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    • 2. 发明申请
    • Catalyst Regeneration Process
    • 催化剂再生过程
    • US20100298117A1
    • 2010-11-25
    • US12738057
    • 2008-11-04
    • Doron LevinJames Harding Beech, JR.Selma SheungNam KwokJulia Elizabeth Steinheider
    • Doron LevinJames Harding Beech, JR.Selma SheungNam KwokJulia Elizabeth Steinheider
    • B01J38/70
    • 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% %C / H比在0.26至5范围内的方法,该方法包括(a)在足以形成第一再生催化剂组合物的第一条件下使催化剂组合物与具有氧和水的第一氧化介质接触,所述第一再生催化剂组合物具有至少50 重量 比催化剂组合物少少的焦炭; 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。