Abstract:
HYDROCARBON CONVERSION CATALYSTS OF IMPROVED ACTIVITY ARE OBTAINED BY ACTIVATING FORMAMINOUS REFRACTORY OXIDES COMBINED WITH AT LEAST ONE THERMALLY DECOMPOSABLE AND/ OR OXIDIZABLE COMPOUND OF A CATALYTICALLY ACTIVE METAL UPON CALCINATION WHILE CONTACTING THE COMPOSITE WITH AN ACCELERATED FLOW OF AN OXIDIZING GAS AT A RATE OF AT LEAST ABOUT 2 S.C.F.M. PER POUND OF SAID COMPOSITE. FURTHER ADVANTAGE IS REALIZED BY HEATING THE COMPOSITE TO THE PRESCRIBED CALCINATION TEMPERATURE AT A CONTROLLED GRADUAL RATE. IT IS ALSO GENERALLY DESIRABLE TO ASSURE THAT THE INLET TEMPERATURE OF THE OXIDIZING GAS PRIOR TO CONTACT WITH THE COMPOSITE IS LESS THAN ABOUT 500*F.
Abstract:
A superior hydrogenative desulfurization process includes reacting hydrogen with a hydrocarbon feed under conditions sufficient to promote said reaction and in the presence of a catalytic combination of at least one molybdenum compound and at least one Group VIII metal or metal compound prepared by impregnating a foraminous refractory oxide support with a highly stable solution of the metal compounds and an acid of phosphorus wherein the impregnating solution has a P/MoO3 weight ratio of about 0.1 to about 0.25 and an initial pH of about 1 to about 2. Even a greater advantage relative to previously available hydrogenative hydrocarbon conversion systems is realized when operating on feed-stocks containing substantial amounts of organonitrogen compounds.
Abstract:
HYDROCARBONS CONTAINING ORGANONITROGEN COMPOUNDS ARE DENITROGENATED BY REACTING HYDROGEN WITH THE HYDROCARBON FEED UNDER DENITROGENATION CONDITIONS IN THE PRESENCE OF A CATALYTIC COMBINATION OF AT LEAST ONE MOLYBDENUM COMPOUND AND AT LEAST ONE GROUP VIII METAL OR METAL COMPOUND PREPARED BY IMPREGNATING A FORAMINOUS REFRACTORY OXIDE SUPPORT WITH A HIGHLY STABLE SOLUTION OF THE METAL COMPOUNDS AND AN ACID OF PHOSPHORUS WHEREIN THE IMPREGNATING SOLUTION HAS A P/M0O3 WEIGHT RATIO OF ABOUT 0.1 TO ABOUT 0.25 AND AN INITIAL PH OF ABOUT 1 TO ABOUT 2.
Abstract:
Highly active catalysts of molybdenum and Group VIII metals are prepared by impregnating a support with highly stable solutions of the active metal compounds and an acid of phosphorus having a P/MoO3 weight ratio of 0.1-0.25 and an initial pH of 1 to about 2.
Abstract:
A SUPERIOR HYDROGENATIVE HYDROCARBON CONVERSION PROCESS INCLUDES REACTING HYDROGEN WITH A HYDROCARBON FEED UNDER CONDITIONS SUFFICIENT TO PROMOTE SAID REACTION IN THE PRESENCE OF A CATALYTIC COMBINATION OF AT LEAST ONE MOLYBDENUM COMPOUND AND AT LEAST ONE GROUP VIII METAL OR METAL COMPOUND PREPARED BY IMPREGNATING A FORAMINOUS REFRACTORY OXIDE SUPPORT WITH A HIGHLY STABLE SOLUTION OF THE METAL COMPOUNDS AND AN ACID OF PHOSPHORUS WHEREIN THE IMPREGNATING SOLUTION HAS A P/M0O3 WEIGHT RATIO OF ABOUT 0.1 TO ABOUT 0.25 AND AN INITIAL PH OF ABOUT 1 TO ABOUT 2. WVEN GREATER ADVANTAGE RELATIVE TO PREVIOUSLY AVAILABLE HYDROGENATIVE HYDROCARBON CONVERSION SYSTEMS IS REALIZED WHEN OPERATING ON FEEDSTOCKS CONTAINING SUBSTANTIAL AMOUNTS OF ORGANONITROGEN AND/OR AROMATIC COMPOUNDS.
Abstract:
HYDROCARBON CONVERSION PROCESSES INCLUDING HYDROCRACKING, DENITROGENATION AND HYDROGENATION OF IMPROVED ACTIVITY ARE OBTAINED BY THE USE OF CATALYSTS PREPARED BY ACTIVATING FORAMINOUS REFRACTORY OXIDES COMBINED WITH AT LEAST ONE THERMALLY DECOMPOSABLE AND/OR OXIDIZABLE COMPOUND OF A CATALYTICALLY ACTIVE METAL UPON CALCINATION WHILE CONTACTING THE COMPOSITE WITH AN ACCELERATED FLOW OF AN OXIDIZING GAS AT A RATE OF AT LEAST ABOUT 2 S.C.F.M. PER POUND OF SAID COMPOSITE. FURTHER ADVANTAGE IS REALIZED BY HEATING THE COMPOSITE TO THE PRESCRIBED CALCINATION TEMPERATURE AT A CONTROLLED GRADUAL RATE. IT IS ALSO GENERALLY DESIRABLE TO ASSURE THAT THE INLET TEMPERATURE OF THE OXIDIZING GAS PRIOR TO CONTACT WITH THE COMPOSITE IS LESS THAN ABOUT 500*F.
Abstract:
Hydrocarbons having at least one point of carbon-to-carbon unsaturation are reacted with hydrogen under hydrogenation conditions including a catalytic combination of at least one molybdenum compound and at least one Group VIII metal or metal compound prepared by impregnating a foraminous refractory oxide support with a highly stable solution of the metal compounds and an acid of phosphorus wherein the impregnating solution has a P/MoO3 weight ratio of about 0.1 to about 0.25 and an initial pH of about 1 to about 2. Even greater advantage relative to previously available hydrogenation systems is realized when operating on feedstocks containing substantial amounts of organonitrogen compounds.
Abstract:
HYDROCARBON CONVERSION CATALYSTS HAVING MARKEDLY IMPROVED CHARACTERISTICS ARE PREPARED FROM INTIMATE ADMIXTURES OF FORAMINOUS ALUMINA-CONTAINING REFRACTORY OXIDES AND ION EXCHANGEABLE CRYSTALLINE ALUMINOSILICATE ZEOLITES BY IMPREGNATION WITH A STRONG ACIDIC SOLUTION CONTAINING GROUP VIII AND GROUP VI METAL COMPOUNDS AND AN ACID OF PHOSPHORUS AT A PH BELOW 3, TO SUBSTANTIALLY DESTROY THE ZEOLITE CRYSTALLINITY.