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题名: A STUDY ON ACIDITY AND COKING ACTIVITY OF (NH4)(2)SiF6 DEALUMINATED FAUJASITES
作者: Luan Zhaohua1;  Zhang Yingzhen1;  Zheng Lubin1
关键词: Faujasites ;  Dealumination ;  Coke formation
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 1993
DOI: 10.3866/PKU.WHXB19930620
卷: 9, 期:6, 页:827-831
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
英文摘要: Acidity and coking activity of (NH4)(2)SiF6 dealuminated faujasites have been investigated by means of infrared spectroscopy. Results show that with the increasing framework Si/Al ratio of (NH4)(2)SiF6 dealuminated Faujasties, (1) Pyridine can interact gradually with the OH groups in the small cavites, while partial OH groups in supercages can not interact with pyridine, (3) the amount of bronsted acid sites decreases, while the amount of its strong part increases. There is no Lewis acid essentially, (4) the coking rate and coke quantity both decrease, which is in consistent with the acidity of faujasites determined by pyridine.
语种: 英语
WOS记录号: WOS:000207577800020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142380
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.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Luan Zhaohua,Zhang Yingzhen,Zheng Lubin. A STUDY ON ACIDITY AND COKING ACTIVITY OF (NH4)(2)SiF6 DEALUMINATED FAUJASITES[J]. ACTA PHYSICO-CHIMICA SINICA,1993,9(6):827-831.
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