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公开(公告)号:US09850435B2
公开(公告)日:2017-12-26
申请号:US14809911
申请日:2015-07-27
申请人: Stuart H. Shih , William J. Novak
发明人: Stuart H. Shih , William J. Novak
CPC分类号: C10G45/02 , C10G45/08 , C10G65/04 , C10G2300/70 , C10G2300/80
摘要: A catalytic naphtha hydrodesulfurization process is operated in a process unit having a surge drum with equipped for gas blanketing with a blanketing gas containing controlled levels of CO and CO2. If the gas selected for blanketing normally contains more than the acceptable level of these inhibitors, they should be reduced to the levels appropriate for retention of catalyst functionality.