OPTIMAL DISTRIBUTION OF MULTIFUNCTIONAL CATALYSTS IN A PACKED BED REACTOR
作者:
J.SCOTT BUCHANAN,
SANKARAN SUNDARESAN,
期刊:
Chemical Engineering Communications
(Taylor Available online 1986)
卷期:
Volume 40,
issue 1-6
页码: 25-39
ISSN:0098-6445
年代: 1986
DOI:10.1080/00986448608911688
出版商: Taylor & Francis Group
关键词: Catalyst distribution;Reactor loading;Multifunctional catalysts;Optimization
数据来源: Taylor
摘要:
The problem of the optimal distribution of two multifunctional catalysts is analyzed. Two methods for obtaining optimal catalyst profiles, an analytic-numeric method and the method of steepest ascent, are compared. Though the analytic-numeric method yields a more accurate solution, the method of steepest ascent is usually easier to apply. Optimal catalyst loading profiles are determined for two cases of commercial interest: selective oxidation of butene and naphtha reforming with bimetallic catalysts- A sequential loading of the bismuth molybdate and the vanadium phosphate catalysis is recommended for low butene concentration levels, while at higher butene levels a mixed loading of the two catalysts may be desirable. For commonly encountered naphtha feedstocks a sequential loading of the Pt-Re and the Pt-Ir catalysts tends to be optimal. These compare well with experimental evidence in the literature.
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