Process for the recovery of gasoline from petroleum oils or crude residues by destructive hydrogenation with the use of a catalyst

Claim 1

A PROCESS OF PRODUCING GASOLINE DIRECTLY FROM A CRUDE OIL WHICH COMPRISES CONCURRENTLY PASSING HYDROGEN AND A CRUDE OIL SUBSTANTIALLY FREE FROM GASOLINE AND WHICH CONTAINS NOT MORE THAN 2% ASPHALTS AND AT LEAST 12% HYDROGEN AT A TEMPERATURE OF BETWEEN 400* C. AND 550* C. AND UNDER A PRESSURE OF BETWEEN 200 AND 800 ATMOSPHERES OVER A DE-ASHING SUBSTANCE AND THEN AT THE SAID CONDITIONS OF TEMPERATURE AND PRESSURE OVER A FIXED BED OF CATALYST AT AN OIL RATE OF 0.2 TO 1.5 KILOGRAMS PER LITER OF CATALYST PER HOUR, THE CARRIER OF SAID CATALYST BEING MADE UP OF AT LEAST ONE SUBSTANCE FROM THE GROUP CONSISTING OF SILICATES, SILICA GEL AND ALUMINA AND BEING PROVIDED WITH A MINOR PROPORTION OF A COMPOUND OF A METAL OF THE GROUP CONSISTING OF MOLYBDENUM AND TUNGSTEN; AND MAINTAINING REACTION CONDITIONS SUCH THAT NO MORE THAN 35% OF THE HYDROCARBON CONTENT OF THE REACTION ZONE IS IN THE LIQUID PHASE AND SUCH THAT THE REACTION PRODUCT FORMED IN A ONCE-THROUGH OPERATION CONTAINS LESS THAN 6% BY WEIGHT OF GAS AND AT LEAST 40% BUT NOT MORE THAN 65% BY WEIGHT OF GASOLINE.