Highly efficient epoxidation of propylene to propylene oxide over TS-1 using urea plus hydrogen peroxide as oxidizing agent

被引：48
作者：
Cheng, Weiguo [1 ,2 ]
Wang, Xiangsheng [2 ]
Li, Gang [2 ]
Guo, Xinwen [2 ]
Zhang, Suojiang [1 ]
机构：
[1] Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100080, Peoples R China
[2] Dalian Univ Technol, Dept Catalysis Chem & Engn, State Key Lab Fine Chem, Dalian 116012, Peoples R China
来源：
JOURNAL OF CATALYSIS | 2008年 / 255卷 / 02期
关键词：
epoxidation; propylene; propylene oxide; urea; hydrogen peroxide; titanium silicate-1; electron paramagnetic resonance;
D O I：
10.1016/j.jcat.2008.02.018
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We compared the efficacies of urea + hydrogen peroxide (U+HP) and hydrogen peroxide (HP) as an oxidizing agent in the epoxidation of propylene catalyzed by a titanium silicate-1 (TS-1) molecular sieve. The TS-1 catalyst exhibited good performance and stability in the TS-1/(U+HP) system. EPR results showed that more active Ti-superoxo species led to better performance of TS-1 in the TS-1/(U+HP) system than in the TS-1/HP system. (c) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码：343 / 346
页数：4
相关论文
共 23 条
  • [1] Chemo- and diastereoselective epoxidation of chiral allylic alcohols with the urea hydrogen peroxide adduct, catalyzed by titanium silicate 1
    Adam, W
    Kumar, R
    Reddy, TI
    Renz, M
    [J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1996, 35 (08): : 880 - 882
  • [2] ANASTAS PT, 1999, NATURE, V398, P33
  • [3] Reactive oxygen species in titanosilicates TS-1 and TiMCM-41:: An in situ EPR spectroscopic study
    Chaudhari, K
    Srinivas, D
    Ratnasamy, P
    [J]. JOURNAL OF CATALYSIS, 2001, 203 (01) : 25 - 32
  • [4] Characterization and catalytic activity of hydrothermally treated TS-1/SiO2 in propylene epoxidation
    Cheng, WG
    Wang, XS
    Li, G
    Guo, XW
    Du, BJ
    [J]. CATALYSIS LETTERS, 2004, 95 (3-4) : 185 - 190
  • [5] Copper-catalyzed propylene epoxidation by molecular oxygen:: Superior catalytic performances of halogen-free K+-modified CuOx/SBA-15
    Chu, Hui
    Yang, Lujuan
    Zhang, Qinghong
    Wang, Ye
    [J]. JOURNAL OF CATALYSIS, 2006, 241 (0 1) : 225 - 228
  • [6] SYNTHESIS OF PROPYLENE-OXIDE FROM PROPYLENE AND HYDROGEN-PEROXIDE CATALYZED BY TITANIUM SILICALITE
    CLERICI, MG
    BELLUSSI, G
    ROMANO, U
    [J]. JOURNAL OF CATALYSIS, 1991, 129 (01) : 159 - 167
  • [7] FORD B, 2006, CHEM MARK REP, V269, P24
  • [8] GONSALVES AMDR, 1991, J CHEM RES-S, P208
  • [9] Highly selective epoxidation of olefinic compounds over TS-1 and TS-2 redox molecular sieves using anhydrous urea-hydrogen peroxide as oxidizing agent
    Laha, SC
    Kumar, R
    [J]. JOURNAL OF CATALYSIS, 2002, 208 (02) : 339 - 344
  • [10] Selective epoxidation of styrene to styrene oxide over TS-1 using urea-hydrogen peroxide as oxidizing agent
    Laha, SC
    Kumar, R
    [J]. JOURNAL OF CATALYSIS, 2001, 204 (01) : 64 - 70
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