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Scientific Paper

Thermal Field-Flow Fractionation and Gas Chromatography−Mass Spectrometry in Determination of Decomposition Products of Expandable Polystyrene after Reactions in Pressurized Hot Water and Supercritical Water

Reference Type:Journal Article
Author:Kronholm, Juhani;Vastamäki, Pertti;Räsänen, Riikka;Ahonen, Annukka;Hartonen, Kari;Riekkola, Marja-Liisa
Author Addresses:Department of Ecological and Environmental Sciences, University of Helsinki, Niemenkatu 73, FIN-15140 Lahti, FinlandLaboratory of Analytical Chemistry, Department of Chemistry, University of Helsinki, P.O. Box 55, FIN-00014 University of Helsinki, FinlandVTT Technical Research Centre of Finland, VTT Processes, P.O. Box 1602, FIN-02044 VTT, Finland
Title:Thermal Field-Flow Fractionation and Gas Chromatography−Mass Spectrometry in Determination of Decomposition Products of Expandable Polystyrene after Reactions in Pressurized Hot Water and Supercritical Water
Secondary Title:Industrial & Engineering Chemistry Research
Periodical Title:Industrial & Engineering Chemistry Research
Pages:3029-3035
Volume:45
Number:9
Year:2006
Publishing Date: 01.04.2006
ISBN:0888-5885
Related URLs:http://dx.doi.org/10.1021/ie058058f

Nonbiodegradable polymers are an environmental concern, and various techniques have been developed to recycle and reuse them. Pressurized hot water, or supercritical water, is an interesting alternative as a reaction medium for depolymerization, since water is a readily available “green” solvent and its physicochemical properties can be widely adjusted in the vicinity of the critical point. In the present study, various reaction conditions (reaction time, temperature, and use of additives and catalysts, i.e., H

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