A catalytic multi stage hydrocarbon conversion process is provided for reducing {HEAD ~ high metals content}, sulfur content and pour point of the catalytically reacted residual oil by {TAIL ~ the use} of sequential combination of catalytic compositions 
A catalytic multi stage hydrocarbon conversion process is provided for reducing { HEAD ~ high metals content } , sulfur content and pour point of the catalytically reacted residual oil by { TAIL ~ the use } of sequential combination of catalytic compositions
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