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CN101801525A 费-托催化剂的稳定方法 无效 - 撤回

费-托催化剂的稳定方法
摘要：
本发明提供一种用于使费-托催化剂或催化剂前体改性的方法，所述方法包括以下步骤：使包含二氧化钛载体的费-托催化剂或催化剂前体与具有通式：RaX(4-a)Y的化合物接触，其中a为1-3，和其中所述或每个R独立地是烷基或芳基，Y是硅或钛，和所述或每个X独立地选自氢、烷氧基和ZY′BB′B2′；Z为氧、-NH或-NR，Y′是硅或钛，和B、B′和B2′独立地是氢或烷基、芳基或烷氧基。在优选实施方案中化合物RaX(4-a)Y是六甲基二硅氮烷。
摘要（英）：

The invention provides a process for modifying a Fischer-Tropsch catalyst or catalyst precursor, the process comprising the steps of : - contacting a Fischer-Tropsch catalyst or catalyst precursor comprising a titania carrier with a compound having the general formula R-aX (4-a)Y wherein a is in the range of 1-3, and wherein the or each R is independently an alkyl or aryl group; Y is silicon or titanium, and, the or each X is independently chosen from the group consisting of hydrogen, an alkoxy group and ZY'BB'B2', z being oxygen, -NH, or -NR, Y' being silicon or titanium, and B, B' and B2', independently being hydrogen or an alkyl, aryl, or alkoxy group. In a preferred embodiment the compound R-aX(4-a)Y is hexamethyldisilazane.

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