Degradation of tert-butyl formate and its intermediates by an ozone/UV process |
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| Institution: | 1. School of Architecture, Harbin Institute of Technology, Key Laboratory of Cold Region Urban and Rural Human Settlement Environment Science and Technology, Ministry of Industry and Information Technology, Harbin 150090, China;2. Department of Agricultural and Biological Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;1. School of Civil and Environment Engineering, University of Technology, Sydney (UTS), P.O. Box 123, Broadway, NSW 2007, Australia;2. School of Civil and Environmental Engineering, Kookmin University, Jeongneung-Dong, Seongbuk-Gu, Seoul 136702, Republic of Korea;1. Departament d''Enginyeria Química, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Spain;2. Departament d''Enginyeria Química, Universitat Politècnica de Catalunya, Av. Víctor Balaguer S/N, 08800 Vilanova i la Geltrú, Spain;3. GEPEA, Université de Nantes, CNRS, UMR6144, bd de l''Université, CRTT — BP 406, 44602 Saint-Nazaire Cedex, France;4. AlgoSource SAS, 37 bd de l''Université, CRTT — BP 406, 44602 Saint-Nazaire Cedex, France |
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| Abstract: | In this paper, the oxidation of tert-butyl formate (TBF) in aqueous solution by an ozone/UV process was described. The oxidation process was investigated experimentally in a semibatch reactor. The results of the study indicated that the ozone/UV process was very effective in oxidizing TBF. tert-Butyl alcohol (TBA), hydroxy-iso-butyraldehyde (HiBA), acetone, formaldehyde, and formic acid were identified as major primary intermediates during the oxidation of TBF. About 90% organic carbon balance was obtained indicating that most reaction intermediates have been identified and quantified. Some of the primary intermediates were also oxidized in the ozone/UV system. Accordingly, HiBA, acetone, formaldehyde, and formic acid were the primary intermediates of TBA oxidation. The oxidation of acetone in the ozone/UV system generated formaldehyde, pyruvaldehyde, acetic acid, formic acid as primary intermediates. It was also observed that the reaction intermediates formed during the oxidation of TBF react well in the ozone/UV system and complete mineralization could be achieved by the process. |
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