Abstract:
REMOVAL OF METAL CONTAMINANTS, SUCH AS NICKEL AND VANADIUM, FROM A CATALYST IS EFFECTED BY TREATMENT OF THE CATALYST WITH HYDROGEN PEROXIDE IN THE LIQUID STATE.
Abstract:
A NET AMOUNT OF ELEMENTAL SULFUR SUFFICIENT TO CAUSE AN OTHERWISE NONCORROSIVE HYDROCARBON PRODUCT TO FAIL THE COPPER STRIP CORROSION TEST (ASTM D1838-61T) IS PREVENTED FROM FORMING DURING THERMAL PROCESSING, SUCH AS DISTILLATION, OF THE HYDROCARBON PRODUCT BY EITHER (A) MAINTAINING THE TEMPERATURE OF THE THERMAL PROCESS BELOW ABOUT 250* OR (B) MAINTAINING THE WATER CONTENT OF THE HYDROCARBON PRODUCT TO A LEVEL BELOW ABOUT 1.0 MOLE PERCENT, AND PREFERABLY BELOW ABOUT 0.8 MOLE PERCENT.
Abstract:
An oxidative sweetening process using a catalyst comprising a copper salt and a Group VIII iron group metal salt, preferably iron. The catalyst can be either supported or unsupported. The unsupported catalyst can be prepared by physically admixing and pelletizing copper chloride and ferric oxide or impregnating gelatinous iron oxide with a solution of copper chloride.
Abstract:
VANANDIUM AND NICKEL ARE REMOVED FROM PETROLEUM OILS BY CONTACT WITH A PREFORMED VANADIUM OXIDE CATALYST ON ACTIVATED ALUMINA IN THE PRESENCE. THE CATALYST IS PREPARED BY CONTACTING ACTIVATED ALUMINA WTIH A NON-OILY MEDIUM CONTAINING A SOLUBLE VANADIUM COMPOUND.