Abstract:
AN OLEFINIC GASOLINE IS CONVERTED TO PRODUCE HIGHER OCTANE PRODUCTS BY ALKYLATING THE C5 FRACTION, EXTRACTING THE C7 FRACTION TO REMOVE AROMATICS, DEHYDROCYCLIZING THE RAFFINATE TO PRODUCE ADDITIONAL AROMATICS AND CYCLING AT LEAST ONE MATERIAL IN THE C3 TO C5 RANGE FROM THE DEHYDROCYCLIZATION PRODUCT TO THE ALKYLATION STEP.
Abstract:
A FEEDSTOCK COMPRISING 3-METHYLBUTENE-1- IS CONVERTED TO PARA-XYLENE BY DISPROPORTIONATION TO 2,5-DIMETHYLHEXENE WHICH IS SUBSEQUENTLY DEHYDROCYCLIZED OVER A CATALYST COMPRISING AT LEAST ONE GROUP VIII METAL IN ASSOCIATION WITH TIN IN COMBINATION WITH A GROUP II ALUMINATE SPINEL SUPPORT MATERIAL.
Abstract:
Refinery process stream containing isohexanes is converted to a suitable lead-free motor fuel by contact in the presence of steam with a tin-promoted noble metal-Group II aluminate catalyst.
Abstract:
A process for removing dehydrogenation catalyst poisons from paraffin and steam feedstreams by pretreating the feedstreams with Group VIII metal oxides. Undesirable silica is removed from turbo-electric generator steam feedstreams through the process of pretreating said steam with Group VIII metal oxide.