Acidity Characterization of HZSM-35 Zeolite by Solid-State NMR
文献类型:期刊论文
作者 | Liu Yong1,2; Zhang Weiping1; Xie Sujuan1; Xu Longya1; Han Xiuwen1; Bao Xinhe1 |
刊名 | chinese journal of catalysis
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出版日期 | 2009-02-01 |
卷号 | 30期号:2页码:119-123 |
关键词 | HZSM-35 zeolite acidity solid-state nuclear magnetic resonance probe molecule trimethylphosphine deuterated pyridine |
英文摘要 | the accessibility and acidity of hzsm-35 zeolite were studied by high-resolution solid-state mas nmr spectroscopy after adsorption of deuterated pyridine or trimethylphosphine as probe molecules. the results showed that the probe molecules could enter both the ten-membered ring (10-mr) channels and eight-membered ring (8-mr) cavities. however, the diffusion into the 8-mr cavities was very slow and it took a long time to reach the adsorption equilibrium at 300 degrees c. after adsorption of deuterated pyridine, (1)h mas nmr spectra showed that there were two types of bronsted acidic sites with different strength in both the 10-mr channels and 8-mr cavities. after adsorption of trimethylphosphine, the (31)p mas nmr spectra indicated that there were lewis acidic sites in hzsm-35 zeolite, but their strength and amount were less than the bronsted acidic sites. |
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 |
关键词[WOS] | skeletal isomerization ; probe molecule ; h-ferrierite ; n-butene ; sites ; spectroscopy ; trimethylphosphine |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000264168700008 |
公开日期 | 2015-11-17 |
源URL | [http://159.226.238.44/handle/321008/141448] ![]() |
专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
作者单位 | 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Liu Yong,Zhang Weiping,Xie Sujuan,et al. Acidity Characterization of HZSM-35 Zeolite by Solid-State NMR[J]. chinese journal of catalysis,2009,30(2):119-123. |
APA | Liu Yong,Zhang Weiping,Xie Sujuan,Xu Longya,Han Xiuwen,&Bao Xinhe.(2009).Acidity Characterization of HZSM-35 Zeolite by Solid-State NMR.chinese journal of catalysis,30(2),119-123. |
MLA | Liu Yong,et al."Acidity Characterization of HZSM-35 Zeolite by Solid-State NMR".chinese journal of catalysis 30.2(2009):119-123. |
入库方式: OAI收割
来源:大连化学物理研究所
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