Abstract: This invention relates to ethylene oxide catalyst for the vapor phase production of ethylene oxide from ethylene and oxygen prepared by impregnating a porous, refractory support having a surface area ranging from about 0.05 to about 10 m.sup.2 /g with a solubilized catalytically effective amount of silver, a solubilized promoting amount of alkali metal, a solubilized promoting amount of rhenium, and a solubilized promoting amount of hafnium metal, wherein the Group IVB metal is provided in the form of Group IVB oxycation-containing salts. The catalyst provide substantial initial activity improvement as well as long term selectivity and activity stability improvement over prior art rhenium promoted catalyst, without any loss of initial selectivity advantage.

Abstract: This invention relates to ethylene oxide catalyst for the vapor phase production of ethylene oxide from ethylene and oxygen prepared by impregnating a porous, refractory support having a surface area ranging from about 0.05 to about 10 m.sup.2 /g with a solubilized catalytically effective amount of silver, a solubilized promoting amount of alkali metal, a solubilized promoting amount of rhenium, and a solubilized promoting amount of hafnium metal, wherein the Group IVB metal is provided in the form of Group IVB oxycation-containing salts. The catalyst provide substantial initial activity improvement as well as long term selectivity and activity stability improvement over prior art rhenium promoted catalyst, without any loss of initial selectivity advantage.

Abstract: This invention relates to ethylene oxide catalyst for the vapor phase production of ethylene oxide from ethylene and oxygen prepared by impregnating a porous, refractory support having a surface area ranging from about 0.05 to about 10 m.sup.2 /g with a solubilized catalytically effective amount of silver, a solubilized promoting amount of alkali metal, a solubilized promoting amount of rhenium, and a solubilized promoting amount of hafnium metal, wherein the Group IVB metal is provided in the form of Group IVB oxo salts. The catalyst provide substantial initial activity improvement as well as long term selectivity and activity stability improvement over prior art rhenium promoted catalyst, without any loss of initial selectivity advantage.

Abstract: This invention relates to a process for increasing the octane of a refinery gasoline pool by segregating components of a feed stream to increase the value of select components by isomerization and to prevent isomerization of other components already having a high octane value. The preferred feed stream of this process comprises di-branched paraffins, mono-methyl-branched paraffins and normal paraffins. Two or more different separatory sieves are used prior to isomerization. A first separatory shape-selective molecular sieve has a pore size of 4.5.times.4.5A or smaller to adsorb normal paraffins. A second separatory shape-selective molecular sieve has a pore size of 5.5.times.5.5 to 4.5.times.4.5A but excluding 4.5.times.4.5A. These sieves may be situated in a series flow arrangement. Normal paraffins are adsorbed by the first sieve. Mono-methyl-branched paraffins are adsorbed by the second sieve.

Abstract: A process for the removal of basic heterocyclic nitrogen compounds from petroleum oils which comprises:(a) contacting said petroleum oils containing basic heterocyclic nitrogen compounds with an aqueous solution of a first solvent comprising concentrated acid at extraction conditions in a first extract zone,(b) separating the product of step (a) into a raffinate product stream comprising hydrocarbons having a lean content of basic heterocyclic nitrogen compounds and residual acid levels, and a first extract phase comprising hydrocarbons, water and acid having a substantial content of basic heterocyclic nitrogen compounds,(c) flashing said first extract phase to remove bulk first solvent.

Abstract: A process for the removal of basic heterocyclic nitrogen compounds from petroleum oils which comprises:(a) contacting said petroleum oils containing basic heterocyclic nitrogen compounds with an aqueous solution of an acidic solvent at extraction conditions in a first contacting zone,(b) separating the product of step (a) into a raffinate product stream comprising hydrocarbons having a lean content of basic heterocyclic nitrogen compounds and residual acid levels, and a first extract phase comprising hydrocarbons, water and acid having a substantial content of basic heterocyclic nitrogen compounds,(c) contacting said first extract phase with a hydrocarbon solvent which is substantially immiscible with said first extract phase at extraction conditions in a second contacting zone, and(e) separating the product of step (c) into a hydrocarbon recovery stream comprising the immiscible hydrocarbon solvent and oil-derived hydrocarbons having a lean content of basic heterocyclic nitrogen compounds and a second extrac

Abstract: This invention concerns a time-effective method of manufacture for a sodium ferrierite precursor of a hydrogen ferrierite catalytic composition of matter by crystallizing an aqueous mixture of sodium hydroxide, an aluminum compound, a silicon compound and a nitrogen-containing compound, which mixture possesses 1.60 to 3.40 moles of sodium oxide and 0.70 to 1.60 moles of aluminum oxide per 25 moles of silicon oxide. The ultimate use of the resultant catalyst is for removing wax from a lubricating oil (preferably a light lubricating oil) with or without the metals of Group VIII and/or Group VIB used in association with the catalyst.

Abstract: This invention relates to a process for increasing the octane of a refinery gasoline pool by segregating components which are increased in value by isomerization from those which are diminished in octane value by isomerization. The preferred feed stream of this process comprises di-branched paraffins, mono-methyl-branched paraffins and normal paraffins from which mono-methyl-branched and normal paraffins are selectively captured by a shape-selective molecular sieve. The preferred separatory shape-selective molecular sieve has a pore size of 5.5.times.5.5 to 4.5.times.4.5A but excluding 4.5.times.4.5A. Mono-methyl-branched paraffins and normal paraffins are removed from the shape-selective molecular sieve and isomerized in an isomerization zone to form di-methyl branched paraffins. An isomerization zone effluent stream is produced comprising unisomerized normal paraffins, mono-methyl-branched paraffins and di-branched paraffins.

Abstract: This invention relates to a process for the production of an isomerate gasoline blending component where the octane value of the isomerate is increased relative to prior art processes utilizing single separatory sieves. After respective isomerization of feed streams comprising C.sub.6 or C.sub.6.sup.+ normal paraffins, a multiple separatory sieve is located to selectively adsorb unreacted normal paraffins and mono-methyl-branched paraffins from an isomerate product stream. The preferred first separatory sieve is exemplified by a calcium 5A sieve which can adsorb normal paraffins while allowing mono-methyl-branched paraffins and more higly branched paraffin to pass to a second separatory sieve. The second sieve comprises a shape-selective zeolite having a pore size intermediate 5.5.times.5.5 and 4.5.times.4.

Abstract: A method of preparation of a combined ZSM-5 and ferrierite aluminosilicate is disclosed utilizing a crystallization admixture comprising sodium silicate, a compound of aluminum, sodium oxide, water and a combination of amines comprising piperidine and an aliphatic amine selected from the group of n-butylamine and tetrapropylammonium hydroxide. The latter chosen amine is directive for a ZSM-5 aluminosilicate while the former is directive for a ferrierite aluminosilicate. Examination by Scanning Electron Microscope (SEM) demonstrates a different catalyst morphology than a catalyst synthesized using silica gel and pyridine. The resultant catalyst is useful in the dewaxing of lubricating oils, especially those oils not necessarily treatable by a unitary ferrierite or a unitary ZSM-5 catalyst.

Abstract: This invention concerns a time-effective method of manufacture for a sodium ferrierite precursor of a hydrogen ferrierite catalytic composition of matter by crystallizing an aqueous admixture of sodium hydroxide, an aluminum compound, a silicon compound and a nitrogen-containing compound, which mixture possesses 1.60 to 3.40 moles of sodium oxide and 0.70 to 1.60 moles of aluminum oxide per 25 moles of silicon oxide. The ultimate use of the resultant catalyst is for excising wax from a lubricating oil (preferably a light lubricating oil) with or without the presence of metals of Group VIII and Group VIB on the catalyst.

Abstract: This invention relates to a process for the production of an isomerate gasoline blending component where the octane value of the isomerate is increased relative to the overall cost of the process. After isomerization, the separatory sieve of this invention selectively adsorbs unreacted normal paraffins and mono-methyl-branched paraffins but not di-methyl-branched paraffins. The preferred separatory sieve is ferrierite. This process is an improvement over prior Total Isomerization Processes (using a calcium-5A separatory sieve) to recycle only n-paraffins to the isomerization zone.