Abstract:
Hydroconversion of hydrocarbons, particularly reforming of naphthas, is conducted in the presence of hydrogen with a catalyst comprising a platinum group component in an amount of from 0.01 to 5 weight percent, a tin component in an amount of from 0.01 to 5 weight percent and a halogen in an amount of from 0.1 to 3 weight percent in association with a porous solid carrier.
Abstract:
A CATALYST CONTAINING RHENIUM IN THE OXIDIZED STATE SUPPORTED ON A POROUS SOLID CARRIER IS TREATED WITH AN EXCESS OF AN IONIC SOLUTION AT A PH FROM 0-12 TO RECOVER RHENIUM FROM THE CATALYST WITHOUT DISSOLVING THE CARRIER.
Abstract:
The fouling rate of a reforming catalyst comprising less than about 0.3 weight percent platinum and 0.01 to 5 weight percent rhenium in association with a porous solid carrier is significantly decreased by sulfiding the catalyst prior to reforming.
Abstract:
A REFORMING PROCESS UTILIZING AS A CATLYST A COMPOSITION OF MATTER COMPRISING A POROUS SOLID CARRIER IN ASSOCIATION WITH 0.1 TO 3.0 WEIGHT PERCENT PLATINUM, AND 0.1 TO 3.0 WEIGHT PERCENT RHENIUM WITH A RHENIUM TO PLATINUM ATOMIC RATIO OF LESS THAN 1.0. THE PLATINUM AND RHENIUM ARE DISPOSED ON THE SURFACE OF THE CARRIER BY IMPREGNATION
WITH WATER SOLUBLE COMPOUNDS OF THE METALS, FOLLOWED BY SIMULTANEOUS REDUCTION OF THE COMPOUNDS.
Abstract:
A HYDROCARBON CONVERSION CATALYST COMPRISING A CRYSTALLINE ZEOLITIC MOLECULAR SIEVE CRACKING COMPONENT, 0.01 TO 2.0 WEIGHT PERCENT, BASED ON SAID CRACKING COMPONENT AND CALCULATED AS THE METAL, OF A HYDROGENATING COMPONENT SELECTED FROM PLATINUM, PALLADIUM AND IRIDIUM AND COMPOUNDS OF PLATINUM, PALLADIUM AND IRIDIUM AND 0.01 TO 2.0 WEIGHT PERCENT, BASE ON SAID CRACKING COMPONENT AND CALCULATED AS THE METAL, OF A HYDROGENATING COMPONENT SELECTED FROM THE GROUP CONSISTING OF RHENIUM AND COMPOUNDS OF RHENIUM.