Method for removing glycidyl esters by using ionic liquid

A glycidyl ester and ionic liquid technology, which is applied in the direction of fat oil/fat refining and fat production, can solve the problems that do not conform to the direction of green chemistry advocacy, complex operation, etc., and achieve the effect of direct and efficient removal and easy separation

Pending Publication Date: 2021-07-16
WILMAR SHANGHAI BIOTECH RES & DEV CENT
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AI-Extracted Technical Summary

Problems solved by technology

This method uses acid solution deodorization to suppress the formation of glycidyl ester at high temperature, but uses dual solid phase extra...
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Abstract

The present application provides a method of reducing or removing glycidyl esters from a fluid material comprising the step of contacting the fluid material with one or more sulfonic acid functionalized ionic liquids or aqueous or alcoholic solutions thereof, with the proviso that the fluid material is immiscible with the sulfonic acid functionalized ionic liquid or aqueous or alcoholic solution thereof. The invention also provides an application of the sulfonic acid functionalized ionic liquid in removing glycidyl esters or reducing the content of glycidyl esters.

Application Domain

Fatty-oils/fats refining

Technology Topic

Aqueous solutionSulfonic acid ester +4

Image

  • Method for removing glycidyl esters by using ionic liquid
  • Method for removing glycidyl esters by using ionic liquid
  • Method for removing glycidyl esters by using ionic liquid

Examples

  • Experimental program(7)
  • Comparison scheme(3)

Example Embodiment

[0057] Example
[0058] All ionic liquids used in the examples were purchased from Shanghai Chengjie Chemical Co., Ltd., and the purity was 98%.
[0059] Refined palm oil and refined soybean oil purchase from Yahai Jiari.

Example Embodiment

[0075] Example 1:
[0076] The experimental raw oil used in this embodiment is one of the same.
[0077] Take 17 parts by experimental raw oil were added at room temperature, to which 0.5% weight of raw oil, 1.0%, 1.5%, 2.0%, 2.5%, 3.0%, 3.5%, 4.0%, 5.0%, 6.0%, 8.0% 10.0%, 12.0%, 14.0%, 16.0%, 18.0% or 20.0% of the amount of ionic liquid 1-butylsulfonic acid-3-methylimidazole sulfate, ie [BSO 3 HMIM] [HSO 4 ], With a high-speed shearing machine 10,000r · min -1 After cutting 3 min, after mixing is mixed, stirring at 60 ° C for 1 h at 60 ° C, then using a high-speed centrifuge at room temperature to 8,000R · min -1 Centrifugation was 5 min, the oil phase was separated from the ionic liquid phase, and the upper layer oil phase was taken to detect the content of glycidyl glyceryl.
[0078]Glyceride detection method reference AOCS CD 29C-13 (2017)
[0079]

Example Embodiment

[0080] Example 2:
[0081] The experimental raw oil used in this embodiment is one of the same.
[0082] 2 experimental raw oils were taken at room temperature to add 1% or 10% of the ionic liquid N-sulfonate hydrogen sulfate in the weight of the material oil, and [BSO 3 HPY] [HSO 4 ], With a high-speed shearing machine 10,000r · min -1 The shear was mixed 3 min, and then stirred at 300 rpm at 60 ° C for 1 h, then the high-speed centrifuge was used at room temperature to 8,000r · min. -1 Centrifugation was 5 min, the oil phase was separated from the ionic liquid phase, and the upper layer oil phase was taken to detect the content of glycidyl glyceryl.
[0083] Glyceride detection method reference AOCS CD 29C-13 (2017)
[0084]

PUM

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Description & Claims & Application Information

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