The production of salad oil by fractional crystallization with solvents | Zendy

Mertens W. G. | Zendy; Rubin L. J. | Zendy; Teasdale B. F. | Zendy

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The production of salad oil by fractional crystallization with solvents

Author(s) -

Mertens W. G.,

Rubin L. J.,

Teasdale B. F.

Publication year - 1961

Publication title -

journal of the american oil chemists' society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.512

H-Index - 117

eISSN - 1558-9331

pISSN - 0003-021X

DOI - 10.1007/bf02638428

Subject(s) - solvent , crystallization , acetone , cottonseed oil , yield (engineering) , refrigeration , pulp and paper industry , evaporation , materials science , chromatography , chemistry , chemical engineering , organic chemistry , food science , composite material , thermodynamics , engineering , physics

A fractional crystallization method for the winterization of cottonseed oil with solvents was developed in our laboratories and pilot plant. Small amounts of solvent ( e.g. , 10% by weight of acetone) were mixed with the oil. This mixture was rapidly chilled to 0ŶC. and kept at this temperature for 3舑4 hrs.; the liquid portion was separated from the solids. After solvent evaporation a salad oil of good quality was obtained. The yield is equal to or better than that obtained with conventional methods. The method is suitable for a continuous operation since rapid chilling can be used, and only a short over‐all time is necessary. Great advantages of the process are the use of low amounts of solvent and of a refrigeration system not requiring temperatures below 0ŶC.

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