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Methods for treating deodorizer distillate

A distillate and distillate technology, applied in the field of distillate processing, can solve the problems of expensive, dangerous mineral acid, high cost, etc.

Inactive Publication Date: 2005-08-03
IP HLDG LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of mineral acids poses a hazard and can lead to discoloration or degradation of other distillate components
Methods requiring extraction steps are expensive and create potential contamination from residual solvents
[0014] These previous methods for isolating one or more components from deodorized distillates are often process-intensive and costly

Method used

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  • Methods for treating deodorizer distillate
  • Methods for treating deodorizer distillate
  • Methods for treating deodorizer distillate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] The distillate obtained after deodorizing soybean oil containing about 30.2% by weight free fatty acids, 16.6% by weight tocopherols and 17.6% by weight sterols and having a temperature of about 150°F is introduced into the heating zone at a rate of 60 gallons per hour In the middle, the temperature is raised to 450°F, and the vapor phase and the remainder of the distillate are obtained. The vapor phase was collected and cooled with a condensate production rate of about 20 gallons per hour containing about 75% by weight fatty acids, 5% by weight tocopherols and 2% by weight sterols. The remaining fraction of the distillate was produced at 40 gal / hr and contained about 4.1% by weight fatty acids, 21.5% by weight tocopherols and 20.1% by weight sterols.

Embodiment 2

[0076] The distillate obtained after deodorizing soybean oil containing about 30.2% by weight free fatty acids, 16.6% by weight tocopherols and 17.6% by weight sterols and having a temperature of about 150°F is introduced into the heating zone at a rate of 60 gallons per hour In the middle, the temperature was raised to 450°F to obtain the vapor phase and the remainder of the distillate. The collected and cooled vapor phase had a condensate generation rate of about 20 gallons per hour and contained about 77.7% by weight fatty acids, 4.9% by weight tocopherols and 1.7% by weight sterols. The remaining fraction of the distillate produced 40 gal / hr and contained about 0.8% by weight fatty acids, 20.7% by weight tocopherols and 17.1% by weight sterols.

Embodiment 3

[0078] The remainder of the distillate from Example 2 was cooled to ambient temperature, then mixed with acetone in a 1:1 ratio, and the mixture was centrifuged to obtain a sterol-containing sediment and a tocopherol-containing solvent phase. Evaporation of acetone in the solvent phase yields a tocopherol-rich residue. The sterol-containing deposits included about 1.57% by weight fatty acids, 6.29% by weight tocopherols and 76.46% by weight sterols. The tocopherol-rich residue contained 11.31% by weight fatty acids, 42.97% by weight tocopherols and 18.87% by weight sterols.

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PUM

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Abstract

This invention relates to methods for treating distillates obtained during the process of deodorizing various oils. More particularly, this invention relates to methods for recovering fatty acids, tocopherols, and sterols from a distillate obtained from the deodorizing of various oils.

Description

field of invention [0001] The present invention relates to the treatment method of the distillate obtained in the deodorization process of various oils. More specifically, the present invention relates to a process for the recovery of fatty acids, tocopherols and sterols from distillates obtained during the deodorization of various types of oils. Background of the invention [0002] Fats and oils from plants and animals are a favorable source of fatty acids, tocopherols and sterols. During the refining of these fats, however, large amounts of components, especially tocopherols and sterols, are lost in intermediate by-products and waste steam which, depending on the refining method used, include acidified soap stock, Deodorizer distillate or a combination of both. Accordingly, many methods have been proposed for the recovery of fatty acids, tocopherols and sterols from various refining intermediates, including deodorizer distillates, which are high temperature distillation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D311/72B01D3/00B01D3/10B01D3/14B01D3/34B01D5/00C07J9/00C07J53/00C11B5/00C11B11/00C11C1/10
CPCB01D5/009C11C1/106C11C1/10C07J53/00B01D3/14C11C1/08
Inventor 迪克·科普兰莫里斯·W·贝尔彻
Owner IP HLDG LLC
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