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    • 1. 发明申请
    • CATALYST REGENERATION PROCESS
    • 催化再生过程
    • WO2009067331A2
    • 2009-05-28
    • PCT/US2008082352
    • 2008-11-04
    • EXXONMOBIL CHEM PATENTS INCLEVIN DORONBEECH JAMES HKWOK SELMASTEINHEIDER JULIA E
    • LEVIN DORONBEECH JAMES HKWOK SELMASTEINHEIDER JULIA E
    • B01J29/00B01J29/90
    • B01J29/90B01J29/06B01J29/7034B01J29/74B01J29/78B01J38/20B01J2229/42
    • This disclosure relates to a process for regenerating a catalyst composition, wherein the catalyst composition comprising a molecular sieve and at least 10 wt.% coke having a C/H ratio in the range of 0.26 to 5, the process comprising (a) contacting the catalyst composition with a first oxidative medium having oxygen and water at first conditions sufficient to form a first regenerated catalyst composition having at least 50 wt.% less coke than the catalyst composition; and then (b) contacting at least a portion of the first regenerated catalyst composition with a second oxidative medium having oxygen, and optionally water, at second conditions sufficient to form a second regenerated catalyst composition having at least 50 wt% less coke than the first regenerated catalyst composition, wherein the catalyst composition in step (a) and the first regenerated catalyst in step (b) have contacted total amount of water in the range of 1 to 50 weight water per weight of the second regenerated catalyst composition.
    • 本公开涉及一种用于再生催化剂组合物的方法,其中所述催化剂组合物包含分子筛和至少10重量%的C / H比在0.26至5的范围内的焦炭,所述方法包括(a)使 催化剂组合物,其具有在第一条件下具有氧和水的第一氧化介质,足以形成具有比催化剂组合物少至少50重量%的焦炭的第一再生催化剂组合物; 然后(b)在足以形成第二再生催化剂组合物的第二条件下使至少一部分第一再生催化剂组合物与具有氧的第二氧化介质和任选的水接触,所述第二再生催化剂组合物的焦炭比第一再生催化剂组合物少至少50重量% 再生催化剂组合物,其中步骤(a)中的催化剂组合物和步骤(b)中的第一再生催化剂已经接触每重量第二再生催化剂组合物的1至50重量%水的总量。