Study of a multitubular fixed-bed reactor for ethylene production via ethane oxidative dehydrogenation

被引：0
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作者：
López, Eduardo [1 ,3 ]
Heracleous, Eleni [2 ]
Lemonidou, Angeliki A. [2 ]
Borio, Daniel O. [1 ]
机构：
[1] Planta Piloto de Ingeniería Química (UNS-CONICET), Camino La Carrindanga km. 7, 8000 Bahía Blanca, Argentina
[2] Department of Chemical Engineering, Aristotle University of Thessaloniki, Chemical Process Engineering Research Institute (CERTH/CPERI), P.O. Box 1517, University Campus, GR-54006 Thessaloniki, Greece
[3] Institut de Tècniques Energètiques, Universitat Politècnica de Catalunya, ed. ETSEIB, Diagonal 647, 08028 Barcelona, Spain
来源：
Chemical Engineering Journal | 2008年 / 145卷 / 02期
关键词：
In the present contribution; a theoretical study of a multitubular fixed bed reactor for the ethane to ethylene oxidative dehydrogenation reaction over a highly active and selective Ni-Nb-O mixed oxide catalyst is presented. Two reactor designs are proposed and their performance is analyzed by means of a mathematical model of the catalytic bed. The results suggest that the reactor operation would be feasible; provided that high heat transfer area per unit volume and low oxygen concentrations along the tube are maintained. A two-bed multitubular reactor with intermediate air injection proved to be superior to a single-bed design. In fact; the two-bed configuration offers higher ethylene production rates; due to the increased ethylene selectivity while operation under lower oxygen partial pressures. © 2008 Elsevier B.V. All rights reserved;
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页码：308 / 315
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