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公开(公告)号:US5138108A
公开(公告)日:1992-08-11
申请号:US776018
申请日:1991-10-15
CPC分类号: C07C17/12 , B01J29/90 , B01J38/64 , Y02P20/584
摘要: Disclosed is a process for regeneration of a 13X zeolite catalyst comprising conducting the following steps within the regeneration zone wherein the 13X zeolite is located.(1) Applying vacuum or delivering a source of molecular oxygen or inert gas at a temperature above 100.degree. C. to remove a portion of the volatile compounds from the 13X zeolite,(2) Cooling the 13X zeolite to a temperature below 100 degrees C.,(3) Contacting the 13X zeolite with an aqueous solution having a pH in the range of 7 to 14,(4) Drying the 13X zeolite,(5) Delivering an oxygen containing calcination gas to the regeneration zone and heating the 13X zeolite to a temperature in the range of 350.degree. to 450.degree. C.,(6) Cooling the 13X zeolite to a temperature below 100 degrees C., and(7) Contacting the 13X zeolite with an aqueous solution having a pH in the range of 7 to 14.
摘要翻译: 公开了一种13X沸石催化剂再生方法,包括在13X沸石所在的再生区内进行以下步骤。 (1)在高于100℃的温度下施加真空或输送分子氧或惰性气体源以从13X沸石中除去一部分挥发性化合物,(2)将13X沸石冷却到低于100℃的温度 (3)将13X沸石与pH为7〜14的水溶液接触,(4)干燥13X沸石,(5)将含氧的煅烧气体送入再生区并加热13X沸石 温度在350-450℃的范围内;(6)将13X沸石冷却到低于100℃的温度,和(7)将13X沸石与pH范围内的水溶液接触, 7到14。