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    • 9. 发明授权
    • Method and apparatus for catalytically converting fractions of crude oil
boiling above gasoline
    • 用于催化转化沸点高于汽油的原油馏分的方法和装置
    • US4786400A
    • 1988-11-22
    • US648676
    • 1984-09-10
    • Carl D. Farnsworth
    • Carl D. Farnsworth
    • C10G11/18C10G51/04C10G55/06C10G51/06C10G55/08
    • C10G51/04C10G11/18C10G11/182C10G55/06
    • A dual riser cracking operation in combination with sequential stages of catalyst regeneration in which the second regeneration stage is a riser regenerator is described in combination with deep solvent deasphalting a vacuum resid. The deasphalted resid is subjected to hydrogenation treatment prior to cracking thereof in a riser cracking zone in admixture with a heavy vacuum gas oil which may or may not be hydrogenated prior to cracking thereof. Lower boiling fractions of the crude oil are subjected to catalytic cracking in a separate riser cracking zone. Partially regenerated catalyst of dense fluid bed regeneration may be employed in the heavy oil feed riser cracking operation charged with deasphalted oil. The partially regenerated catalyst may be used alone or in combination with more completely regenerated catalyst of the riser regeneration operation.
    • 双重提升管裂解操作与催化剂再生的顺序阶段相结合,其中第二再生阶段是提升管再生器,与深层溶剂脱沥青真空渣油一起描述。 脱沥青残渣在其在提升管裂化区中裂解之前进行氢化处理,与重质减压瓦斯油混合,该重质真空瓦斯油在其裂化之前可能被氢化或不被氢化。 原油的低沸点馏分在单独的提升管裂化区中进行催化裂化。 致密流化床再生的部分再生催化剂可用于装有脱沥青油的重油进料提升管裂解操作。 部分再生的催化剂可以单独使用或与提升管再生操作的更完全再生的催化剂组合使用。