Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Lars Löwendahl"'
Publikováno v:
Applied Catalysis A: General. 274:61-69
Two different methods to stabilise alumina-supported nickel particles against sintering have been studied. The first investigated method was co-impregnation using precursors of nickel and different promoters (i.e. oxides of Li, Na, K, Mg, Ca, La and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::755d7f1a184b891ba900990fc930df62
https://doi.org/10.1016/j.apcata.2004.05.022
https://doi.org/10.1016/j.apcata.2004.05.022
Publikováno v:
Applied Catalysis A: General. 228:145-154
Sintering of nickel on gamma-alumina in hydrogen, ammonia, ammonia + hydrogen and ammonia + nitrogen was investigated isocoric in the temperature range 483 to 523 K. The sintering process was followed by hydrogen chemisorption, specific surface area
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45601ca9765c508625b8ccc42b3c096f
https://doi.org/10.1016/s0926-860x(01)00957-7
https://doi.org/10.1016/s0926-860x(01)00957-7
Publikováno v:
Journal of the European Ceramic Society. 17:1459-1465
A procedure for coating alumina fibre bundles with fibrillar boehmite particles is described. Fibrillar boehmite particles, having a specific surface area of 150 m2/g, were adsorbed onto the surface of the alumina fibres. The surface of the alumina f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3ba56a080772e9b873277a9d2d7f492
https://doi.org/10.1016/s0955-2219(97)00007-1
https://doi.org/10.1016/s0955-2219(97)00007-1
Autor:
Magnus Skoglundh, Kjell Jansson, Lars Löwendahl, Bernhard Hirschauer, Leif Dahl, Hanna Johansson
Publikováno v:
Scopus-Elsevier
Fifteen catalysts were prepared by intermittently impregnating alumina washcoats with water solutions containing La3+, Co2+ and PdCl42- ions/complex and calcining them at 550-820 degrees C. The catalysts were evaluated with respect to light-off perfo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2685e824f5e06ecdd902f60acf8f3c5b
https://doi.org/10.1016/0926-3373(95)00049-6
https://doi.org/10.1016/0926-3373(95)00049-6
Publikováno v:
J. Mater. Chem.. 6:213-219
A method for preparing particles with highly dispersed ceria by a stepwise procedure is described. The surface of silica particles was modified by aluminate and coated with an interlayer of titanina. CeOSO4 was deposited on the titania coated silica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7da3d3d6241b127f9cfbc36525d98c46
https://doi.org/10.1039/jm9960600213
https://doi.org/10.1039/jm9960600213
Autor:
Leif Dahl, Magnus Skoglundh, Jan-Erik Otterstedt, Pei-yan Lin, Lars Löwendahl, Mats Nygren, Kjell Jansson
Publikováno v:
Applied Catalysis B: Environmental. 6:237-254
25 Alumina-and silica-supported oxide-based catalysts were prepared, with the overall metal composition La(0.45)Sr(0.15)Ce(0.35)Zr(0.05)M(1.0) (M=Co or Cu) and promoted with 0-0.5 mg Pt-Rh per gram catalyst. The catalysts were evaluated with respect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d39649a64baa18a98e2d647866421ac
https://doi.org/10.1016/0926-3373(95)00008-9
https://doi.org/10.1016/0926-3373(95)00008-9
Publikováno v:
Applied Catalysis B: Environmental. 3:259-274
Nine different metal oxide catalysts were prepared by impregnating alumina washcoats with water solutions containing La3+, Sr2+, Cu2+ and Ru3+ ions and calcining them at 900-degrees-C. The produced samples were characterized by scanning electron micr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ff10975c7e3b4d133dcc13414a43f2b
https://doi.org/10.1016/0926-3373(93)e0040-7
https://doi.org/10.1016/0926-3373(93)e0040-7
Autor:
J. P. Jacobs, P. G. Menon, O. van Kessel, B. Stenbom, Lars Löwendahl, Magnus Skoglundh, HH Hidde Brongersma
Publikováno v:
Catalysis Letters, 13(1-2), 27-37. Springer
Two Pt/Pd catalysts on cordierite monoliths were prepared by impregnating two differently treated alumina washcoats with 10 μmol [Pt+Pd] per gram catalyst in the atomic ratio Pt/Pd=4.0. Both washcoats were first thermally treated, calcined, for 2 h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::215f9cb176fa995227fcc94f15f73a8d
https://doi.org/10.1007/BF00770944
https://doi.org/10.1007/BF00770944
Publikováno v:
Applied Catalysis. 77:9-20
The effects of the total content of Pd+Pt, the mol-% ratio of Pd to Pt, hydrothermal treatment of the catalyst wash-coat, and the oxygen concentration on the light-off temperature, T50, for the complete oxidation of xylene isomers, propene, and carbo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1c72588ab1d34cdac12b216555624cd
https://doi.org/10.1016/0166-9834(91)80019-s
https://doi.org/10.1016/0166-9834(91)80019-s
Autor:
Lars Löwendahl, J-E Otterstedt
Publikováno v:
Applied Catalysis. 59:89-102
Boehmite was calcined with and without steam at temperatures in the range 550°-100°. Hydrothermal treatments yielded structures with more well-developed crystallinity and pore sizes distributed around larger average pore sizes than did thermal trea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e146079bce4c6cba670194d1d3dc587d
https://doi.org/10.1016/s0166-9834(00)82189-2
https://doi.org/10.1016/s0166-9834(00)82189-2