Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Jan G. van Ommen"'
Publikováno v:
Applied catalysis A: general, 505, 354-364. Elsevier
Ethylbenzene (EB) dehydrogenation in presence and absence of CO2 was investigated over CeO2 catalysts of distinct morphologies: cubes, rods and particles. The presence of CO2 resulted in prolonged catalyst activity and higher initial benzene selectiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6770d4116ae191ee092d93e315169bd0
https://doi.org/10.1016/j.apcata.2015.07.025
https://doi.org/10.1016/j.apcata.2015.07.025
Publikováno v:
Applied catalysis A: general, 332(2), 310-317. Elsevier
In the present paper steam reforming of methane, ethane and ethylene was compared on Pt, Rh and Pd supported on yttrium-stabilized zirconia (YSZ). Both reactivity and product distribution changed with the use of different catalysts. The order of acti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0d685ef3e274c102e716eef74f125a0
https://doi.org/10.1016/j.apcata.2007.08.032
https://doi.org/10.1016/j.apcata.2007.08.032
Publikováno v:
Catalysis today, 117(1-3), 163-167. Elsevier
The influence of water and surface hydroxyl groups on the catalytic performance of yittrium-stabilized ZrO2 (YSZ) in the partial oxidation of methane to synthesis gas was investigated using FT-IR as well as steady state kinetic experiments. Besides p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf285618dc380f56fd2098f84dd69ffe
https://doi.org/10.1016/j.cattod.2006.05.046
https://doi.org/10.1016/j.cattod.2006.05.046
Publikováno v:
Journal of catalysis, 239(2), 460-469. Academic Press Inc.
This paper describes the catalytic formation of a layer of carbon nanofibers (CNFs) on Ni foam, resulting in a new catalytic route for preparing thin, highly macroporous layers. The effect of morphology and surface properties (i.e., grain size and pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::576c9fbc3dec629c0d141ed90a90039e
https://doi.org/10.1016/j.jcat.2006.02.021
https://doi.org/10.1016/j.jcat.2006.02.021
Publikováno v:
The Journal of Physical Chemistry B. 109:18361-18368
The adsorption of oxygen and d2-propane (CH3CD2CH3) on a series of alkaline-earth-exchanged Y zeolite at room temperature was studied with in situ infrared spectroscopy. Surprisingly at room temperature, oxygen adsorption led to the formation of supe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e0334fe84a120a6784d74ba617fa46b
https://doi.org/10.1021/jp052941+
https://doi.org/10.1021/jp052941+
Publikováno v:
Journal of catalysis, 232(2), 411-423. Academic Press Inc.
The importance of Brønsted acid sites for partial oxidation of propane to acetone in CaY was investigated by in situ FTIR spectroscopy. With an increasing number of protons in Ca-Y, Volcano plots were observed for (1) amount of adsorbed propane; (2)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93eb067d7deaf27fe2a1c561eb59165f
https://doi.org/10.1016/j.jcat.2005.04.004
https://doi.org/10.1016/j.jcat.2005.04.004
Publikováno v:
Journal of catalysis, 230(2), 291-300. Academic Press
Catalytic partial oxidation of methane to synthesis gas (CPOM) over yttrium-stabilized zirconia (YSZ) was studied within a wide temperature window (500¿1100 °C). The catalysts were characterized by X-ray fluorescence (XRF) and low-energy ion scatte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd16e2f2657f96e02ff043606442c0f8
https://doi.org/10.1016/j.jcat.2004.09.025
https://doi.org/10.1016/j.jcat.2004.09.025
Publikováno v:
Journal of the American Ceramic Society, 6(81), 1487-1492. Wiley-Blackwell
The importance of post-precipitation treatments (pore-fluid exchange and its removal) on the evolution of the texture of coprecipitated lanthanum zirconate has been investigated. The nature of the pore fluid and the type of fluid-removal (drying) pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7657e12f03fb56681738609711ac85ec
https://doi.org/10.1111/j.1151-2916.1998.tb02507.x
https://doi.org/10.1111/j.1151-2916.1998.tb02507.x
Publikováno v:
Catalysis today, 100(1-2), 63-69. Elsevier
This short review provides an overview as well as background of ongoing work in our laboratory on unconventional catalysts in selective oxidation reactions with remarkable selectivity. The three cases reviewed here have in common that the catalysts a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aff0c98fdcd110744c8b5a18a5ee8c67
https://doi.org/10.1016/j.cattod.2004.12.013
https://doi.org/10.1016/j.cattod.2004.12.013
Autor:
Jan G. van Ommen, Jalajakumari Nair, Julian R.H. Ross, Giel B. M. Doesburg, Anthonie Burggraaf, Padmakumar Nair, Fujio Mizukami
Publikováno v:
Journal of the American Ceramic Society, 83(8), 1942-1946. Wiley-Blackwell
Pure Al2O3 and different compositions of La2O3–Al2O3 samples have been prepared through coprecipitation. Even after heating at 1300°C, the compositions La2O3·11Al2O3 and La2O3·13Al2O3 had higher surface area compared to the pure Al2O3 and the La
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45f76fe9ad1c8e38d68d832408d6f8b8
https://doi.org/10.1111/j.1151-2916.2000.tb01494.x
https://doi.org/10.1111/j.1151-2916.2000.tb01494.x