The Conversion of Ethanol to Syngas by Partial Oxidation in a Non-Premixed Moving Bed Reactor

Sergei Dorofeenko, Dmitry Podlesniy (), Eugene Polianczyk, Marina Salganskaya, Maxim Tsvetkov, Leonid Yanovsky and Andrey Zaichenko
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Sergei Dorofeenko: Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS, 1 Academician Semenov Avenue, 142432 Chernogolovka, Russia
Dmitry Podlesniy: Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS, 1 Academician Semenov Avenue, 142432 Chernogolovka, Russia
Eugene Polianczyk: Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS, 1 Academician Semenov Avenue, 142432 Chernogolovka, Russia
Marina Salganskaya: Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS, 1 Academician Semenov Avenue, 142432 Chernogolovka, Russia
Maxim Tsvetkov: Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS, 1 Academician Semenov Avenue, 142432 Chernogolovka, Russia
Leonid Yanovsky: Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS, 1 Academician Semenov Avenue, 142432 Chernogolovka, Russia
Andrey Zaichenko: Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry RAS, 1 Academician Semenov Avenue, 142432 Chernogolovka, Russia

Energies, 2024, vol. 17, issue 23, 1-10

Abstract: An experimental investigation into the conversion of ethanol to syngas by partial oxidation in a non-premixed counterflow moving bed filtration combustion reactor was carried out. Regimes of conversion depending on the mass flow rates of fuel and air (separate feeding), as well as a granular solid heat carrier, were studied. Depending on the mass flow rate of the heat carrier, two combustion modes were realized—reaction trailing and intermediate—with different temperature patterns in the gas preheating, combustion, and cooling zones along the reactor. The product gas composition is far from the predictions of the equilibrium model; it contains substation fractions of methane and ethylene. Combustion temperature and conversion are limited by the relatively high level of heat loss from the laboratory-scale reactor. The effect of the heat loss can be reduced by enhancing the absolute flow rate of the reactants.

Keywords: ethanol; syngas; producer gas; partial oxidation; excess enthalpy; combustion; heat loss (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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