Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1983-06-27
1986-02-11
Sneed, Helen M. S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260413, 260424, C11B 306
Patent
active
045697965
ABSTRACT:
Process for refining a triglyceride oil comprising bringing the oil into contact with at least an amount of aqueous alkali solution equal to the stoichiometric amount required to neutralize the oil, forming a soapstock and separating said soapstock and oil characterized by bringing the oil into contact with the aqueous alkali solution at a temperature in the range of from 40.degree. to 140.degree. C. and forming at a temperature in the range of from 40.degree. to 140.degree. C. a soapstock which contains with respect to the initial fatty acid content of the oil at least about 0.7 wt % of electrolyte and which comprises a member selected from the group comprising a single phase of neat soap, a binary phase mixture of neat soap and niger, a binary phase mixture of neat soap and lye and a ternary phase mixture of neat soap, lye and niger. Each of the niger, lye and neat soap phases is a single phase comprising water, electrolyte and soap. The lack of substantial amounts of free water reduces saponification and thus oil loss. The presence of niger and/lye can reduce the viscosity of the soapstock and hence aid its separation from the oil.
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De Laat Cornelis I.
Segers Jacobus C.
Spits Albert J.
Farrell James J.
Honig Milton L.
Lever Brothers Company
Sneed Helen M. S.
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