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    • 31. 发明授权
    • Hydrotreating process with catalyst staging
    • 催化分级加氢处理
    • US4902404A
    • 1990-02-20
    • US215093
    • 1988-07-05
    • Teh C. Ho
    • Teh C. Ho
    • C10G45/04C10G65/04
    • C10G45/04C10G65/04
    • Disclosed is a process for hydrotreating a hydrocarbonaceous feed wherein the feed is treated with hydrogen, at hydrotreating conditions, in a first catalyst zone containing a conventional hydrotreating catalyst. The treated feed is then further treated in a second catalyst zone containing a catalyst represented MM'.sub.a S.sub.x where M is Cr or one or more divalent promoter metals selected from Mn, Fe, Co, Ni, Cu, and Zn; M' is one or both of Mo and W; x is 0.5 to 9, and a=1 when Cr is not one of metals represented by M, and 1
    • 公开了一种加氢处理含烃原料的方法,其中在加氢处理条件下,在含有常规加氢处理催化剂的第一催化剂区中,用氢气处理进料。 然后将处理过的进料在含有催化剂的第二催化剂区进一步处理,其中M a Sa x是M a S x,其中M是Cr或一种或多种选自Mn,Fe,Co,Ni,Cu和Zn的二价助催化剂金属; M'是Mo和W之一或两者; x为0.5〜9,当Cr不是由M表示的金属中的一种,a = 1,当Cr是由M表示的金属之一时,1