Wet oxidation of Bayer liquor organics: Reaction mechanisms

Dong, S, Tardio, J, Loh, J, Power, G, Vernon, C and Bhargava, S 2010, 'Wet oxidation of Bayer liquor organics: Reaction mechanisms', in John A. Johnson (ed.) Light Metals 2010, United States, 14 - 18 February, 2010, pp. 209-214.


Document type: Conference Paper
Collection: Conference Papers

Title Wet oxidation of Bayer liquor organics: Reaction mechanisms
Author(s) Dong, S
Tardio, J
Loh, J
Power, G
Vernon, C
Bhargava, S
Year 2010
Conference name TMS 2010 Annual Meeting and Exhibition
Conference location United States
Conference dates 14 - 18 February, 2010
Proceedings title Light Metals 2010
Editor(s) John A. Johnson
Publisher The Minerals, Metals and Materials Society
Place of publication United States
Start page 209
End page 214
Total pages 6
Abstract Wet oxidation (WO) has the potential 10 become a preferred technology for the removal or organic contaminants from Bayer process liquors. Better understanding of Ihe reaction mechanisms involved in lhe degradation of organic compounds by oxygen in Strong caustic soda solutions is a key aspect of Ihe technology development required 10 bring this to reality. Sodium malonate is a component of most Bayer liquors which has been shown to be unusually reactive and 10 have the potential to promote reactions in other species. The work reponed here uses HC NMR to provide the first direct evidence of the key species involved in lhe oxidation of malonate and its derivatives. The relative reactivities of several dicarboxylatcs commonly present in Bayer liquors explained in terms their molecular structures.
Subjects Catalysis and Mechanisms of Reactions
Keyword(s) Bayer liquor
Reaction mechanism
Wet Oxidation
ISBN 9780873397476
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