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    • 3. 发明授权
    • Process for hydroconverting a heavy hydrocarbon chargestock
    • 加氢转化重质碳氢化合物的方法
    • US06726833B2
    • 2004-04-27
    • US10035195
    • 2002-01-04
    • Baoping HanLijing JiangYouliang ShiPai PengMei JinZhaoming Han
    • Baoping HanLijing JiangYouliang ShiPai PengMei JinZhaoming Han
    • C10G4700
    • C10G47/26
    • The present invention discloses a process for hydroconverting a heavy hydrocarbon chargestock, wherein said chargestock oil is first contacted with a highly active homogeneous hydrogenation catalyst to effect the hydrogenation reaction so that macromolecular radicals of the residue (the precursor of coke) form as less as possible, thereby decreasing the output of coke in the hydrocracking of the residue; when the reaction proceeds to a certain extent, a solid powder is added to adsorb the macromolecular radicals of the residue formed during the reaction and lower their reaction activity, thereby preventing them from further condensing to coke and/or depositing due to polymerization. The synergetic action of the two sorts of substances makes it possible to produce substantively no coke or less coke during the hydrogenation of residue in a suspension bed and prolong the operation lifetime of the unit.
    • 本发明公开了一种用于加氢转化重质烃原料的方法,其中首先与高活性均相氢化催化剂接触以使氢化反应进行氢化反应,使得残余物(焦炭前体)的大分子自由基尽可能少 从而降低残渣加氢裂化中焦炭的产量; 当反应进行到一定程度时,加入固体粉末以吸附反应期间形成的残余物的大分子基团,降低其反应活性,从而防止聚合反应进一步凝结焦化和/或沉积。 两种物质的协同作用使得在悬浮床中的残余物氢化期间实质上不产生焦炭或较少的焦炭,并延长了该装置的使用寿命。