for the heats required to the line, it could make the temperature up to 280 degrees.
5. Air pressurer Blow to dry the Clay for decoloring.
6. Oil filter Clear the oil decolorized.
7. Steam producer Producing steams of high temperater for deodorizer.