Oxidative Conversion of Ethanol to Syngas in a Moving Bed Reactor. Effect of Gas-Dynamic Factors

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Тек жазылушылар үшін

Аннотация

An experimental study of oxidative conversion of ethanol to syngas in a filtration combustion moving bed reactor was conducted. The dependence of the composition of gaseous products on the flow rate of gaseous oxidizer at a constant excess air coefficient was investigated. The nonuniformity of the gas composition over the reactor cross-section was detected. A richer mixture flows in the central part of the reactor — the excess air coefficient values were 20–30% lower than the average value, and a leaner mixture flows in the near-wall region (15–20% higher than the average value). Numerical modeling of the part of the reactor where ethanol oxidation occurs qualitatively confirmed the presence of nonuniformity reactant concentration field and gas flow rates.

Толық мәтін

Рұқсат жабық

Авторлар туралы

A. Zaychenko

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: fta@icp.ac.ru
Ресей, Chernogolovka

D. Podlesny

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences

Email: fta@icp.ac.ru
Ресей, Chernogolovka

E. Polianczyk

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences

Email: fta@icp.ac.ru
Ресей, Chernogolovka

M. Salganskaya

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences

Email: fta@icp.ac.ru
Ресей, Chernogolovka

G. Tarasov

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences; Kutateladze Institute of Thermophysics of the Siberian Branch of the Russian Academy of Sciences

Email: fta@icp.ac.ru
Ресей, Chernogolovka; Novosibirsk

M. Tsvetkov

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Email: fta@icp.ac.ru
Ресей, Chernogolovka

Әдебиет тізімі

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2. Fig. 1. Dependence of volume concentration (V, %) of combustible components of ethanol conversion products on air flow rate (Gair, l/s): carbon monoxide - light squares; hydrogen - asterisks; ethylene - circles; methane - triangles.

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3. Fig. 2. Thermal image of the reactor during the ethanol conversion experiment.

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4. Fig. 3. Geometry of the modelled part of the laboratory reactor.

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5. Fig. 4. Gas flow velocity field along the length of the reactor in two planes: in the plane of the fuel supply channels (a); in the plane perpendicular to the fuel supply channels (b).

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6. Fig. 5. Oxygen concentration field along the reactor length in two planes: in the plane of the fuel supply channels (a); in the plane perpendicular to the fuel inlet (b).

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7. Fig. 6. Reagent concentration field along the reactor length: oxygen concentration (a); ethanol concentration (b).

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