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公开(公告)号:US20100285949A1
公开(公告)日:2010-11-11
申请号:US12738061
申请日:2008-10-07
申请人: Terry Eugene Helton , Vijav Nanda , Wei-Ping Tai , Teresa Ann Jurgens-Kowal , Kathleen Marie Keville
发明人: Terry Eugene Helton , Vijav Nanda , Wei-Ping Tai , Teresa Ann Jurgens-Kowal , Kathleen Marie Keville
CPC分类号: B01J38/02 , B01J29/041 , B01J29/08 , B01J29/18 , B01J29/7007 , B01J29/90 , B01J38/04
摘要: This disclosure relates to a method for rejuvenating a catalyst, comprising contacting the catalyst with a gaseous feedstock at rejuvenation conditions for at least one hour to form a rejuvenated catalyst and a gaseous product, wherein the catalyst comprises at least 10 wt. % of a molecular sieve, wherein the catalyst prior to the contacting step comprises from 0.001 wt. % to 45 wt. % of hydrocarbons and 0.001 to 10 wt. % nitrogen containing components based on the total weight of the catalyst prior to the contacting step, wherein the molecular sieve comprises at least one of a MCM-22 family molecular sieve, a molecular sieve having a framework type of *BEA, a molecular sieve having a framework type of FAU, and a molecular sieve having a framework type of MOR, wherein the gaseous feedstock comprises at least one of N2, H2, alkane, He, Ar, CO, and CO2, wherein the gaseous product has at least a portion of the gaseous feedstock and at least a portion of the hydrocarbons of the catalyst and at least a portion of the nitrogen containing components of the catalyst, wherein the rejuvenation conditions comprise a temperature in the range from about 400 to 600° C., a pressure in the range from about 101.3 kPa-a to 10130 kPa-a, a space hourly velocity in the range of from 0.05 to 10 hr−1.
摘要翻译: 本公开涉及一种用于使催化剂再生的方法,包括在再生条件下将催化剂与气态原料接触至少1小时,以形成复原的催化剂和气态产物,其中催化剂包含至少10wt。 %的分子筛,其中在接触步骤之前的催化剂包含0.001重量% %至45重量% %的烃和0.001至10wt。 %的含氮组分基于在接触步骤之前的催化剂的总重量,其中分子筛包括MCM-22族分子筛,具有骨架类型为* BEA的分子筛中的至少一种,分子筛具有 骨架类型的FAU和具有骨架类型MOR的分子筛,其中气态原料包括N 2,H 2,烷烃,He,Ar,CO和CO 2中的至少一种,其中气态产物具有至少一部分 的气态原料和催化剂的烃的至少一部分和催化剂的至少一部分含氮组分,其中再生条件包括约400-600℃的温度,压力 在约101.3kPa-a至10130kPa-a的范围内,空间时速在0.05至10小时-1的范围内。
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公开(公告)号:US08623777B2
公开(公告)日:2014-01-07
申请号:US12738061
申请日:2008-10-07
申请人: Terry Eugene Helton , Vijay Nanda , Wei-Ping Tai , Teresa Ann Jurgens-Kowal , Kathleen Marie Keville
发明人: Terry Eugene Helton , Vijay Nanda , Wei-Ping Tai , Teresa Ann Jurgens-Kowal , Kathleen Marie Keville
CPC分类号: B01J38/02 , B01J29/041 , B01J29/08 , B01J29/18 , B01J29/7007 , B01J29/90 , B01J38/04
摘要: This disclosure relates to a method for rejuvenating a catalyst, comprising contacting the catalyst with a gaseous feedstock at rejuvenation conditions for at least one hour to form a rejuvenated catalyst and a gaseous product, wherein the catalyst comprises at least 10 wt. % of a molecular sieve, wherein the catalyst prior to the contacting step comprises from 0.001 wt. % to 45 wt. % of hydrocarbons and 0.001 to 10 wt. % nitrogen containing components based on the total weight of the catalyst prior to the contacting step, wherein the molecular sieve comprises at least one of a MCM-22 family molecular sieve, a molecular sieve having a framework type of *BEA, a molecular sieve having a framework type of FAU, and a molecular sieve having a framework type of MOR, wherein the gaseous feedstock comprises at least one of N2, H2, alkane, He, Ar, CO, and CO2, wherein the gaseous product has at least a portion of the gaseous feedstock and at least a portion of the hydrocarbons of the catalyst and at least a portion of the nitrogen containing components of the catalyst, wherein the rejuvenation conditions comprise a temperature in the range from about 400 to 600° C., a pressure in the range from about 101.3 kPa-a to 10130 kPa-a, a space hourly velocity in the range of from 0.05 to 10 hr−1.
摘要翻译: 本公开涉及一种用于使催化剂再生的方法,包括在再生条件下将催化剂与气态原料接触至少1小时,以形成复原的催化剂和气态产物,其中催化剂包含至少10wt。 %的分子筛,其中在接触步骤之前的催化剂包含0.001重量% %至45重量% %的烃和0.001至10wt。 %的含氮组分基于在接触步骤之前的催化剂的总重量,其中分子筛包括MCM-22族分子筛,具有骨架类型为* BEA的分子筛中的至少一种,分子筛具有 骨架类型的FAU和具有骨架类型MOR的分子筛,其中气态原料包括N 2,H 2,烷烃,He,Ar,CO和CO 2中的至少一种,其中气态产物具有至少一部分 的气态原料和催化剂的烃的至少一部分和催化剂的至少一部分含氮组分,其中再生条件包括约400-600℃的温度,压力 在约101.3kPa-a至10130kPa-a的范围内,空间时速在0.05至10小时-1的范围内。
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