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The study of thiophene adsorption onto La(III)-exchanged zeolite NaY by FT-IR spectroscopy
Tian, Fuping; Wu, Weicheng; Jiang, Zongxuan; Liang, Changhai; Yang, Yongxing; Ying, Pinliang; Sun, Xiuping; Cai, Tianxi; Li, Can
关键词Adsorption Desulfurization Thiophene Aromatics Ir Spectra Gasoline la3+-exchanged Zeolite
刊名JOURNAL OF COLLOID AND INTERFACE SCIENCE
2006-09-15
DOI10.1016/j.jcis.2006.05.017
301期:2页:395-401
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]FUEL-CELL APPLICATIONS ; SELECTIVE ADSORPTION ; DEEP DESULFURIZATION ; PI-COMPLEXATION ; JET FUEL ; SOLID ADSORBENTS ; SULFUR-COMPOUNDS ; LIQUID FUELS ; DIESEL FUEL ; GASOLINE
英文摘要Zeolites NaY and LaNaY (ion-exchanged with aqueous lanthanum nitrate solution) were used as adsorbents for removing organic sulfur compounds from model gasoline solutions (without and with toluene) and fluid catalytic cracked gasoline in fixed-bed adsorption equipment at room temperature and atmosphere pressure. The adsorptive selectivity for organic sulfur compounds was significantly increased when Na+ ions in zeolite NaY were exchanged with lanthanum ions. IR spectra of thiophene adsorption indicate that thiophene is adsorbed onto La3+ ions via direct S-La3+ interaction and Na+ ions via pi-electronic interaction for La3+-exchanged zeolite NaY, but only via pi-electronic interaction with Na+ ions for NaY. The amount of adsorbed thiophene on La3+-exchanged zeolite Y was slightly decreased by coadsorption of benzene, but greatly reduced on NaY. The adsorption of thiophene via interaction with La3+ on La3+-exchanged zeolite Y is hardly replaced by benzene coadsorption. The direct S-La3+ interaction might be the essential reason for the evidently improved adsorptive selectivity of LaNaY for removing organic sulfur compounds from solutions containing large amount of aromatics. (c) 2006 Elsevier Inc. All rights reserved.
语种英语
WOS记录号WOS:000239937700007
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被引频次:53[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140320
专题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, Peoples R China
2.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China
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Tian, Fuping,Wu, Weicheng,Jiang, Zongxuan,et al. The study of thiophene adsorption onto La(III)-exchanged zeolite NaY by FT-IR spectroscopy[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2006,301(2):395-401.
APA Tian, Fuping.,Wu, Weicheng.,Jiang, Zongxuan.,Liang, Changhai.,Yang, Yongxing.,...&Li, Can.(2006).The study of thiophene adsorption onto La(III)-exchanged zeolite NaY by FT-IR spectroscopy.JOURNAL OF COLLOID AND INTERFACE SCIENCE,301(2),395-401.
MLA Tian, Fuping,et al."The study of thiophene adsorption onto La(III)-exchanged zeolite NaY by FT-IR spectroscopy".JOURNAL OF COLLOID AND INTERFACE SCIENCE 301.2(2006):395-401.
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