Chemical Refining: The chemical Refining is a means of removing FFA in a chemical way (acid-base neutralization). Gum and soapstock is separated out by centrifuges. Chemical refining has following features:
1. Fine adaptability and less requirements to crude the oil quality.
2. Consistent oil product is guaranteed.
3. Compared with the physical refining,less clay is added.
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 Deodorzing |
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Physical Refining |
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Bleaching
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Dewaxing and Fraction
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