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Reduction Kinetics of Iron Ore-Graphite Composite Pellets: Some Studies on the Reduction Kinetics of Iron Ore-Graphite Composite Pellets in a Packed Bed Reactor - Softcover
Inhaltsangabe
The rate of reduction of iron ore-graphite composite pellets under inert and reducing atmospheres has been investigated in a tailor made thermo-gravimetric packed-bed reactor. A very low overall apparent activation energy estimated from experimental data indicates that the reduction is not chemical kinetics controlled. A kinetic model has been developed to quantify the temporal evolution of different iron oxide phases and metallic iron. The rate-dependent parameters (frequency factors and activation energy) have been estimated from experimental data by applying an optimization tool (Genetic Algorithm). The predicted phases at various degrees of reduction were verified by X-ray diffraction and metallographic investigation. A simplified thermal model has also been developed to show the role of heat transfer on the kinetics of the reduction process under inert atmosphere. The reduction kinetics of the composite pellets in the packed bed under reactive atmosphere is not heat transfer controlled and might possibly be controlled by CO-gas mass transfer through the pellets.
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Über die Autorinnen und Autoren
Dr. Golap Mohammad Chowdhury; Deputy Manager, Iron & Sinter, Research & Develpoment Centre for Iron & Steel,SAIL,Ranchi,India. Dr. Gour Gopal Roy; Professor, Dept. of Metallurical & Materials Engg., IIT, Kharagpur, India. Dr. Sanat Kumar Roy; Professor & HoD, Dept. of Metallurical & Materials Engg., IIT, Kharagpur, India.
Dr. Golap Mohammad Chowdhury; Deputy Manager, Iron & Sinter, Research & Develpoment Centre for Iron & Steel,SAIL,Ranchi,India. Dr. Gour Gopal Roy; Professor, Dept. of Metallurical & Materials Engg., IIT, Kharagpur, India. Dr. Sanat Kumar Roy; Professor & HoD, Dept. of Metallurical & Materials Engg., IIT, Kharagpur, India.
Dr. Golap Mohammad Chowdhury; Deputy Manager, Iron & Sinter, Research & Develpoment Centre for Iron & Steel,SAIL,Ranchi,India. Dr. Gour Gopal Roy; Professor, Dept. of Metallurical & Materials Engg., IIT, Kharagpur, India. Dr. Sanat Kumar Roy; Professor & HoD, Dept. of Metallurical & Materials Engg., IIT, Kharagpur, India.
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Reduction Kinetics of Iron Ore-Graphite Composite Pellets
Verlag:
LAP LAMBERT Academic Publishing, 2010
ISBN 10: 384335782X
ISBN 13: 9783843357821
Neu
Softcover
Anbieter: moluna, Greven, Deutschland
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Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Chowdhury Dr. Golap MohammadDr. Golap Mohammad Chowdhury Deputy Manager, Iron & Sinter, Research & Develpoment Centre for Iron & Steel,SAIL,Ranchi,India. Dr. Gour Gopal Roy Professor, Dept. of Metallurical & Material. Bestandsnummer des Verkäufers 5465762
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Reduction Kinetics of Iron Ore-Graphite Composite Pellets : Some Studies on the Reduction Kinetics of Iron Ore-Graphite Composite Pellets in a Packed Bed Reactor
Verlag:
LAP LAMBERT Academic Publishing, 2010
ISBN 10: 384335782X
ISBN 13: 9783843357821
Neu
Taschenbuch
Anbieter: AHA-BUCH GmbH, Einbeck, Deutschland
Verkäuferbewertung 5 von 5 Sternen
Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The rate of reduction of iron ore-graphite composite pellets under inert and reducing atmospheres has been investigated in a tailor made thermo-gravimetric packed-bed reactor. A very low overall apparent activation energy estimated from experimental data indicates that the reduction is not chemical kinetics controlled. A kinetic model has been developed to quantify the temporal evolution of different iron oxide phases and metallic iron. The rate-dependent parameters (frequency factors and activation energy) have been estimated from experimental data by applying an optimization tool (Genetic Algorithm). The predicted phases at various degrees of reduction were verified by X-ray diffraction and metallographic investigation. A simplified thermal model has also been developed to show the role of heat transfer on the kinetics of the reduction process under inert atmosphere. The reduction kinetics of the composite pellets in the packed bed under reactive atmosphere is not heat transfer controlled and might possibly be controlled by CO-gas mass transfer through the pellets. Bestandsnummer des Verkäufers 9783843357821
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Reduction Kinetics of Iron Ore-Graphite Composite Pellets
Verlag:
LAP LAMBERT Academic Publishing Nov 2010, 2010
ISBN 10: 384335782X
ISBN 13: 9783843357821
Neu
Taschenbuch
Anbieter: buchversandmimpf2000, Emtmannsberg, BAYE, Deutschland
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Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The rate of reduction of iron ore-graphite composite pellets under inert and reducing atmospheres has been investigated in a tailor made thermo-gravimetric packed-bed reactor. A very low overall apparent activation energy estimated from experimental data indicates that the reduction is not chemical kinetics controlled. A kinetic model has been developed to quantify the temporal evolution of different iron oxide phases and metallic iron. The rate-dependent parameters (frequency factors and activation energy) have been estimated from experimental data by applying an optimization tool (Genetic Algorithm). The predicted phases at various degrees of reduction were verified by X-ray diffraction and metallographic investigation. A simplified thermal model has also been developed to show the role of heat transfer on the kinetics of the reduction process under inert atmosphere. The reduction kinetics of the composite pellets in the packed bed under reactive atmosphere is not heat transfer controlled and might possibly be controlled by CO-gas mass transfer through the pellets.Books on Demand GmbH, Überseering 33, 22297 Hamburg 112 pp. Englisch. Bestandsnummer des Verkäufers 9783843357821
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Reduction Kinetics of Iron Ore-Graphite Composite Pellets
Verlag:
LAP LAMBERT Academic Publishing Nov 2010, 2010
ISBN 10: 384335782X
ISBN 13: 9783843357821
Neu
Taschenbuch
Anbieter: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Deutschland
Verkäuferbewertung 5 von 5 Sternen
Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The rate of reduction of iron ore-graphite composite pellets under inert and reducing atmospheres has been investigated in a tailor made thermo-gravimetric packed-bed reactor. A very low overall apparent activation energy estimated from experimental data indicates that the reduction is not chemical kinetics controlled. A kinetic model has been developed to quantify the temporal evolution of different iron oxide phases and metallic iron. The rate-dependent parameters (frequency factors and activation energy) have been estimated from experimental data by applying an optimization tool (Genetic Algorithm). The predicted phases at various degrees of reduction were verified by X-ray diffraction and metallographic investigation. A simplified thermal model has also been developed to show the role of heat transfer on the kinetics of the reduction process under inert atmosphere. The reduction kinetics of the composite pellets in the packed bed under reactive atmosphere is not heat transfer controlled and might possibly be controlled by CO-gas mass transfer through the pellets. 112 pp. Englisch. Bestandsnummer des Verkäufers 9783843357821
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