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A refinery reports that its refining loss is 1.9 times the free fatty acid content of the crude oil.

What does this indicate?

  • A.Degumming has been omitted
  • B.Deodorisation is running too hot
  • C.Neutral oil is going with the soapstock
  • D.The oil contains no free fatty acids

Answer: C

A refining factor near unity would mean only the free acid was removed, and anything much above it means neutral oil is being saponified or entrained. Alkali strength, temperature and mixing are the usual places to look.

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