An environmentally friendly liquid-liquid heterogeneous oxidation of ethylbenzene catalyzed by NHPI, CoSPc and TBAB

被引:0
|
作者
Zhou, Yu-Lu [1 ]
Lin, Sha-Sha [1 ]
Xia, Dao-Hong [1 ]
Xiang, Yu-Zhi [1 ]
机构
[1] College of Science, State Key Laboratory of Heavy Oil, China University of Petroleum, Qingdao 266580, China
来源
Journal of Molecular Catalysis | 2013年 / 27卷 / 01期
关键词
Liquids - Ethylbenzene - Catalytic oxidation - Ketones - Catalysts - Catalysis;
D O I
暂无
中图分类号
学科分类号
摘要
Water was inducted as a solvent of catalysts in the oxidation of ethylbenzene catalyzed by a combined catalytic system consisting of NHPI and CoSPc, promoted by phase transfer catalyst TBAB. The present of water formed a liquid-liquid heterogeneous system, in which, the most favorable reaction conditions were optimized, Experimental results showed that the reaction conditions of controlling the volume ratio of water to ethylbenzene to be 3:1, the molar ratio of TBAB to ethylbenzen to be 1:40, n(NHPI):n(Ethylbenzene) = 1:10, n(NHPI):n(CoSPc) = 24:1, temperature = 110°C, stirring rate 350 rpm, O2 pressure 0.75 MPa, reaction time 0.5 h were the most favorable, under which the conversion of ethylbenzene reached 60.6%, the selectivity of acetophe-none and 1-phenylethanol reached 95.2% and 4.5%, respectively, and total products selectivity reached 99.7%. The conversion of ethylbenzene could not be improved by prolonging reaction time, otherwise, the selectivity of ace-tophenone decreased, empirical results indicated that the decomposition of NHPI took the blame of negative results in the improving of ethylbenzene conversion, the selectivity decrease of acetophenone was the consequence of it's over oxidation.
引用
收藏
页码:16 / 22
相关论文
共 50 条
  • [21] Efficient oxidation of ethylbenzene catalyzed by cobalt zeolitic imidazolate framework ZIF-67 and NHPI
    Hongyan Li
    Hong Ma
    Xinhong Wang
    Jin Gao
    Chen Chen
    Song Shi
    Minjie Qu
    Na Feng
    Jie Xu
    Journal of Energy Chemistry, 2014, 23 (06) : 742 - 746
  • [22] Efficient oxidation of ethylbenzene catalyzed by cobalt zeolitic imidazolate framework ZIF-67 and NHPI
    Li, Hongyan
    Ma, Hong
    Wang, Xinhong
    Gao, Jin
    Chen, Chen
    Shi, Song
    Qu, Minjie
    Feng, Na
    Xu, Jie
    JOURNAL OF ENERGY CHEMISTRY, 2014, 23 (06) : 742 - 746
  • [23] Efficient oxidation of ethylbenzene catalyzed by cobalt zeolitic imidazolate framework ZIF-67 and NHPI
    Hongyan Li
    Hong Ma
    Xinhong Wang
    Jin Gao
    Chen Chen
    Song Shi
    Minjie Qu
    Na Feng
    Jie Xu
    Journal of Energy Chemistry, 2014, (06) : 742 - 746
  • [24] Mechanistic and kinetic investigation of liquid-liquid phase transfer catalyzed oxidation of benzyl chloride to benzaldehyde
    Yadav, GD
    Haldavanekar, BV
    JOURNAL OF PHYSICAL CHEMISTRY A, 1997, 101 (01): : 36 - 48
  • [25] Investigation on the ethylbenzene/styrene separation efficiency with ionic liquids in liquid-liquid extraction
    Karpinska, Monika
    Wlazlo, Michal
    Domanska, Urszula
    CHEMICAL ENGINEERING RESEARCH & DESIGN, 2017, 128 : 214 - 220
  • [26] Heterogeneous liquid phase oxidation of ethylbenzene to acetophenone with graphene carbon-based catalyst
    Sun, Qian
    Song, Xueying
    Gao, Li
    Chen, Wei
    Li, Yamin
    Mao, Liqun
    Yang, Jing-He
    CHEMICAL PAPERS, 2018, 72 (09) : 2203 - 2214
  • [27] Heterogeneous liquid phase oxidation of ethylbenzene to acetophenone with graphene carbon-based catalyst
    Qian Sun
    Xueying Song
    Li Gao
    Wei Chen
    Yamin Li
    Liqun Mao
    Jing-He Yang
    Chemical Papers, 2018, 72 : 2203 - 2214
  • [28] Research progress of reactors for liquid-liquid heterogeneous system
    Ma S.
    Xu H.
    Zhang L.
    Sun B.
    Zou H.
    Luo Y.
    Chu G.
    Huagong Xuebao/CIESC Journal, 2024, 75 (03): : 727 - 742
  • [29] OXIMATION OF CYCLOHEXANONE IN HETEROGENEOUS LIQUID-LIQUID REACTION SYSTEM
    ASAI, S
    NAKAMURA, H
    SHIMIZU, H
    TANABE, M
    CHEMICAL ENGINEERING RESEARCH & DESIGN, 1992, 70 (A4): : 421 - 426
  • [30] On the Thermal Explosion Theory of a Heterogeneous Liquid-Liquid System
    Samoilenko, N. G.
    Korsunskiy, B. L.
    Shatunova, E. N.
    Bostandgiyan, V. A.
    Kustova, L. V.
    RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B, 2018, 12 (05) : 875 - 882