PL419029A1 - Method for purification of the mixture of oligoetherols obtained from the reaction of epichlorohydrin with glycerol - Google Patents
Method for purification of the mixture of oligoetherols obtained from the reaction of epichlorohydrin with glycerolInfo
- Publication number
- PL419029A1 PL419029A1 PL419029A PL41902916A PL419029A1 PL 419029 A1 PL419029 A1 PL 419029A1 PL 419029 A PL419029 A PL 419029A PL 41902916 A PL41902916 A PL 41902916A PL 419029 A1 PL419029 A1 PL 419029A1
- Authority
- PL
- Poland
- Prior art keywords
- mbar
- reaction
- mixture
- oligoetherols
- epichlorohydrin
- Prior art date
Links
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 3
- 239000000203 mixture Substances 0.000 title abstract 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 235000011187 glycerol Nutrition 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- XENVCRGQTABGKY-ZHACJKMWSA-N chlorohydrin Chemical compound CC#CC#CC#CC#C\C=C\C(Cl)CO XENVCRGQTABGKY-ZHACJKMWSA-N 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób oczyszczania mieszaniny oligoeteroli w reakcji (epi)chlorohydryny z gliceryną, który polega na tym, że mieszaninę poreakcyjną rozcieńcza się i zobojętnia kwasem korzystnie 36% roztworem kwasu solnego w przedziale pH od 5 do 8, korzystnie do pH równego 7, następnie roztwór poreakcyjny poddaje się odsoleniu metodą elektromembranową przy gęstości prądu do 500 A/m2, korzystnie prądu 300 A/m2 do przewodnictwa nie większego, niż 10 mS/cm, korzystnie 100 µS/cm, po czym wodę odparowuje się w temperaturze od 20°C do 90°C, korzystnie 40°C pod ciśnieniem od 40 mbar do 70 mbar, korzystnie 60 mbar, a glicerynę oddestylowuje się pod ciśnieniem od 3 mbar do 10 mbar, korzystnie 6 mbar, odbierając frakcje w przedziale temperatur od 150°C do 180°C.The subject of the application is a method of purifying a mixture of oligoetherols in the reaction of (epi) chlorohydrin with glycerin, which consists in the fact that the reaction mixture is diluted and neutralized with acid, preferably with a 36% hydrochloric acid solution in the range of pH 5 to 8, preferably to a pH of 7, then the reaction solution is desalted by electromembrane method at a current density of up to 500 A / m2, preferably a current of 300 A / m2 for a conductivity of not more than 10 mS / cm, preferably 100 µS / cm, after which the water is evaporated at a temperature of 20 ° C to 90 ° C, preferably 40 ° C at a pressure of 40 mbar to 70 mbar, preferably 60 mbar, and glycerin is distilled off at a pressure of 3 mbar to 10 mbar, preferably 6 mbar, receiving fractions in the temperature range from 150 ° C to 180 ° C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL419029A PL235945B1 (en) | 2016-10-07 | 2016-10-07 | Method for purification of the mixture of oligoetherols obtained from the reaction of epichlorohydrin with glycerol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL419029A PL235945B1 (en) | 2016-10-07 | 2016-10-07 | Method for purification of the mixture of oligoetherols obtained from the reaction of epichlorohydrin with glycerol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL419029A1 true PL419029A1 (en) | 2018-04-09 |
| PL235945B1 PL235945B1 (en) | 2020-11-16 |
Family
ID=61809965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL419029A PL235945B1 (en) | 2016-10-07 | 2016-10-07 | Method for purification of the mixture of oligoetherols obtained from the reaction of epichlorohydrin with glycerol |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL235945B1 (en) |
-
2016
- 2016-10-07 PL PL419029A patent/PL235945B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL235945B1 (en) | 2020-11-16 |
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