Catalytic wet oxidation of ferulic acid

Jani, H, Bhargava, S, Tardio, J, Akolekar, D and Hoang, M 2008, 'Catalytic wet oxidation of ferulic acid', International Journal of Environmental Technology and Management, vol. 9, no. 1, pp. 87-96.

Document type: Journal Article
Collection: Journal Articles

Title Catalytic wet oxidation of ferulic acid
Author(s) Jani, H
Bhargava, S
Tardio, J
Akolekar, D
Hoang, M
Year 2008
Journal name International Journal of Environmental Technology and Management
Volume number 9
Issue number 1
Start page 87
End page 96
Total pages 9
Publisher Inderscience Publishers
Abstract Catalytic Wet Oxidation (CWO) of aqueous ferulic acid (a lignin model compound) was carried out under mild conditions (100¿150°C, ~300 kPa PO2). Significant removal of ferulic acid (in terms of Total Organic Carbon (TOC)) (81% at 100°C and 95% at 150°C after 2 hr) was obtained using a CuNiCe/Al2O3 catalyst. A considerable portion of this TOC was removed during the heat-up period prior to oxygen addition (40% at 100°C and 62% at 150°C). This was most likely due to oxidation of organics by the catalysts' lattice oxygen, catalytic decarboxylation or adsorption. No TOC removal occurred in the absence of the catalyst during the heat-up period at 150°C. The catalytic mechanism in the presence of oxygen was also investigated using various techniques (FTIR, GC-MS and Electrospray-MS). Based on the data obtained an adsorption/desorption/oxidation mechanism is proposed.
Subject Catalysis and Mechanisms of Reactions
Keyword(s) wet oxidation
catalytic wet air oxidation
pulp and paper mill effluents
ferulic acid
transition metal catalysts
wastewater treatment
high-pressure reactor
organic removal
DOI - identifier 10.1504/IJETM.2008.017862
Copyright notice © 2008 Inderscience Publishers
ISSN 1466-2132
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Created: Mon, 28 Sep 2009, 08:35:17 EST by Catalyst Administrator
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