Heat transfer to endothermic reaction zone

Liquid heaters and vaporizers – Miscellaneous

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122 7R, 422138, 422146, F22B 100

Patent

active

049516132

ABSTRACT:
A method and apparatus are disclosed for transferring heat to a reaction zone in which hot flue gas is passed through a heat exchanger positioned inside the reaction zone. The flue gas may be generated in a catalyst regenerator, a combustion chamber, or both. The combustion chamber may be external or internal to the heat exchanger. The invention is particularly useful for transferring heat to an endothermic fluid-bed catalytic reaction such as dehydrogenation or aromatization.

REFERENCES:
patent: 2703565 (1955-03-01), Lustig
patent: 3756942 (1973-09-01), Cattanach
patent: 3759821 (1973-09-01), Brennan et al.
patent: 3760024 (1973-09-01), Cattanach
patent: 3898043 (1975-08-01), Schutte et al.
patent: 4258017 (1981-03-01), Gelfand
patent: 4690802 (1987-09-01), Jenkinson
Kirk-Othmer Encyclopedia of Chemical Technology, Third Edition, vol. 9, John Wiley and Sons, 1980, pp. 706-709.
"M2 Forming-A Process for Aromatization of Light Hydrocarbons", N.Y. Chen and T. Y. Yan, 25 Ind. Eng. Chem. Process Des. Dev. 151 (1986).

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