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- Title
Experimentally Calculated Study of the Effectiveness on the Process of Non-Catalytic Synthesis of Biodiesel in Reactors of Various Type.
- Authors
Meshalkin, Valeriy; Sapunov, Valentin; Kozlovskiy, Roman; Kozlovskiy, Ivan; Staroverov, Dmitry; Luganskiy, Artur; Voronov, Mikhail
- Abstract
It was experimentally established that the dependence of the partial pressure of methanol on the molar fraction of methanol in oil shows a pronounced negative deviation from Raoul's law, which significantly changes the idea of the influence of a large excess of methanol during non-catalytic synthesis of biodiesel. The efficiency of use of a molar excess of methanol is reduced as it grows, and with a more than 10-fold molar excess of the amount of reacted methanol, is practically constant. The comparison of biodiesel production processes in the range 220–235 °C showed that a slight change in the process temperature more effectively affects the biodiesel yield than an increase in the molar excess of methanol. A mathematical model of the process of transesterification of rapeseed oil in reactors of various types (batch and tubular reactors) is developed. A satisfactory correlation between the experimental and calculated data was observed. The calculation showed that the rate constants of the reverse reactions at 230 °C were not significant.
- Subjects
RAPESEED oil; METHANOL as fuel; TUBULAR reactors; MOLE fraction; PARTIAL pressure; BATCH reactors
- Publication
Processes, 2021, Vol 9, Issue 9, p1488
- ISSN
2227-9717
- Publication type
Academic Journal
- DOI
10.3390/pr9091488