Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Slightly acidic dyd catalyst for extracting vitamin E from vegetable oil deodorization distillate and method for extracting vitamin E

A deodorizing distillate and catalyst technology, applied in the field of slightly acidic DYD catalyst and its extraction of vitamin E, can solve the problems of unfavorable preservation of vitamin E components, large discharge of acidic wastewater, loss of vitamin E components, etc., and achieve simple extraction process Ease of operation, improved extraction rate, low volatility effect

Active Publication Date: 2018-04-20
丁以钿
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the traditional process of extracting vitamin E from vegetable oil deodorization distillates has certain defects. First, in the methylation process, concentrated sulfuric acid is used as a catalyst. The production equipment is severely corroded; the product after the other side of the esterification reaction needs a large amount of water washing to remove sulfuric acid, so it will cause a large amount of acid wastewater discharge; in addition, in order to improve the efficiency of the esterification reaction, Usually need to use excess methanol
Secondly, the traditional process requires both the esterification process and the transesterification process to convert fatty acids and neutral oils into fatty acid methyl esters, and cannot esterify the fatty acids and neutral oils in the vegetable oil deodorization distillate in one step. All oils are converted to fatty acid methyl esters
In particular, vitamin E will be decomposed and lost in an alkaline state, and the method of transesterification is not conducive to the preservation of vitamin E.
It can be seen that the traditional process of extracting vitamin E from the deodorized distillate of vegetable oil still has cumbersome process, high energy consumption, and a part of vitamin E content is lost

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) Preparation of solid superacid catalyst: at room temperature, according to Zr, Al, Fe atom molar ratio is 1:1:1 to take ZrOCl 2 , AlCl 3 and FeCl 3 , the ZrOCl 2 , AlCl 3 and FeCl 3 Mix and dissolve in distilled water to obtain a mixed solution, adjust the pH of the mixed solution to be 10 with 25% ammonia water by mass fraction, separate out the mixed hydroxide precipitation of zirconium (Ⅳ), aluminum (Ⅲ), iron (Ⅲ), and mix the hydrogen After oxide precipitation and aging for 8 hours, wash and filter the mixed hydroxide precipitation repeatedly until the filtrate does not contain Cl - , and then dry the filter cake obtained by washing and filtering at 105°C, and then cool it to room temperature and grind it into a 50-mesh powder. Dry it, then put it into a muffle furnace and roast it at 650°C for 5 hours, cool it to get a superacid solid, then add soybean oil deodorized distillate to the superacid solid, grind and stir to form a paste with a superacid solid ma...

Embodiment 2

[0035] (1) Preparation of solid superacid catalyst: at room temperature, according to Zr, Al, Fe atom molar ratio is 1:1.5:1.5 to take ZrOCl 2 , AlCl 3 and FeCl 3 , the ZrOCl 2 , AlCl 3 and FeCl 3 Mix and dissolve in distilled water to obtain a mixed solution, adjust the pH of the mixed solution to 9 with a mass fraction of 26% ammonia water, separate out the mixed hydroxide precipitation of zirconium (Ⅳ), aluminum (Ⅲ), iron (Ⅲ), and mix the hydrogen After oxide precipitation and aging for 9 hours, wash and filter the mixed hydroxide precipitation repeatedly until the filtrate does not contain Cl - , and then dry the filter cake obtained by washing and filtering at 102°C, and then cool it to room temperature and grind it into a 55-mesh powder. Dry it, then put it into a muffle furnace and roast it at 620°C for 8 hours, cool it to get a superacid solid, then add soybean oil deodorized distillate to the superacid solid, grind and stir to form a paste with a superacid solid ...

Embodiment 3

[0039] (1) Preparation of solid superacid catalyst: at room temperature, ZrOCl is taken according to Zr, Al, Fe atom molar ratio of 1:2:2 2 , AlCl 3 and FeCl 3 , the ZrOCl 2 , AlCl 3 and FeCl 3 Mix and dissolve in distilled water to obtain a mixed solution, adjust the pH of the mixed solution to be 8 with 28% ammonia water by mass fraction, separate out the mixed hydroxide precipitation of zirconium (Ⅳ), aluminum (Ⅲ), iron (Ⅲ), and mix the hydrogen After oxide precipitation and aging for 10 hours, wash and filter the mixed hydroxide precipitation repeatedly until the filtrate does not contain Cl - , then dry the filter cake obtained by washing and filtering at 100°C, then cool it to room temperature and grind it into a 60-mesh powder, then impregnate the powder with concentrated sulfuric acid at room temperature for 1.2 hours, filter dry at room temperature, and dry at 105°C Dry it, then put it into a muffle furnace and bake it at 600°C for 12 hours, cool it to get a supe...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a subacid DYD catalyst for vitamin E extraction from plant oil deodorizer distillates and a method for extracting vitamin E by using the subacid DYD catalyst. The subacid DYD catalyst is mainly prepared by compounding 52-55 parts by weight of a super solid acidic catalyst and 45-48 parts by weight of a solid base catalyst. The method for extracting vitamin E comprises the following steps: carrying out methyl esterification reaction by utilizing the subacid DYD catalyst; carrying out low-temperature crystallization to remove sterol; carrying out three-stage molecular distillation by utilizing a scraped film type molecular distiller. The subacid DYD catalyst and the method have the advantages as follows: the obtained subacid DYD catalyst can simultaneously catalyze esterfication of free fatty acid in plant oil deodorizer distillates and ester exchange of glyceride at a time, so that technological processes of vitamin E extraction from plant oil deodorizer distillates are simplified.

Description

technical field [0001] The invention relates to a slightly acidic DYD catalyst for extracting vitamin E from vegetable oil deodorization distillates and a method for extracting vitamin E. Background technique [0002] Vitamin E is a fat-soluble vitamin, and its hydrolyzed product is tocopherol, which is one of the most important antioxidants. Vitamin E can not only promote the secretion of sex hormones, but also protect T lymphocytes, protect red blood cells, resist free radical oxidation, inhibit Platelet aggregation reduces the risk of myocardial infarction and cerebral infarction. In addition, it also has a good effect on burns, frostbite, capillary hemorrhage, menopausal syndrome, and beauty. Natural vitamin E widely exists in plant fruits and rhizomes, and the content in vegetable oil is relatively high. In the process of modern oil refining, the content of vitamin E gradually decreases, and the content of vitamin E in refined oil is only about 60% to 70% of crude oil,...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B01J27/053C07D311/72
CPCB01J23/04B01J27/053B01J35/0006C07D311/72
Inventor 丁以钿刘五连游子扬丁宏
Owner 丁以钿
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com