PL417585A1 - Method for obtaining polymethoxy glycerol esters of higher fatty acids - Google Patents
Method for obtaining polymethoxy glycerol esters of higher fatty acidsInfo
- Publication number
- PL417585A1 PL417585A1 PL417585A PL41758516A PL417585A1 PL 417585 A1 PL417585 A1 PL 417585A1 PL 417585 A PL417585 A PL 417585A PL 41758516 A PL41758516 A PL 41758516A PL 417585 A1 PL417585 A1 PL 417585A1
- Authority
- PL
- Poland
- Prior art keywords
- fatty acids
- higher fatty
- esters
- application
- polymethoxy
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób wytwarzania polimetoksyglicerolowych estrów wyższych kwasów tłuszczowych z surowej fazy glicerynowej powstającej przy produkcji estrów metylowych wyższych kwasów tłuszczowych, charakteryzujący się tym, że fazę glicerynową ogrzewa się do temperatury 50°C, pod ciśnieniem atmosferycznym w obecności katalizatora ciekłego w postaci związku oksoniowego : [(CH3OH2)+ + (OSO2OH2)-], utworzonego z bezwodnego CH3OH i stężonego 98% H2SO4 najkorzystniej w stosunku wagowym /m/ jak 1:2, przy czym do reaktora dozuje się stopniowo katalizator do uzyskania pH = 2,5, przy którym ze środowiska reakcji wydziela się bezpostaciowy osad KHSO4 lub K2SO4 przy pH = 4. Zgłoszenie obejmuje też katalizator ciekły w postaci soli oksoniowej [(CH3OH2)+ + (OSO2OH)-], który stanowił siarczan dimetylu rozpuszczalny w nadmiarze kwasu siarkowego w stosunku molowym 3:1 (98% CH3OH I 96% H2SO4). Ponadto zgłoszenie dotyczy też sposobu oddzielania estrów polimetoksyglicerolowych od estrów metylowych wyższych kwasów tłuszczowych.The subject of the application is a method for producing polymethoxyglycerol esters of higher fatty acids from the crude glycerol phase resulting from the production of methyl esters of higher fatty acids, characterized in that the glycerol phase is heated to 50 ° C, at atmospheric pressure in the presence of a liquid oxonium compound: [(CH3OH2) + + (OSO2OH2) -], formed from anhydrous CH3OH and concentrated 98% H2SO4, most preferably in a weight / m / like 1: 2 ratio, the catalyst being gradually metered into the reactor until pH = 2.5, at which form an amorphous precipitate KHSO4 or K2SO4 at pH = 4 from the reaction medium. The application also includes a liquid catalyst in the form of the oxonium salt [(CH3OH2) + + (OSO2OH) -], which was dimethyl sulfate soluble in an excess of 3 sulfuric acid : 1 (98% CH3OH and 96% H2SO4). In addition, the application also relates to a method for separating polymethoxyglycerol esters from methyl esters of higher fatty acids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL417585A PL417585A1 (en) | 2016-06-15 | 2016-06-15 | Method for obtaining polymethoxy glycerol esters of higher fatty acids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL417585A PL417585A1 (en) | 2016-06-15 | 2016-06-15 | Method for obtaining polymethoxy glycerol esters of higher fatty acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL417585A1 true PL417585A1 (en) | 2017-12-18 |
Family
ID=60655752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL417585A PL417585A1 (en) | 2016-06-15 | 2016-06-15 | Method for obtaining polymethoxy glycerol esters of higher fatty acids |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL417585A1 (en) |
-
2016
- 2016-06-15 PL PL417585A patent/PL417585A1/en unknown
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