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Wet Air Oxidation of Long-chain Carboxylic Acids by J Sánchez-Oneto; J.R Portela; E Nebot; E.J Martı́nez-de-la-Ossa is a Engineering article available to read on EtoBox.

What is Wet Air Oxidation of Long-chain Carboxylic Acids about?

The wet air oxidation of long-chain carboxylic acids has been studied. Caprylic acid and oleic acid were selected for the degradation studies. The effectiveness of the process has been followed in terms of the disappearance of carboxylic acids and in terms of COD removal. The oxidation process was studied in the temperature range 473-573 K with a total pressure of 15 MPa of synthetic air, which means an oxygen excess. The oxidation process was found to be pseudo-first order with respect to the carboxylic acid concentration and the activation energies were 55.5 kJ/mol for caprylic acid and 53.8 kJ/mol for oleic acid. Acetic acid was found to be the main intermediate in the oxidation process and, therefore, a generalized kinetic model based on the formation and elimination of acetic acid has also been applied to the experimental data.

Who reads Wet Air Oxidation of Long-chain Carboxylic Acids?

Author

J Sánchez-Oneto; J.R Portela; E Nebot; E.J Martı́nez-de-la-Ossa

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1385-8947)

Published

2004

Language

EN

Field

Engineering (Physical Sciences)