Process for treating petroleum residuals to remove metal contaminants

Claim 1

A PROCESS FOR TREATING PETROLEUM RESIDUALS BOILING PRIMARILY ABOVE 950*F. AND CONTAINING METAL CONTAMINANTS CONSISTING ESSENTIALLY OF CONTACTING UNDER ESSENTIALLY ANHYDROUS CONDITIONS SAID RESIDUAL IN A ZONE UNDER HYDROCRACKING CONVERSION CONDITIONS SO THAT THERE IS A CONVERSION OF AT LEAST ABOUT 20 PERCENT OF SAID RESIDUAL TO LIQUID PRODUCTS BOILING BELOW ABOUT 950*F., AT A TEMPERATURE FROM ABOUT 750*F. TO 950*F. AND AT A HYDROGEN PARTIAL PRESSURE OF AT LEAST ABOUT 100 P.S.I.G. WITH A CATALYTIC AMOUNT OF HALOGEN HYDRIDE OF A HALOGEN HABING AN ATOMIC NUMBER FROM 35 TO 53 AND WITH A HYDROAROMATIC MATERIAL IN AN AMOUNT OF AT LEAST ABOUT 20% BASED ON THE RESIDUAL, AND SEPARATING FROM THE HYDROCRACKED PRODUCT A GAS OIL FRACTION AND A MATERIAL BOILING PRIMARILY ABOVE ABOUT 950*F.