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题名: Effect of (n)SiO2/(n)B2O3 in the precursor on chemical-physics properties of Ti-ZSM-5 synthesized by gas-solid method
作者: Liu, M;  Guo, XW;  Wang, XS;  Liang, CH;  Li, C
关键词: Ti-ZSM-5 ;  B-ZSM-5 ;  gas-solid phase isomorphous replacement ;  propylene epoxidation ;  phenol hydroxylation
刊名: CATALYSIS TODAY
发表日期: 2004-09-01
DOI: 10.1016/j.cattod.2004.06.026
卷: 93-5, 页:659-664
收录类别: ISTP ;  SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Ti-ZSM-5 samples were successfully synthesized by using B-ZSM-5 with different molar ratios of (n)SiO2/(n)B2O3 as the precursors. The gas-solid synthesis included two steps which were deboronation in HCl solution and titanation with TiCl4. The effect of (n)SiO2/(n)B2O3 on the incorporation of titanium into the framework was investigated. The synthesized titanium containing samples were thoroughly characterized by XRD, FT-IR, XRF, UV-Vis, Raman, ICP-AES and NH3 TPD. Propylene epoxidation and phenol hydroxylation properties were also investigated. The results showed that (n)SiO2/(n)TiO2 in the samples increased with an increase in the (n)SiO2/(n)B2O3 in the precursors. The conversion of H2O2 increased with the decreasing of (n)SiO2/(n)B2O3 or (n)SiO2/(n)TiO2, and the selectivity to propylene oxide (PO) decreased. Anatase appeared in Ti-ZSM-5 sample synthesized by using B-ZSM-5 with a (n)SiO2/(n)B2O3 ratio 100 as the precursor. (C) 2004 Elsevier B.V. All rights reserved.
关键词[WOS]: HIGHLY SILICEOUS ZSM-5 ;  MFI
语种: 英语
WOS记录号: WOS:000223973200094
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139460
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Dept Catalysis Chem & Engn, State Key Lab Fine Chem, Dalian 116012, Peoples R China
2.Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Liu, M,Guo, XW,Wang, XS,et al. Effect of (n)SiO2/(n)B2O3 in the precursor on chemical-physics properties of Ti-ZSM-5 synthesized by gas-solid method[J]. CATALYSIS TODAY,2004,93-5:659-664.
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