欢迎登录材料期刊网

材料期刊网

高级检索

研究了TS-1/过氧化氢催化体系中几种典型有机硫化物的选择氧化脱除.结果表明,噻吩和2-甲基噻吩仅在水或叔丁醇溶剂中才能被有效氧化脱除,且两者的反应历程不同.噻吩分子中的硫原子先被氧化,2-甲基噻吩分子中的噻吩环先被氧化.当过氧化氢与硫化物摩尔比为4时,噻吩和2-甲基噻吩均可被氧化为硫酸.采用甲醇、乙腈和水作溶剂时,甲基硫醚和丁基硫醇均可被选择氧化脱除.由于存在空间位阻,苯并噻吩、二苯并噻吩及4,6-二甲基二苯并噻吩在TS-1/过氧化氢体系中均不能被有效脱除.

参考文献

[1] Yang RT.;Hernandez-Maldonado AJ.;Yang FH. .Desulfurization of transportation fuels with zeolites under ambient conditions[J].Science,2003(5629):79-81.
[2] Hernandez-Maldonado A J;Yang R T .[J].Industrial and Engineering Chemistry Research,2003,42(01):123.
[3] Ma X L;Sun L;Song Ch Sh .[J].Catalysis Today,2002,77(1-2):107.
[4] Levy R E.In:Proceedings of European Refinery Technology Conference (ERTC),7th Annual Meeting.Paris[M].,2002
[5] Zannikos F;Lois E;Stournas S .[J].Fuel Processing Technology,1995,42(01):35.
[6] Otsuki S;Nonaka T;Takashima N;Qian W,Ishihara A,Imai T,Kabe T .[J].Energy and Fuels,2000,14(06):1232.
[7] Te M;Fairbridge C;Ring Z .[J].Applied Catalysis A:General,2001,219(1-2):267.
[8] Yazu K;Yamamoto Y;Furuya T;Miki K,Ukegawa K .[J].Energy and Fuels,2001,15(06):1535.
[9] Bonde S E;Gore W;Dolbear G E;Prepr-Am Chem Soc .[J].Division of Petroleum Chemistry,1999,44(02):199.
[10] 孙刚,夏道宏.金属盐对轻质油品氧化脱硫效果的影响[J].燃料化学学报,2001(06):509-513.
[11] Mei H;Meil B W;Yen T F .[J].FUEL,2003,82(04):405.
[12] Hulea V.;Bousquet J.;Fajula F. .Mild oxidation with H2O2 over Ti-containing molecular sieves - A very efficient method for removing aromatic sulfur compounds from fuels[J].Journal of Catalysis,2001(2):179-186.
[13] Shiraishi Y;Hirai T;Komasawa I .[J].Journal of Chemical Engineering of Japan,2002,35(05):489.
[14] Reddy R S;Reddy J S;Kumar R;Kumar P.[J].Journal of the Chemical Society,Chemical Communications,1992(01):84.
[15] Li G;Guo X W;Wang X Sh;Zhao Q,Bao X H,Han X W,Lin L W .[J].Applied Catalysis A:General,1999,185(01):11.
[16] tumpf A;Tolvaj K;Juhasz M .[J].Journal of Chromatography A,1998,819(1/2):67.
[17] Coffey S.Rodd's Chemistry of Carbon Compounds.Vol.Ⅳ[J].New York:Elsevier Science,1973:241.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%