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Method for reducing neutral oil losses during neutralization step

  • US 9,765,279 B2
  • Filed: 10/03/2016
  • Issued: 09/19/2017
  • Est. Priority Date: 10/14/2015
  • Status: Active Grant
First Claim
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1. A method for reducing neutral oil losses during a neutralization step comprising the following steps:

  • (1) mixing an acid-treated vegetable oil with a base to neutralize (a) free fatty acid and (b) added acid in the acid-treated vegetable oil to obtain a pretreated mixture;

    (2) subjecting the pretreated mixture to at least two cycles of localized shear effects, said cycles being arranged in succession, each cycle comprising a step of forcing the pretreated mixture at a pressure through one or more nozzles, each cycle of localized shear effects having a shear duration time of less than 5×

    10

    5
    seconds and a shear rate of at least 6000 sec

    1
    .

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