B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/85 (2006.01) B01J 21/04 (2006.01) B01J 23/888 (2006.01) B01J 27/06 (2006.01) B01J 27/132 (2006.01) C10G 45/08 (2006.01) C10G 45/54 (2006.01)
Patent
CA 2258563
The present invention discloses a hydrofining catalyst. The catalyst has the following composition based on the total weight of the entire catalyst composition: 1-5 % (wt.) nickel oxide, 12-35 % (wt.) tungsten oxide, 1-9 % (wt.) fluorine, and the balancing amount of composite alumina. Said composite alumina is composed of one or several kinds of micropore alumina and one or several kinds of macropore alumina, wherein the weight ratio of micropore alumina to macropore alumina is 75:25 to 50:50. The term "micropore alumina" in the context means the alumina in which the volume of the pore of diameter less than 80 angstrom occupies more than 95 % of its total pore volume, while the term "macropore alumina" in the context means the alumina in which the volume of the pore of diameter 60-600 angstrom occupies more that 70 % of its total pore volume. The pore distribution mentioned above is determined by BET method of nitrogen adsorption at low temperature. This catalyst is especially suitable for the hydrofining of inferior distillates with high sulfure content and boiling range of 80-550 °C.
La présente invention concerne un catalyseur d'hydrodésulfuration. Le catalyseur présente la composition suivante basée sur le poids total de l'ensemble de la composition du catalyseur :1-5 % en poids d'oxyde de nickel, 12-35 % en poids d'oxyde de tungstène, 1-9 % en poids de fluor le solde étant constitué d'alumine composite. Ladite alumine composite contient un ou plusieurs types d'alumine micropores et un ou plusieurs types d'alumines macropores, le rapport pondéral entre l'alumine micropore et l'alumine macropore s'établissant entre 75:25 et 50:50. Le terme "alumine macropore" dans le contexte signifie que l'alumine dans laquelle le volume de pores d'un diamètre inférieur à 80 angströms occupe plus de 95 % de son volume de pore total, tandis que le terme "alumine macropore" dans le contexte signifie que l'alumine dans laquelle le volume de pores d'un diamètre compris entre 60 et 600 angströms occupe plus de 70 % de son volume de pore total. La répartition de pores ci-dessus mentionnée est déterminée par un procédé BET d'adsorption d'azote à basse température. Ce catalyseur est particulièrement adapté à l'hydrodésulfuration de distillats inférieurs dont la teneur en soufre est élevée et la plage d'ébullition se situe entre 80 et 550 DEG C.
Gao Xiaodong
Li Dadong
Liu Xuefen
Nie Hong
Shi Yahua
China Petrochemical Corporation
Research Institute Of Petroleum Processing Sinopec
Robic
LandOfFree
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