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Kinetics analysis of phenol and benzene decomposition in supercritical water

Published in ISI Journal. Full text article available in Science Direct

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Main Author: Tau Len-Kelly Yong, Yukihiko Matsumura
Format:
Published: Elsevier 2014
Subjects:
Biomass
Phenol
Benzene
Supercritical water
Flow reactor
Lignin
Online Access:http://www.sciencedirect.com/science/article/pii/S0896844613004221
http://localhost/xmlui/handle/123456789/7094
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spelling my.unikl.ir-70942014-06-25T03:53:17Z Kinetics analysis of phenol and benzene decomposition in supercritical water Tau Len-Kelly Yong, Yukihiko Matsumura Biomass Phenol Benzene Supercritical water Flow reactor Lignin Published in ISI Journal. Full text article available in Science Direct Decomposition of phenol and benzene was studied in supercritical water (SCW) at 370–450 °C and 25 MPa over very short residence times (0.5–100 s). The study of simple model compounds such as phenol and benzene is an essential preliminary step to elucidate the primary mechanism of char and gas formation from lignin compounds. A quantitative detailed chemical kinetics model for the primary pathways of phenol and benzene decomposition in SCW was determined using the reaction pathways for its decomposition under supercritical conditions. The activation energy of benzene decomposition (91.16 kJ mol−1) in SCW is much higher than that of phenol (54.17 kJ mol−1) under similar experimental conditions. This emphasized the importance of the substituent group (hydroxyl group) in the benzene ring to enhance its decomposition rate. In addition, the reaction rate parameters, which are deduced for the overall reaction network of its decomposition under similar conditions, show good agreement with each another. Hence, the reaction rates of these reaction pathways are successfully described in this study. 2014-06-25T03:53:17Z 2014-06-25T03:53:17Z 2014-03 http://www.sciencedirect.com/science/article/pii/S0896844613004221 http://localhost/xmlui/handle/123456789/7094 The Journal of Supercritical Fluids; Elsevier
institution Universiti Kuala Lumpur
building UniKL Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kuala Lumpur
content_source UniKL Institutional Repository
url_provider http://ir.unikl.edu.my/
topic Biomass
Phenol
Benzene
Supercritical water
Flow reactor
Lignin
spellingShingle Biomass
Phenol
Benzene
Supercritical water
Flow reactor
Lignin
Tau Len-Kelly Yong, Yukihiko Matsumura
Kinetics analysis of phenol and benzene decomposition in supercritical water
description Published in ISI Journal. Full text article available in Science Direct
format
author Tau Len-Kelly Yong, Yukihiko Matsumura
author_facet Tau Len-Kelly Yong, Yukihiko Matsumura
author_sort Tau Len-Kelly Yong, Yukihiko Matsumura
title Kinetics analysis of phenol and benzene decomposition in supercritical water
title_short Kinetics analysis of phenol and benzene decomposition in supercritical water
title_full Kinetics analysis of phenol and benzene decomposition in supercritical water
title_fullStr Kinetics analysis of phenol and benzene decomposition in supercritical water
title_full_unstemmed Kinetics analysis of phenol and benzene decomposition in supercritical water
title_sort kinetics analysis of phenol and benzene decomposition in supercritical water
publisher Elsevier
publishDate 2014
url http://www.sciencedirect.com/science/article/pii/S0896844613004221
http://localhost/xmlui/handle/123456789/7094
_version_ 1644484858300334080
score 13.214268

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