PL406679A1 - Method for obtaining methyl or ethyl glycerol ethers - Google Patents
Method for obtaining methyl or ethyl glycerol ethersInfo
- Publication number
- PL406679A1 PL406679A1 PL406679A PL40667913A PL406679A1 PL 406679 A1 PL406679 A1 PL 406679A1 PL 406679 A PL406679 A PL 406679A PL 40667913 A PL40667913 A PL 40667913A PL 406679 A1 PL406679 A1 PL 406679A1
- Authority
- PL
- Poland
- Prior art keywords
- alcohol
- methyl
- glycerol
- ethyl
- ethers
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- -1 ethyl glycerol ethers Chemical class 0.000 title abstract 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 title abstract 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 16
- 235000011187 glycerol Nutrition 0.000 abstract 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 6
- 235000019441 ethanol Nutrition 0.000 abstract 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical class CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 2
- 229930195729 fatty acid Natural products 0.000 abstract 2
- 239000000194 fatty acid Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000003377 acid catalyst Substances 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000007872 degassing Methods 0.000 abstract 1
- 239000002283 diesel fuel Substances 0.000 abstract 1
- 230000005672 electromagnetic field Effects 0.000 abstract 1
- 125000004494 ethyl ester group Chemical group 0.000 abstract 1
- 150000004665 fatty acids Chemical class 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 125000001174 sulfone group Chemical group 0.000 abstract 1
- 238000005809 transesterification reaction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Przedmiotem wynalazku jest sposób otrzymywania metylowych lub etylowych eterów gliceryny, w którym frakcję glicerynową z procesu transestryfikacji triglicerydów kwasów tłuszczowych alkoholem metylowym lub alkoholem etylowym, zawierającą estry metylowe lub etylowe kwasów tłuszczowych, nieprzereagowany alkohol oraz wodę, poddaje się reakcji z alkoholem w obecności katalizatora o charakterze kwasowym, w zamkniętym układzie ciśnieniowym. Sposób charakteryzuje się tym, że frakcję glicerynową, o zawartości gliceryny ?90% wagowych i pH w zakresie 0<pH ?7, poddaje się reakcji z alkoholem metylowym lub alkoholem etylowym w temperaturze od 140 do 200°C, pod ciśnieniem od 5 do 90 bar, ewentualnie w obecności pola elektromagnetycznego, wobec katalizatora zawierającego aktywną grupę sulfonową, a następnie z mieszaniny poreakcyjnej, po schłodzeniu do temperatury poniżej 60°C, odgazowaniu oraz usunięciu z niej kwasowego katalizatora, wydziela się etery gliceryny w znany sposób, które poddaje się ewentualnemu rozdzieleniu na frakcje mono-, di- lub trieteru gliceryny. Metylowe lub etylowe etery gliceryny są między innymi stosowane jako komponenty polepszające właściwości użytkowe olejów napędowych używanych w silnikach wysokoprężnych. Mogą być również stosowane w produkcji poliuretanów.The subject of the invention is a method of obtaining glycerol methyl or ethyl ethers, in which the glycerol fraction from the process of transesterification of fatty acid triglycerides with methyl alcohol or ethyl alcohol, containing methyl or ethyl esters of fatty acids, unreacted alcohol and water is reacted with alcohol in the presence of a catalyst of the nature acid, in a closed pressure system. The method is characterized in that the glycerin fraction, having a glycerin content of 90% by weight and a pH in the range of 0 <pH 6, is reacted with methyl alcohol or ethyl alcohol at a temperature of 140 to 200 ° C, at a pressure of 5 to 90 barium, optionally in the presence of an electromagnetic field, in the presence of a catalyst containing an active sulfone group, and then from the reaction mixture, after cooling to a temperature below 60 ° C, degassing and removal of the acid catalyst from it, glycerol ethers are separated in a known manner, which is subjected to optional separation into glycerol mono-, di- or trieter fractions. Glycerol methyl or ethyl ethers are among others used as components to improve the performance of diesel fuels used in diesel engines. They can also be used in the production of polyurethanes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL406679A PL223423B1 (en) | 2013-12-23 | 2013-12-23 | Method for obtaining methyl or ethyl glycerol ethers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL406679A PL223423B1 (en) | 2013-12-23 | 2013-12-23 | Method for obtaining methyl or ethyl glycerol ethers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL406679A1 true PL406679A1 (en) | 2015-07-06 |
| PL223423B1 PL223423B1 (en) | 2016-10-31 |
Family
ID=53492735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL406679A PL223423B1 (en) | 2013-12-23 | 2013-12-23 | Method for obtaining methyl or ethyl glycerol ethers |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL223423B1 (en) |
-
2013
- 2013-12-23 PL PL406679A patent/PL223423B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL223423B1 (en) | 2016-10-31 |
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