B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 21/12 (2006.01) C01B 13/32 (2006.01) C01B 33/16 (2006.01) C01B 33/187 (2006.01) C01B 33/193 (2006.01)
Patent
CA 2755648
The present invention relates to spherical beads comprising at least one metal and/or semimetal oxide, having a mean diameter in the range from 10 to 120 µm, a BET surface area in the range from 400 to 800 m2/g and a pore volume in the range from 0.3 to 3.0 cm3/g, wherein the diameter of a given bead at any one point of said bead deviates by less than 10% from the average diameter of said bead and the surface of said bead is substantially smooth, and also to a process for producing these spherical beads, to a particulate catalyst comprising the spherical beads and to the use of the spherical beads as catalysts or catalyst carriers.
La présente invention porte sur des particules sphériques contenant au moins un oxyde d'un métal et/ou d'un semi-métal, les particules ayant un diamètre moyen de 10 à 120 µm, une surface spécifique BET de 400 à 800 m2/g et un volume des pores de 0,3 à 3,0 cm3/g, le diamètre d'une particule donnée s'écartant en tous points de cette particule, de moins de 10% du diamètre moyen de cette particule, et la surface de la particule étant pour l'essentiel lisse. L'invention porte également sur un procédé de préparation de ces particules sphériques, sur un catalyseur particulaire contenant les particules sphériques, et sur l'utilisation des particules sphériques en tant que catalyseurs ou supports de catalyseur.
Braedikow Andreas
Eckardt Tobias
Puvogel Thorsten
Siegel Angela
Basf Se
Borden Ladner Gervais Llp
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