Modeling of Thermogasdynamics and Thermal Processes of Volatile Halides of Elements of III, IV and VI Groups in Thermal Plasma of RF-IC Discharge at Atmospheric Pressure

A mathematical model has been proposed and verified, based on the combination of thermodynamic calculations of equilibrium plasma and CFD-modeling of the plasma-chemical reactor for hydrogen recovery of volatile halides. An experimental study of the hydrogen reduction processes of BCl 3 and SiCl 4 w...

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Veröffentlicht in:Plasma chemistry and plasma processing 2022-11, Vol.42 (6), p.1381-1403
Hauptverfasser: Shabarova, L. V., Kornev, R. A., Ermakov, A. A., Shkrunin, V. E., Shishkin, A. I., Belov, A. A., Kalyasov, P. S.
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container_issue 6
container_start_page 1381
container_title Plasma chemistry and plasma processing
container_volume 42
creator Shabarova, L. V.
Kornev, R. A.
Ermakov, A. A.
Shkrunin, V. E.
Shishkin, A. I.
Belov, A. A.
Kalyasov, P. S.
description A mathematical model has been proposed and verified, based on the combination of thermodynamic calculations of equilibrium plasma and CFD-modeling of the plasma-chemical reactor for hydrogen recovery of volatile halides. An experimental study of the hydrogen reduction processes of BCl 3 and SiCl 4 was carried out under conditions of RF-IC (RF inductively coupled) discharge at atmospheric pressure. Based on the experimental results, the developed mathematical model was validated. A series of numerical experiments on parametric study of gas dynamics of high-frequency plasmatron with vortex stabilization of flow for various hydrogen concentrations in argon-hydrogen plasma-forming mixture was carried out. Thermodynamic calculations and CFD modeling were made for input into the reaction chamber of chemically active gas mixtures (BCl 3 + H 2 ), (BF 3 + H 2 ), (SiCl 4 + H 2 ), (SiF 4 + H 2 ), (MoF 6 + H 2 ), (WF 6 + H 2 ), (BCl 3 + CH 4 + H 2 ), (BF 3 + CH 4 + H 2 ), (SiF 4 + CH 4 + H 2 ), (MoF 6 + CH 4 + H 2 ) and (WF 6 + CH 4 + H 2 ). The values for the predictive efficiency and the degree of conversion of target products were obtained.
doi_str_mv 10.1007/s11090-022-10276-w
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subjects Argon
Atmospheric pressure
Boron chlorides
Characterization and Evaluation of Materials
Chemical reactors
Chemistry
Chemistry and Materials Science
Classical Mechanics
Discharge
Gas dynamics
Gas mixtures
Halides
Hydrogen
Hydrogen plasma
Hydrogen reduction
Inorganic Chemistry
Mathematical analysis
Mathematical models
Mechanical Engineering
Methane
Original Paper
Plasma
Silicon tetrachloride
Thermal plasmas
Thermodynamic equilibrium
Thermodynamics
title Modeling of Thermogasdynamics and Thermal Processes of Volatile Halides of Elements of III, IV and VI Groups in Thermal Plasma of RF-IC Discharge at Atmospheric Pressure
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