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    • 7. 发明申请
    • PROCESS FOR CATALYST REGENERATION
    • 催化剂再生方法
    • WO2016100053A1
    • 2016-06-23
    • PCT/US2015/064866
    • 2015-12-10
    • UOP LLC
    • COX, PelinJAN, Deng-Yang
    • B01J38/20B01J38/14B01J29/90
    • B01J29/90B01J38/20C10G11/182C10G45/68
    • A process is disclosed for an improved catalyst regeneration process to improve catalyst stability and hence increase overall catalyst life. The process includes passing a spent catalyst stream to a first, or upper, combustion zone to partially regenerate the catalyst through controlled combustion of the carbon on the catalyst. The first combustion zone will burn off a high fraction of hydrogen at lower temperatures generating a large fraction of H 2 O. The partially regenerated catalyst is passed to a second, or lower, combustion zone to burn off the remaining coke at the needed high severity operation. The second combustion zone will burn off the remaining coke at a higher temperature and higher oxygen gas inlet concentration.
    • 公开了一种改进的催化剂再生方法以改善催化剂稳定性并因此提高整体催化剂寿命的方法。 该方法包括将废催化剂流送入第一或上部燃烧区,以通过催化剂上的碳的可控燃烧来部分地再生催化剂。 第一个燃烧区将在较低的温度下燃烧高比例的氢气,产生大量的H 2 O。 将部分再生的催化剂通入第二或更低的燃烧区域,以在所需的高严重性操作下烧掉剩余的焦炭。 第二燃烧区将在更高的温度和更高的氧气进口浓度下燃烧剩余的焦炭。