Hydrolysis kinetics of benzyl phenyl ether in high temperature liquid water

The application of high temperature liquid water（HTLW） to decomposition of lignin as efficient and green solution for phenolic compounds recovery was studied.Benzyl phenyl ether（BPE）,the lignin model compound,was treated at temperatures ranging from 220 to 250℃.BPE undergo hydrolysis in HTLW,and mai...

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Published in:Chinese chemical letters 2011-06, Vol.22 (6), p.733-737
Main Authors: Wu, Xiao Yu, Lü, Xiu Yang
Format: Article
Language:English
Subjects:
Benzyl phenyl ether
High temperature liquid water
Hydrolysis
Kinetics
Lignin model compound
分解反应
模型化合物
水解动力学
温度范围
苄基
苯基醚
酚类化合物
高温液态水
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description The application of high temperature liquid water（HTLW） to decomposition of lignin as efficient and green solution for phenolic compounds recovery was studied.Benzyl phenyl ether（BPE）,the lignin model compound,was treated at temperatures ranging from 220 to 250℃.BPE undergo hydrolysis in HTLW,and main products were phenol and benzyl alcohol with the minimum selectivities of 75.7%and 82.8%,respectively.Lower temperature led to higher selectivity in 220-250℃temperature range.The kinetics on BPE hydrolysis was studied and the activation energy was determined as 150.3±12.5 kJ/mol with the first-order kinetic equations.Based on products distribution,the reaction mechanism for decomposition of benzyl phenyl ether was proposed.The investigated process provides insights into the design of a commercial method for utilization of lignin.
doi_str_mv 10.1016/j.cclet.2010.12.026
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ispartof Chinese chemical letters, 2011-06, Vol.22 (6), p.733-737
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1878-5964
language eng
recordid cdi_wanfang_journals_zghxkb201106027
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subjects Benzyl phenyl ether
High temperature liquid water
Hydrolysis
Kinetics
Lignin model compound
分解反应
模型化合物
水解动力学
温度范围
苄基
苯基醚
酚类化合物
高温液态水
title Hydrolysis kinetics of benzyl phenyl ether in high temperature liquid water
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