catalytic isomerization of dihydroxyacetone to lactic acid and alkyl lactates over hierarchical zeolites containing tin
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ID: 248713
2018
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Abstract
Hierarchical zeolites containing tin were obtained, characterized and used in a reaction of catalytic isomerization of dihydroxyacetone (DHA) to lactic acid and alkyl lactates. These catalysts are characterized by preserved crystallinity and primary microporosity with the simultaneous existence of secondary porosity regarding mesopores, which facilitates access of large molecules of reagents to active centers. Creation of additional porosity was confirmed by X-ray diffraction and low-temperature nitrogen adsorption/desorption studies. The reaction of dihydroxyacetone isomerization was conducted in different reaction media such as methanol, ethanol or water with the use of two heating methods: microwave radiation and conventional heating. The application of microwave radiation enabled to reduce the reaction time to 1 h and achieve dihydroxyacetone conversion of >90% and high yields of the desired reaction products.
| Reference Key |
feliczak-guzik2018catalystscatalytic
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| Authors | ;Agnieszka Feliczak-Guzik;Myroslav Sprynskyy;Izabela Nowak;Bogusław Buszewski |
| Journal | journal of essential oil research |
| Year | 2018 |
| DOI |
10.3390/catal8010031
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| URL | |
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