Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Edward F. Rakiewicz"'
1
Simultaneous Quantification of Brønsted- and Lewis-Acid Sites in a USY Zeolite
Autor: Karl T. Mueller, Richard F. Wormsbecher, Alan W. Peters, Susan M. Mattingly, Edward F. Rakiewicz, Kevin J. Sutovich
Publikováno v: Journal of Catalysis. 183:155-158
In this report, experimental methods and calculation procedures are described for direct and simultaneous quantification of the Bronsted- and Lewis-acid site concentrations in a sample of USY zeolite. The concentrations of both types of acid sites ar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f1967697195a4eb927b9b58a75906b15
https://doi.org/10.1006/jcat.1998.2379
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2
Characterization of Acid Sites in Zeolitic and Other Inorganic Systems Using Solid-State 31P NMR of the Probe Molecule Trimethylphosphine Oxide
Autor: Kevin J. Sutovich, Edward F. Rakiewicz, Karl T. Mueller, Alan W. Peters, Richard F. Wormsbecher
Publikováno v: The Journal of Physical Chemistry B. 102:2890-2896
The ability to determine the types and concentrations of acid sites in zeolites and fluid-catalytic cracking systems is important for an increased understanding of structure/performance relationships in these materials. Currently, a variety of therma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::33fd8560985e6d144023d5eb3fe8a562
https://doi.org/10.1021/jp980808u
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3
Coke Formation in the Fluid Catalytic Cracking Process by Combined Analytical Techniques
Autor: and Xinjin Zhao, Alan W. Peters, George Yaluris, Edward F. Rakiewicz, Douglas C. Tomczak, Wu-Cheng Cheng, Robert H. Harding, Kuangnan Qian
Publikováno v: Energy & Fuels. 11:596-601
A combination of analytical techniques, including X-ray photoelectron spectroscopy (XPS), solid state 13C nuclear magnetic resonance (NMR) spectroscopy, and supercritical fluid extraction/mass spectrometry (SFE/MS), were used to characterize the deta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74bda4460c0bb89985095b0b6274e9d2
https://doi.org/10.1021/ef960204u
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4
Solid-state NMR studies of silanol groups in mildly and highly dealuminated faujasites
Autor: Alan W. Peters, Edward F. Rakiewicz, Kevin J. Sutovich, T. P. Jarvie, T.G. Roberie, Karl T. Mueller
Publikováno v: Microporous Materials. 7:81-88
Experimental evidence for two different aluminum-bonded silanol species, SI(OSi)(OAl)2OH and Si(OSi)2(OAl)OH, in a mildly dealuminated faujasite is presented. A sample of a low unit cell size ( Si Al =4.1 ) templated Y zeolite was prepared for this s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca19f06d36d1802a0eb5101be55b0f8d
https://doi.org/10.1016/0927-6513(96)00031-4
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7
Rectorite Pillared with Ce-Modified Aluminum Oxide
Autor: Jianxin Wu, Edward F. Rakiewicz, Robert Russell Gatte
Publikováno v: MRS Proceedings. 371
Rectorite clay was pillared with an Al/Ce-cluster pillaring agent made from aluminum chlorhydrol and cerium nitrate. The resulting product had an interlayer distance of 15.7 Å, which was significantly larger than the interlayer distance obtained usi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a8a958a196e0723998a8dfc0a37de2a
https://doi.org/10.1557/proc-371-181
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10
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