Process and apparatus for producing acidic carbon black

Claim 1

A PROCESS FOR PRODUCING ACIDIC CARBON BLACK WHICH COMPRISES: CONTINUOUSLY FEEDING A FLUID HYDROCARBON REACTANT INTO A GENERALLY CYLINDRICAL ZONE; PASSING SAID FUEL THROUGH SAID ZONE IN AN ANNULAR MASS ADJACENT THE PERIPHERY OF SAID CYLINDRICAL ZONE; CONTINUOUSLY FEEDING A OXYGEN-CONTAINING FLUID OXIDATION AGENT INTO SAID ZONE; PASSING SAID AGENT THROUGH SAID ZONE IN A ROTATING AXIAL CORE IN CONTACT WITH SAID REACTANT; MAINTAINING CONDITIONS OF PRESSURE, AND RESIDENCE TIME TO PRODUCE CARBON BLACK FROM SAID FUEL IN SAID CYLINDRICAL ZONE TO A TEMPERATURE IN THE RANGE OF 800 TO 1800*F.; PARITALLY QUENCHING THE REACTION PRODUCTS FROM SAID CYLINDRICAL ZONE BY THE ADDITION OF A FLUID QUENCHING AGENT; PASSING SAID PARTIALLY QUENCHED REACTION PRODUCTS WITHOUT FURTHER SUBSTANTIAL COOLING INTO AN OXIDIZING ZONE; AND IN SAID OXIDIZING ZONE, CONTACTING SAID PARTIALLY QUENCHED REACTION PRODUCTS WITH AN OXYGEN CONTAINING FLUID OXIDING AGENT TO OXIDIZE SAID REACTION PRODUCT TO PRODUCE ACIDIC CARBON BLACK.