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