| Title |
Investigation of epoxidation of used cooking oils with homogeneous and heterogeneous catalysts |
| ID_Doc |
23317 |
| Authors |
Kuranska, M; Benes, H; Prociak, A; Trhlíková, O; Walterová, Z; Stochlinska, W |
| Title |
Investigation of epoxidation of used cooking oils with homogeneous and heterogeneous catalysts |
| Year |
2019 |
| Published |
|
| DOI |
10.1016/j.jclepro.2019.117615 |
| Abstract |
A sustainable solvent-free process of the utilization of waste cooking oils has been developed using different types of catalysts. The process offers a tool to create a cleaner technology for the production of bio-components which will be building blocks of the sustainable polymeric materials. Used cooking oils collected from local restaurants have been epoxidized using homogeneous (H2SO4, H3PO4) and heterogeneous (Amberlite IR-120) catalysts. The epoxidation reactions were carried out using "in situ"-formed peroxy acid. The effect of the catalysts on the epoxidation process and the properties of the final products were described. The highest conversion (81%) was achieved for the reaction catalyzed by H2SO4, but the selectivity of this reaction was the lowest (47%). On the other hand, the highest selectivity was obtained for the reaction performed using H3PO4, but the yield of this reaction (26%) was the lowest. In the case of ion-exchange resin (Amberlite IR-120), the conversion of double bonds, selectivity and efficiency were 55, 74 and 40%, respectively. The extent of side reactions depended on the type of used catalyst as it was confirmed by FTIR, GPC, MALDI-TOF as well as by the changes of the product's viscosity. The results should play an important role in the future development of a new approach to the environmentally friendly solvent-free epoxidation process of waste oils. (C) 2019 Elsevier Ltd. All rights reserved. |
| Author Keywords |
Circular economy; Municipal waste; Epoxidation; Polymers |
| Index Keywords |
Index Keywords |
| Document Type |
Other |
| Open Access |
Open Access |
| Source |
Science Citation Index Expanded (SCI-EXPANDED) |
| EID |
WOS:000483414000059 |
| WoS Category |
Green & Sustainable Science & Technology; Engineering, Environmental; Environmental Sciences |
| Research Area |
Science & Technology - Other Topics; Engineering; Environmental Sciences & Ecology |
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