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Open AccessArticle

Parametric Sensitivity Analysis for the Industrial Case of O-Xylene Oxidation to Phthalic Anhydride in a Packed Bed Catalytic Reactor

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Grupo de Investigación en Procesos Reactivos Intensificados y Materiales Avanzados—PRISMA, Departamento de Ingeniería Química, Facultad de Ingeniería y Arquitectura, Universidad Nacional de Colombia, Sede Manizales, Manizales 170004, Colombia
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Grupo de Investigación en Procesos Reactivos Intensificados y Materiales Avanzados—PRISMA, Departamento de Física y Química, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Colombia, Sede Manizales, Manizales 170004, Colombia
*
Author to whom correspondence should be addressed.
Catalysts 2020, 10(6), 626; https://doi.org/10.3390/catal10060626
Received: 1 May 2020 / Revised: 27 May 2020 / Accepted: 28 May 2020 / Published: 4 June 2020
(This article belongs to the Special Issue Commemorative Issue in Honor of Professor Hugo de Lasa)
The operation of packed bed tubular reactors, for exothermic catalytic reactions, presents special challenges provoked by hotspot development. Their potential safety risk can be assessed using different mathematical methodologies, among them, the so-called parametric sensitivity analysis (PSA). This study deals with the identification of safe operational conditions (e.g., feed temperature conditions) for the catalytic oxidation of o-xylene. Three different reaction networks, with different degrees of complexity, were analyzed. Thus, the critical values of the operating parameters, allowing us to define run-away and stable operation conditions, were provided for different reactive configurations. The obtained results were compared with the data reported by various authors who used similar reaction rate laws. The purpose of the present study is to illustrate the peculiarities of the PSA and its application for the design, analysis, and operation of o-xylene multitubular catalytic reactor. View Full-Text
Keywords: parametric sensitivity analysis; o-xylene oxidation; packed bed tubular reactor; safe operation conditions parametric sensitivity analysis; o-xylene oxidation; packed bed tubular reactor; safe operation conditions
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MDPI and ACS Style

Zuluaga-Botero, S.; Dobrosz-Gómez, I.; Gómez-García, M.-Á. Parametric Sensitivity Analysis for the Industrial Case of O-Xylene Oxidation to Phthalic Anhydride in a Packed Bed Catalytic Reactor. Catalysts 2020, 10, 626.

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