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Processes for Rejuvenating Catalysts 发明申请

2023-01-16 2120 2042K 0

专利信息

申请日期 2025-08-15 申请号 US15947986
公开(公告)号 US20180318813A1 公开(公告)日 2018-11-08
公开国别 US 申请人省市代码 全国
申请人 ExxonMobil Chemical Patents Inc
简介 Disclosed are processes for rejuvenating catalysts comprising at least one Group 10 metal and a microporous crystalline metallosilicate, and hydrocarbon conversion processes including such rejuvenation processes. In an aspect, the rejuvenation process comprises contacting a deactivated catalyst comprising at least one Group 10 metal and a microporous crystalline metallosilicate with an oxygen-containing gaseous stream under conditions comprising a temperature ranging from about 250° C. to about 375° C. and a pressure of up to about 100 bar. In a further aspect, the rejuvenation process comprises contacting a deactivated catalyst comprising at least one Group 10 metal, at least one rare earth metal, and a microporous crystalline metallosilicate with an oxygen-containing gaseous stream under conditions comprising a temperature ranging from about 250° C. to about 500° C. and a pressure of up to about 100 bar.


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