Patent ID: 8603406
Filing Date: 2013-12-10
Classification: B01J,C07C,Y02P

Abstract:
1. An apparatus for regeneration of catalyst comprising: a combustion chamber having a spent dehydrogenation catalyst inlet, a combustion gas inlet, and a combustion chamber outlet for conveying catalyst and effluent gas; a drying chamber, having a catalyst/effluent gas inlet in fluid communication with the combustion chamber outlet, where the catalyst separates from the effluent gas, a drying gas inlet, a drying chamber catalyst outlet and a drying chamber effluent gas outlet; and a stripping chamber having a catalyst inlet in fluid communication with the drying chamber catalyst outlet, a stripping gas inlet, a stripping chamber catalyst outlet, and a stripping chamber effluent gas outlet; wherein the drying chamber and the stripping chamber are disposed between the combustion chamber catalyst outlet, and a reactor catalyst inlet.