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Seed-assisted synthesis of TS-1 crystals containing Al with high catalytic performances in cyclohexanone ammoximation

机译:含有高催化性能的Cycarexanone Ammoximation含有α的TS-1晶体的种子辅助合成

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摘要

In this study, titanium silicalite (TS-1) crystals containing Al were synthesized using aluminosilicate MFI zeolites as seeds in a tetrapropylammonium bromide (TPAB)-ethanolamine (EA) system. The TS-1 containing Al possessed large size, large L-b value and higher catalytic activity in cyclohexanone ammoximation. Larger L-b value would endow the TS-1 crystals with better mechanical strength and erosion resistance. The introduction of an Al atom into the TS-1 crystals resulted in the production of more acid sites and a bit strong Bronsted acid sites; these acid sites were more favorable to the catalytic performances in cyclohexanone ammoximation.
机译:在该研究中,使用铝硅酸盐MFI沸石作为在四丙基溴化铝(TPAB) - 乙醇胺(EA)系统中的种子合成含钛硅锂(TS-1)晶体。 含有Al的TS-1具有大尺寸,L-B值和较高的环己酮氨肟的催化活性。 较大的L-B值将赋予TS-1晶体,具有更好的机械强度和耐腐蚀性。 将Al原子引入TS-1晶体导致生产更多的酸性位点和钻头强的富棱酸位点; 这些酸性位点对环己酮氨肟化的催化性能更有利。

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  • 来源
    《RSC Advances》 |2019年第5期|共9页
  • 作者单位

    Nanyang Inst Technol Biol &

    Chem Engn Coll 80 Changjiang Rd Nanyang 473004 Peoples R China;

    Nanyang Inst Technol Biol &

    Chem Engn Coll 80 Changjiang Rd Nanyang 473004 Peoples R China;

    Zhengzhou Univ Sch Chem &

    Mol Engn Inst Ind Catalysis 100 Sci Rd Zhengzhou 450001 Henan Peoples R China;

    Zhengzhou Univ Sch Chem &

    Mol Engn Inst Ind Catalysis 100 Sci Rd Zhengzhou 450001 Henan Peoples R China;

    Zhengzhou Univ Sch Chem &

    Mol Engn Inst Ind Catalysis 100 Sci Rd Zhengzhou 450001 Henan Peoples R China;

    Zhengzhou Univ Sch Chem &

    Mol Engn Inst Ind Catalysis 100 Sci Rd Zhengzhou 450001 Henan Peoples R China;

    Zhengzhou Univ Sch Chem &

    Mol Engn Inst Ind Catalysis 100 Sci Rd Zhengzhou 450001 Henan Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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