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1. (WO2018204000) PROCESSES FOR REGENERATING CATALYSTS

Pub. No.:    WO/2018/204000    International Application No.:    PCT/US2018/025640
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Tue Apr 03 01:59:59 CEST 2018
IPC: B01J 38/44
B01J 29/90
B01J 29/068
Applicants: EXXONMOBIL CHEMICAL PATENTS INC.
Inventors: BEDRAD, Jeremy, W.
IACCINO, Larry, L.
Title: PROCESSES FOR REGENERATING CATALYSTS
Abstract:
Disclosed are processes for regenerating catalysts comprising at least one Group 10 metal and a microporous crystalline aluminosilicate having a having a molar ratio of Group 10 metal to Al of greater than or equal to 0.007 : 1, and hydrocarbon conversion processes including such regeneration processes. In an aspect, the regeneration processes comprise an oxychlorination step comprising contacting the catalyst with a first gaseous stream comprising a chlorine source and an oxygen source under conditions effective for dispersing at least a portion of the at least one Group 10 metal on the surface of the catalyst and for producing a first Group 10 metal chlorohydrate. The processes further comprise a chlorine stripping step comprising contacting the catalyst with a second gaseous stream comprising an oxygen source, and optionally a chlorine source, under conditions effective for increasing the O/Cl ratio of the first Group 10 metal chlorohydrate to produce a second Group 10 metal chlorohydrate.