Kinetics and transport parameters for the fixed-bed catalytic incineration of volatile organic compounds

• Published in: Environmental science & technology Vol. 25; no. 12; pp. 2065 - 2070
• Main Authors: Frost, Albert C, Sawyer, John E, Summers, Jerry C, Shah, Yatish T, Dassori, Carlos G
• Format: Journal Article
• Language: English
• Published: Washington, DC American Chemical Society 01.12.1991
• Subjects: Applied sciences; Atmospheric pollution; Exact sciences and technology; General processes of purification and dust removal; Pollution; Prevention and purification methods; Volatile compound; Catalytic reaction; Mathematical model; Flue gas purification; Fixed bed reactor; Organic compounds
• ISSN: 0013-936X; 1520-5851
• DOI: 10.1021/es00024a012

A mathematical model has been developed for scaling-up a commercial catalytic incinerator from laboratory data. It incorporated a Langmuir-Hinshelwood kinetic expression, a bulk film mass-transfer coefficient for the gas flowing round the catalyst pellets, a solid mass-transfer coefficient for any layer of refractory support material that might be covering the noble metal and the dispersion coefficients for mass and heat along the length of the reactor. An example is given of the use of the model to estimate 4 Langmuir-Hinshelwood constants and the mass-transfer coefficient for the alumina layer covering the platinum, from laboratory temperature-conversion data for n-hexane, n-octane, n-decane and n-dodecane.