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Kinetics of the thermal decomposition of acid tar

Yablokov, V. A. / Kolmakov, G. A. / Mitrofanova, S. V. / Zanozina, V. F. / Karataev, E. N. / Zorin, A. D. / Grishin, D. F.

Abstract It has been shown that the reaction rate of the thermal decomposition of acid tar containing sulfoacids obeys the equation of the first order reaction. Two temperature ranges of thermal decomposition have been detected. The processes of the liquid phase transformation of the components of the reaction mixture dominate in the low temperature range (200–360°C, apparent activation energy E = 37 kJ/mol), and gas-phase reactions dominate in the high temperature range (390–500°C, E = 106 kJ/mol). Sulfuric acid, additionally introduced into acid tar, participates in redox reactions, resulting in the rapid formation of sulfur(IV) oxides and benzene.

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Kinetics of the thermal decomposition of acid tar

Yablokov, V. A. / Kolmakov, G. A. / Mitrofanova, S. V. / Zanozina, V. F. / Karataev, E. N. / Zorin, A. D. / Grishin, D. F.

Abstract It has been shown that the reaction rate of the thermal decomposition of acid tar containing sulfoacids obeys the equation of the first order reaction. Two temperature ranges of thermal decomposition have been detected. The processes of the liquid phase transformation of the components of the reaction mixture dominate in the low temperature range (200–360°C, apparent activation energy E = 37 kJ/mol), and gas-phase reactions dominate in the high temperature range (390–500°C, E = 106 kJ/mol). Sulfuric acid, additionally introduced into acid tar, participates in redox reactions, resulting in the rapid formation of sulfur(IV) oxides and benzene.

Kinetics of the thermal decomposition of acid tar

Yablokov, V. A. / Kolmakov, G. A. / Mitrofanova, S. V. / Zanozina, V. F. / Karataev, E. N. / Zorin, A. D. / Grishin, D. F.

Abstract It has been shown that the reaction rate of the thermal decomposition of acid tar containing sulfoacids obeys the equation of the first order reaction. Two temperature ranges of thermal decomposition have been detected. The processes of the liquid phase transformation of the components of the reaction mixture dominate in the low temperature range (200–360°C, apparent activation energy E = 37 kJ/mol), and gas-phase reactions dominate in the high temperature range (390–500°C, E = 106 kJ/mol). Sulfuric acid, additionally introduced into acid tar, participates in redox reactions, resulting in the rapid formation of sulfur(IV) oxides and benzene.

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Titel:

Kinetics of the thermal decomposition of acid tar

Beteiligte:

Yablokov, V. A. (Autor:in) / Kolmakov, G. A. (Autor:in) / Mitrofanova, S. V. (Autor:in) / Zanozina, V. F. (Autor:in) / Karataev, E. N. (Autor:in) / Zorin, A. D. (Autor:in) / Grishin, D. F. (Autor:in)

Erschienen in:

Petroleum Chemistry ; 50 ; 237-241

Erscheinungsdatum:

01.05.2010

Format / Umfang:

5 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544110030096

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Thermal Decomposition , Bitumen , Apparent Activation Energy , Hydrogen Sulfide , Petroleum Chemistry Chemistry , Industrial Chemistry/Chemical Engineering

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