Abstract:
A PROCESS FOR SIMULTANEOUSLY DESALTING A HYDOCARBON FEEDSTOCK AND REMOVING IRON PRESENT IN THE HYDOCARBON FEEDSTOCK AS A SOLUBLE ORGANOMETALLIC COMPOUND WHICH COMPRISES CONTACTING THE FEEDSTOCK WITH AN AQUEOUS SOLUTION CONTAINING CYANIDE ION AND THEN SEPARATING AN AQUEOUS BRINE PHASE FROM THE HYDROCARBON FEEDSTOCK. PREFERABLY, THE AQUEOUS SOLUTION CONTAINS IN ADDITION TO CYANIDE ION A REDUCING AGENT SUCH AS AMMONIUM SULFIDE AND PREFERABLY THE FEED IS A CRUDE OIL OR A RESIDUUM FRACTION.
Abstract:
The method of treating a catalyst comprising a layered crystalline clay-type aluminosilicate component, to restore thereto at least a portion of the hydrocracking activity lost by dehydration, or to prevent dehydration-caused activity decline thereof during hydrocracking process operation, which comprises adding water to said catalyst.
Abstract:
A PROCESS FOR THE REMOVAL OF IRON FROM IRON-CONTAMINATED HYDROCARBON OIL BY CONTACTING THE OIL WITH A TREATING AGENT COMPRISING AN AQUEOUS SOLUTION OF CYANIDE ION. IRON MAY BE SELECTIVELY REMOVED FROM AN OIL CONTAMINATED WITH NICKEL AND VANADIUM AS WELL AS IRON. A REFINERY FOUL WATER MAY BE THE SOURCE OF THE CYANIDE ION.