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Methanol Desorption...
Methanol Desorption From Cu-ZSM-5 Studied by In Situ Infrared Spectroscopy and First-Principles Calculations
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- Wang, Xueting, 1991 (author)
- Chalmers University of Technology
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- Arvidsson, Adam, 1990 (author)
- Chalmers University of Technology
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- Cichocka, Magdalena O. (author)
- Stockholms universitet,Stockholm University,Institutionen för material- och miljökemi (MMK)
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- Zou, Xiaodong (author)
- Stockholms universitet,Stockholm University,Institutionen för material- och miljökemi (MMK)
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- Martin, Natalia Mihaela, 1984 (author)
- Chalmers University of Technology
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- Nilsson, Johan, 1987 (author)
- Chalmers University of Technology
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- Carlson, Stefan (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Gustafson, Johan (author)
- Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Skoglundh, Magnus, 1965 (author)
- Chalmers University of Technology
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- Hellman, Anders, 1974 (author)
- Chalmers University of Technology
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- Carlsson, Per-Anders, 1972 (author)
- Chalmers University of Technology
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(creator_code:org_t)
- 2017-12-05
- 2017
- English.
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In: Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 121:49, s. 27389-27398
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Abstract
Subject headings
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- The dynamic interaction of methanol and its derivatives with Cu-exchanged ZSM- 5 during methanol temperature programmed desorption from 30 to 450 ◦C has been investigated using in situ diffuse reflectance infrared Fourier transform spectroscopy and first-principles calculations. The results emphasize that defects in the framework structure of the zeolite and Brønsted acid sites constitute ion-exchange sites for Cu ions. The Cu sites introduced in ZSM-5 actively interact with methanol adsorbed at moderate temperature, i.e. below 250◦C, and take roles in further oxidation of the adsorbed species to formate and CO. Moreover, spectra recorded at higher temperatures, i.e. above 300◦C, after adsorption of methanol show strong interaction between methoxy groups and the zeolite framework, suggesting that under mild conditions proton extraction for methanol production during direct partial oxidation of methane to methanol over Cu-ZSM-5 is necessary.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- Inorganic Chemistry
Publication and Content Type
- art (subject category)
- ref (subject category)
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Wang, Xueting, 1 ...
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Arvidsson, Adam, ...
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Cichocka, Magdal ...
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Zou, Xiaodong
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Martin, Natalia ...
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Nilsson, Johan, ...
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Carlson, Stefan
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Gustafson, Johan
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Skoglundh, Magnu ...
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Hellman, Anders, ...
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Carlsson, Per-An ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Chemical Enginee ...
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and Chemical Process ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Physical Chemist ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
- Articles in the publication
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Journal of Physi ...
- By the university
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Chalmers University of Technology
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Lund University
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Stockholm University
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Uppsala University