Patent ID: 8680000
Filing Date: 2014-03-25
Classification: B01J,C10G

Abstract:
1. A process for regenerating a catalyst for the production of aromatic hydrocarbons or for reforming, comprising: a) combusting said catalyst in a combustion zone A comprising at least two combustion beds, a first combustion bed A b) oxychlorinating said catalyst in an oxychlorination zone B comprising at least one oxychlorination bed, said oxychlorination zone B being supplied with at least one chlorinating agent, at least with water or water precursors and at least with an oxygen-containing gas; c) calcining said catalyst in a calcining zone C comprising at least one calcining bed supplied with a gas comprising oxygen; in which: said catalyst comprises a support, chlorine and at least one noble metal and moves in series in the first combustion bed A effluent gas from bed A the gas supplying the calcining zone C moves freely to the oxychlorination zone B; a makeup of oxygen-containing gas is made at least to the inlet to the calcining zone; a portion of effluent gas from the oxychlorination zone is recycled via at least one scrubbing section D towards the inlet to combustion beds A the effluent gas from the oxychlorination zone is recycled, passing via a blower, without passing through said scrubbing section D, at least in part directly to the combustion bed A a portion of effluent gas from combustion bed A