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    • 3. 发明授权
    • Process for the preparation of olefins
    • 烯烃的制备方法
    • US09115039B2
    • 2015-08-25
    • US13597488
    • 2012-08-29
    • Leslie Andrew ChewterJose Atilio Quevedo Enriquez
    • Leslie Andrew ChewterJose Atilio Quevedo Enriquez
    • C07C1/22C07C1/20C07C4/06
    • C07C1/22C07C1/20C07C4/06C07C2529/40C07C2529/85Y02P20/584Y02P30/42C07C11/04C07C11/06
    • Process for the preparation of olefins comprising reacting an oxygenate and/or olefinic feed in a reactor in the presence of a molecular sieve catalyst to form a mixture which comprises olefins and at least partially coked catalyst; passing at least partially coked catalyst to a regenerator; introducing into the regenerator an oxygen-containing gas to regenerate the at least partially coked catalyst, thereby producing a gaseous mixture and at least partially regenerated catalyst; separating at least partially regenerated catalyst and at least part of the gaseous mixture; analysing the composition of the gaseous mixture to control the burning rate of the coke present on the at least partially coked catalyst in the regenerator by adjusting the mass flow rate of the oxygen-containing gas on the basis of the analysis of the gaseous mixture; and passing at least part of the at least partially regenerated catalyst back to the reactor.
    • 包括在分子筛催化剂存在下使反应器中的含氧化合物和/或烯烃进料反应以形成包含烯烃和至少部分焦化的催化剂的混合物的方法; 将至少部分焦化的催化剂通入再生器; 向所述再生器中引入含氧气体以再生所述至少部分焦化的催化剂,由此产生气态混合物和至少部分再生的催化剂; 分离至少部分再生的催化剂和至少部分气态混合物; 通过基于气体混合物的分析调节含氧气体的质量流量,分析气态混合物的组成以控制存在于再生器中的至少部分焦化的催化剂上的焦炭的燃烧速率; 并将至少部分再生的至少一部分催化剂返回到反应器中。
    • 10. 发明申请
    • PROCESS FOR THE REGENERATION OF A CATALYST
    • 催化剂再生方法
    • US20130225394A1
    • 2013-08-29
    • US13597471
    • 2012-08-29
    • Jose Atilio QUEVEDO ENRIQUEZLeslie Andrew ChewterJeroen Van Westrenen
    • Jose Atilio QUEVEDO ENRIQUEZLeslie Andrew ChewterJeroen Van Westrenen
    • B01J29/90
    • B01J29/90C07C1/20Y02P20/584Y02P30/42C07C11/02
    • Process for the regeneration of an at least partially coked molecular sieve catalyst comprising introducing the at least partially coked catalyst into a regenerator; introducing into the regenerator an oxygen-containing gas to regenerate at least part of the at least partially coked catalyst, thereby producing a gaseous mixture and at least partially regenerated catalyst; recovering part of the at least partially regenerated catalyst; analysing the at least partially regenerated catalyst to control the burning rate of the coke present on the at least partially coked catalyst in the regenerator by adjusting one or more conditions of the regeneration of the at least partially coked catalyst on the basis of the analysis of the at least partially regenerated catalyst; and separating at least partially regenerated catalyst and at least part of the gaseous mixture as obtained in step (b).
    • 一种用于再生至少部分焦化的分子筛催化剂的方法,包括将至少部分焦化的催化剂引入再生器中; 向所述再生器中引入含氧气体以再生所述至少部分焦化的催化剂的至少一部分,由此产生气态混合物和至少部分再生的催化剂; 回收所述至少部分再生的催化剂的一部分; 分析所述至少部分再生的催化剂以通过基于对所述至少部分再生催化剂的分析来调节所述至少部分焦化的催化剂的再生的一个或多个条件来控制存在于所述再生器中的所述至少部分焦化的催化剂上的焦炭的燃烧速率 至少部分再生催化剂; 以及分离至少部分再生的催化剂和步骤(b)中获得的至少部分气态混合物。