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Method for obtaining high-purity squalene from vegetable oil deodorized distillate

A technology for deodorizing distillate and squalene, applied in distillation purification/separation, chemical instruments and methods, hydrocarbons, etc., can solve problems such as high pollution, low efficiency, etc., to solve the shortage of raw materials and solve the continuous market demand effect of growth

Active Publication Date: 2019-09-27
SHAANXI HEALTHFUL BIOLOGICAL ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a method for obtaining high-purity squalene from vegetable oil deodorization distillate, solve the problem of effective utilization of deodorization distillate, and improve the low efficiency, high pollution, multi-step, etc. existing in the existing process question

Method used

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  • Method for obtaining high-purity squalene from vegetable oil deodorized distillate
  • Method for obtaining high-purity squalene from vegetable oil deodorized distillate

Examples

Experimental program
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Effect test

Embodiment 1

[0034] according to figure 1 Shown technological process, obtain squalene from vegetable oil deodorization distillate, concrete method is as follows:

[0035] 1. Preliminary enrichment of squalene

[0036] According to the volume ratio of vegetable oil deodorization distillate and methanol is 1:4, soybean oil deodorization distillate (containing 49.3% free fatty acid, 12.5% ​​glyceride, 26.2% phytosterol, 10.8% vitamin E, 2.2% squalene ) and methanol are respectively placed in two raw material tanks, pumped into the primary pre-heater respectively through a high-pressure pump, preheated to 55°C and mixed in the mixer, and the resulting mixture is heated to 294°C by the secondary pre-heater Finally, it is pumped into a tubular fixed-bed reactor filled with magnesia catalyst particles for esterification and transesterification. The reaction temperature is 300° C., the pressure is 15 MPa, and the reaction time is 5 minutes. After the reaction, the reaction product enters the ga...

Embodiment 2

[0044] according to figure 1 Shown technological process, obtain squalene from vegetable oil deodorization distillate, concrete method is as follows:

[0045] 1. Preliminary enrichment of squalene

[0046] According to the volume ratio of vegetable oil deodorization distillate and methanol is 1:4, olive oil deodorization distillate (containing 54.5% free fatty acid, 10.1% glyceride, 14.4% phytosterol, 12.5% ​​vitamin E, 3.9% squalene ) and methanol are respectively placed in two raw material tanks, pumped into the primary pre-heater respectively through a high-pressure pump, preheated to 50°C and mixed in the mixer, and the resulting mixture is heated to 300°C by the secondary pre-heater Finally, it is pumped into a tubular fixed-bed reactor filled with magnesia catalyst particles for esterification and transesterification. The reaction temperature is 310° C., the pressure is 16 MPa, and the reaction time is 6 minutes. After the reaction, the reaction product enters the gas-...

Embodiment 3

[0054] according to figure 1 Shown technological process, obtain squalene from vegetable oil deodorization distillate, concrete method is as follows:

[0055] 1. Preliminary enrichment of squalene

[0056]According to the volume ratio of vegetable oil deodorization distillate and methanol is 1:4, corn oil deodorization distillate (containing 61.3% free fatty acid, 11.0% glyceride, 15.1% phytosterol, 9.9% vitamin E, 1.5% squalene ) and methanol are respectively placed in two raw material tanks, pumped into the primary pre-heater respectively through a high-pressure pump, preheated to 48°C and mixed in the mixer, and the resulting mixture is heated to 300°C by the secondary pre-heater Finally, it is pumped into a tubular fixed-bed reactor filled with magnesia catalyst particles for esterification and transesterification. The reaction temperature is 305° C., the pressure is 18 MPa, and the reaction time is 7 minutes. After the reaction, the reaction product enters the gas-liqui...

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Abstract

The invention discloses a method for obtaining high-purity squalene from a vegetable oil deodorized distillate. The method comprises the following steps: first performing esterification / ester exchange, crystallization and molecular distillation on the vegetable oil deodorized distillate (DD oil) to obtain a vitamin E and squalene mixture; performing vitamin E adsorption on the mixture through strong basic anion resin; performing sampling and impurity washing on the resin with a low alcohol solution to obtain impurity-washed oil and effluent; concentrating the impurity-washed oil and the effluent; then performing saponification, crystallization, and filtration to obtain squalene-rich filtrate; then performing two-stage molecular distillation on the filtrate so as to obtain the high-purity squalene. According to the method disclosed by the invention, the high-purity squalene is obtained from the DD oil on a large scale by adopting an industrially feasible way; the problems of insufficient raw materials and ever-increasing market demand of the squalene at present can be effectively solved; meanwhile, vitamin E, fatty acid methyl ester, sterol are also obtained, and DD oil resources are fully utilized.

Description

technical field [0001] The invention belongs to the technical field of recovery and utilization of vegetable oil deodorization distillates, and in particular relates to a method for obtaining squalene from vegetable oil deodorization distillates. Background technique [0002] Squalene is a class of highly unsaturated straight-chain triterpenoids with the molecular formula C 30 h 50 , is a colorless or yellowish transparent oily liquid. Squalene has various biological activities such as anti-oxidation, anti-tumor, anti-infection, and promotion of cardiovascular and cerebrovascular health, and is widely used in the fields of pharmaceuticals, cosmetics, and health products. At present, the main source of squalene is shark oil, which is expensive, so there is an urgent need for suitable raw material replacements to meet the large market demand. Synthesizing squalene by chemical means is an effective solution. However, due to the particularity of its structure, the reaction p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C7/00C07C7/04C07C7/12C07C7/14C07C7/148C07C11/21C07D311/72C11C3/04C11C3/10C07J9/00C11C1/00
CPCC07C7/005C07C7/04C07C7/12C07C7/14C07C7/14891C07D311/72C11C3/003C11C1/002C11C3/04C11C3/10C07J9/00C07C11/21
Inventor 谢道涛孟永宏郭建琦牛永洁
Owner SHAANXI HEALTHFUL BIOLOGICAL ENG
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