摘要 |
A process for regenerating a deactivated catalyst or redispersing catalytic metals in a fresh catalyst comprising at least one Group VIII catalytic metal and zeolite comprises coke burn, oxyhalogenation, lower pressure, reduced temperature stripping, and low pressure final hydrogen reduction, with controlled hydrogen halide partial pressures in the stripping and reduction stages. |
申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
HUANG, YAO-JYH, ROBERT;FUNG, SHUN, CHONG;MCVICKER, GARY, BRICE;KAO, JAR-LIN;WALSH, JOHN, FRANCIS;CLEM, KENNETH, RAY |