Article | REF: J4050 V1

Calculation of catalytic reactors - Phthalic anhydride synthesis

Author: Monique FERRER

Publication date: December 10, 2006

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1. Overview of the phthalic anhydride production process

Several processes leading to the manufacture of phthalic anhydride can be listed. They are essentially based on the controlled oxidation of orthoxylene or naphthalene by air. This oxidation always takes place over a catalyst. The most commonly used in industry consists of vanadium pentoxide alone or in a mixture with titanium oxide. However, other types of V-Mo catalysts , Pd and Pt/HFAU

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Overview of the phthalic anhydride production process