HYDROGEN MANUFACTURE
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Abstract
A PROCESS FOR PRODUCING HYDROGEN FROM AN EXCESS REFINERY STREAM OR MIXTURE OF REFINERY STREAMS BY HYDROCRACKING, STEAM REFORMING A VAPOROUS FRACTION FROM THE HYDROCRACKING STEP, CONTACTING THE EFFLUENT FROM THE REFORMING STEP ADMIXED WITH ADDITIONAL STEAM WITH A WATER GAS SHIFT CATALYST, RECYCLING A PORTION OF THE HYDROGEN SEPARATED FROM THE SHIFT REACTION TO THE HYDROCRACKING STEP, AND RECOVERING THE REMAINDER OF THE HYDROGEN AS PRODUCT.
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