Abstract:
A strong acid catalyzed alkylation process wherein an isoparaffin is alkylated with an alkylating agent such as olefin hydrocarbon, alkyl sulfates, in the liquid phase, at a superatmospheric pressure and a temperature in the range of from below zero to about 100*F., and wherein gaseous carbon dioxide is dissolved in the strong acid catalyst.
Abstract:
A METHOD FOR PREPARING A HYDROCARBON CONVERSION CATALYST BY PROVIDING A COMPOSITE COMPOSED OF ALUMINA HAVING ASSOCIATED THEREWITH A GROUP VI-B, VII-B OR VIII METAL OR COMPOUND AND CONTACTING THE COMPOSITE WITH AN ACTIVATOR SYSTEM COMPRISING HYDROGEN AND SULFURYL FLUORIDE OR THIONYL FLUORIDE. THE CATALYSTS SO PREPARED ARE USEFUL IN SUCH HYDROCARBON CONVERSION PROCESSES AS ISOMERIZATION, HYDROCRACKING, REFORMING, ALKYLATION, DISPROPORTIONATION, POLYMERIZATION AND HYDROGENATION.
Abstract:
A METHOD FOR PREPARING A HYDROCARBON CONVERSION CATALYST BY PROVIDING A COMPOSITE COMPOUND OF ALUMINA HAVING ASSOCIATED THEREWITH A GROUP VI-B, VII-B OR VIII METAL OR COMPOUND AND CONTACTING THE COMPOSITE WITH AN ACTIVATOR SYSTEM COMPRISING HYDROGEN AND SULFUR HEXAFLUORIDE. THE CATALYSTS SO PREPARED ARE USEFUL IN SUCH HYDROCARBON CONVERSION PROCESSES AS ISOMERIZATION, HYDROCRACKING, REFORMING, ALKYLATION, DISPROPORTIONATION, POLYMERIZATION AND HYDROGENTATION.
Abstract:
THIS INVENTION AND THIS DISCLOSURE ARE DIRECTED TO AN IMPROVED METHOD FOR ACTIVATING ALUMINA AND NOBLE METALALUMINA COMPOSITES TO PREPARE CATALYSTS USEFUL FOR HYDROCARBON CONVERSION, PARTICULARLY ISOMERIZATION. THE INVENTION REVOLVES ABOUT ACTIVATING THE COMPOSITE WITH A SOLUTION OF HEXACHLOROETHANE OR OCTACHLOROPROPANE WHICH ARE NORMALLY SOLIDS AT AMBIENT CONDITIONS. THE ACTIVATION OF THE ALUMINA OR METAL-ALUMINA COMPOSITE IS PERFORMED BY INTRODUCING THE HEXACHLOROETHANE ACTIVATING AGENT IN THE FORM OF A SOLUTION AND TREATING THE COMPOSITE TO BE ACTIVATED WITH THE SOLUTION UNDER ACTIVATING CONDITIONS. A SUITABLE SOLVENT IS TETRACHLOROETHYLENE.
Abstract:
A METHOD FOR THE DYDROISOMERIZATION OF C4-C7 HYDROCARBONS IN THE PRESENCE OF A CHLORIDE ACTIVATED METALALUMINA CATALYST, WHERE THE METAL IS SELECTED FROM THE GROUP CONSISTING OF RUTHENIUM, RHODIUM, PALLADIUM AND PLATINUM, WHERE THE SELECTIVITY OF THE CATALYST IS ENHANCED BY TREATING THE CATALYST WITY A CARBON OXIDE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 50*F. TO 400*F.
Abstract:
The octane number of paraffinic gasoline blending components may be increased by (1) cyclizing the n-paraffins with hydrogen under reforming conditions in the presence of a catalyst prepared by depositing a noble metal on magnesium oxide and mixing the resulting noble metal-magnesia into an alumina gel matrix, and (2) subjecting the cyclized component to conventional catalytic reforming.