Patent ID: 6790802
Filing Date: 2004-09-14
Classification: B01J,C10G

Abstract:
A process for the regeneration of a hydrocarbon conversion catalyst in the presence of a halogen-containing material, the process comprising:(a) contacting a regeneration inlet stream comprising a first component selected from the group consisting of oxygen, hydrogen, nitrogen, and a C1-C5 hydrocarbon with a catalyst in the presence of a halogen-containing material at regeneration conditions to at least partially regenerate said catalyst and produce a regeneration effluent stream comprising said material and said first component; (b) contacting a first portion of said regeneration effluent stream with an adsorbent, adsorbing said material on said adsorbent at adsorption conditions, and recovering an adsorption effluent stream comprising said first component and having a reduced concentration of said material relative to said first portion of said regeneration effluent stream; (c) contacting a desorption inlet stream comprising a second component selected from the group consisting of oxygen, hydrogen, nitrogen, and a C1-C5 hydrocarbon with said adsorbent, said adsorbent having said material adsorbed thereon, desorbing said material from said adsorbent at desorption conditions, and recovering a desorption effluent stream comprising said material and said second component; and, (d) forming said regeneration inlet stream from a second portion of said regeneration effluent stream and at least a portion of said desorption effluent stream.