Abstract: A process for hydrocracking heavy oil which comprises hydrocracking the heavy oil in the presence of a catalyst comprising a support of 10 to 90% by weight of an iron-containing aluminosilicate and 90 to 10% by weight of an inorganic oxide, and at least one metal belonging to Group VIB of the Periodic Table and at least one metal belonging to Group VIII deposited on the support. The iron-containing aluminosilicate has a composition of the formula expressed as oxides: aFe.sub.2 O.sub.3 .multidot.Al.sub.2 O.sub.3 .multidot.bSiO.sub.2 .multidot.nH.sub.2 O wherein n is a real number of 0 to 30, and a and b are real numbers satisfying the following relationships: 15<b<100, 0.005<a/b<0.15; and has an inert iron compound content, (Fe).sub.dep, as calculated by a temperature programmed reduction, of not more than 35% of the total iron content; and when subject to a temperature programmed reduction, Th (.degree.C.), is within the following equation: 850.degree. C..ltoreq.Th.ltoreq.(-300.times.UD+8,300).

Abstract: A process is provided for effecting catalytic conversion of an organic compound-containing feedstock to conversion product which comprises contacting said feedstock under catalytic conversion conditions with a catalyst comprising an active form of a functionalized inorganic, porous, non-layered crystalline phase having uniformly sized pores of at least about 13, e.g., at least about 15, Angstrom Units in diameter.

Abstract: In a hydrotreating process, a hydrocarbon feedstock having a boiling of at least about 460.degree. F. is contacted with a catalyst having at least one member selected from the group consisting of a carbide of a Group VIB metal and a nitride of a Group VIB metal under hydrotreating conditions.

Abstract: A process is provided for effecting catalytic conversion of an organic compound-containing feedstock to conversion product which comprises contacting said feedstock under catalytic conversion conditions with a catalyst comprising an active form of an inorganic, porous crystalline phase exhibiting, after calcination, a hexagonal arrangement of uniformly-sized pores having diameters of at least about 13, e.g., at least about 15, Angstrom Units and exhibiting a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 Angstrom Units.

Abstract: A process for the preparation of a base oil and middle distillate which is stable to oxidation and low temperature from a mineral oil fraction having a boiling range above 350.degree. C., by, in a first step, converting the mineral oil fraction on a hydrocracking catalyst under hydrocracking conditions to an extent of from 20 to 80% by weight into fractions which boil below 360.degree. C., separating the reactor effluent, if necessary, into liquid and gas phases in a high-pressure separator, treating the entire reactor effluent or only the liquid phase, directly or after removal of the fractions boiling below 360.degree. C. by distillation, in a second step with hydrogen at from 200.degree. to 450.degree. C.

Abstract: Disclosed is a catalytic process for hydroconverting heavy hydrocarbonaceous feedstocks to lower boiling products wherein a catalyst precursor concentrate or catalyst concentrate is first prepared in a heavy oil medium then fed to a hydroconversion zone which may also contain a supported hydrotreating catalyst. The hydroconversion zone may be operated in either slurry or ebullating bed mode.

Abstract: A zeolite, designated zeolite NU-86, having a molar composition expressed by the formula 100 XO.sub.2 : equal to or less than 10 Y.sub.2 O.sub.3 : equal to less than 20 R.sub.2/n O where R is one or more cations of valency n, X is silicon and/or germanium, Y is one or more of aluminum, iron, gallium, boron, titanium, vanadium, zirconium, molybdenum, arsenic, antimony, chromium and manganese and having an X-ray diffraction pattern including the lines shown in Table 1 is prepared from a reaction mixture comprising XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and a polymethylene alpha, omega-diammonium cation. This zeolite is a useful catalyst for a variety of reactions.

Abstract: The pour point and/or cloud point of the lube fractions comprising a waxy hydrocarbon feedstock containing straight and branched chain paraffins is reduced by contacting the feedstock in a dewaxing zone, preferably in the presence of added hydrogen, with a dewaxing catalyst comprising (1) an intermediate pore crystalline molecular sieve having a pore size between about 5.0 Angstroms and about 7.0 Angstroms and (2) a large pore crystalline molecular sieve having a pore size above about 7.0 Angstroms and typically selected from the group consisting of silicoaluminophosphates, ferrosilicates, aluminophosphates and Y zeolites. A hydrocarbon fraction of reduced paraffin content is recovered from the effluent of the dewaxing zone. Preferred intermediate pore crystalline molecular sieves are silicalite and a ZSM-5 type zeolite. Preferred large pore crystalline molecular sieves are silicoaluminophosphates such as SAPO-5 and ammonium exchanged and steamed Y zeolites.

Abstract: A midbarrel hydrocracking catalyst for use in producing middle distillate products from hydrocarbon feedstocks via hydrocracking comprises at least one hydrogenation component, preferably one containing a metal selected from Group VIB and/or Group VIII of the Periodic Table of Elements, a layered magnesium silicate such as sepiolite, an intercalated clay such as pillared clay, and, optionally, a crystalline molecular sieve, preferably a zeolitic molecular sieve such as the modified Y zeolite known as LZ-10 zeolite.

Abstract: A crystalline, galliosilicate molecular sieve having the mordenite structure and the following composition expressed in terms of oxide mole ratios in the anhydrous state:Ga.sub.2 O.sub.3 :xSiO.sub.2 :yM.sub.2 O:tQ.sub.2 Owhere M is an alkali metal, preferably sodium, Q is a quaternary ammonium cation, preferably a benzyltriethylammonium cation, x equals 5.0 to 30, y equals 0.1 to 0.99, preferably 0.40 to 0.90, t equals 0.01 to 0.9, preferably 0.1 to 0.6 and yet equals about 1.0. The crystalline, galliosilicate molecular sieve of the invention may be employed, after reducing its alkali metal content and decomposing Q, as a component of a catalyst which can be used in a variety of chemical conversion processes.

Abstract: A process for hydrocracking 343.degree. C..sup.+ feedstock is disclosed. The process employs a catalyst which comprises a layered silicate, such as magadiite or kenyaite, which contains interspathic polymeric silica. The catalyst also contains at least one base metal, i.e., Cr, Mo, W, Fe, Co, and Ni.

Abstract: There is provided a process for hydroisomerizing petroleum or synthetic paraffin wax with a particular catalyst. The catalyst comprises a hydrogenating component and a layered titanate containing an interspathic polymeric oxide such as silica. The hydrogenating component may be a Group VIII metal such as Pt.

Abstract: This invention relates to use of a new improved form of crystalline silicate identified as zeolite ZSM-11 as a catalyst component for organic compound, e.g. hydrocarbon compound, conversion.

Abstract: For a heavy hydrocarbonaceous feed, especially good hydrodemetalation and hydrodesulfurization are achieved, as well as MCR reduction, using a catalyst having 5 to 11 percent of its pore volume in the form of macropores, and a surface area greater than 75 m.sup.2 /g. Preferably the catalyst has a peak mesopore diameter greater than 165 .ANG., as determined by mercury porosimetry, and an average mesopore diameter greater than 160 .ANG..

Abstract: A catalytic hydrocracking process for use in refining various petroleum based feedstocks to lighter hydrocarbons. The hydrocracking process for treatment of petroleum fractions utilizes a catalyst comprising (a) a layered metal oxide of the titanometallate type intercalated with an interspathic polymeric chalcogenide, e.g., polymeric silica, (b) a transition hydrogenation metal selected from Group IVA, VIA, and VIIIA of the Periodic Table such as platinum and the like, and optionally, (c) a conventional cracking component, e.g., a large pore crystalline silicate component.

Abstract: There is provided an additive for the hydroconversion of a heavy hydrocarbon oil, which is obtained by suspending a fine powder of a carbonaceous substance and a solution of a heteropolymolybdic acid and/or transition metal salts thereof in a hydrocarbon oil. By the use of the additive of the present invention, the hydroconversion of a heavy hydrocarbon oil can be effectively performed at high conversion without occurrence of coking.

Abstract: Delaminated clays whose X-ray diffraction patterns do not contain a distinct first order reflection are prepared from synthetic and natural swelling clays whose particles have a length-to-width ratio greater than about 2.0, a length-to-thickness ratio greater than about 5.0 and are comprised of randomly oriented platelets by reacting the clay with a pillaring agent selected from the group consisting of polyoxymetal cations, mixtures of polyoxymetal cations, colloidal particles comprising alumina, silica, titania, chromia, tin oxide, antimony oxide or mixtures thereof, and cationic metal clusters comprising nickel, molybdenum, cobalt or tungsten and then subjecting the resulting reaction products to drying in a gaseous medium, preferably spray drying. The resulting acidic delaminated clays, which contain the microporosity associated with zeolites and pollared clays and the macroporosity associated with amorphous aluminosilicates, may be used as the active component of cracking and hydroprocessing catalysts.

Abstract: Catalytic cracking processes utilizing selected specific silicoaluminophosphate molecular sieves of U.S. Pat. No. 4,440,871. Processes using such catalysts provide product mixtures different from those obtained by use of catalysts based on zeolitic aluminosilicates. In preferred embodiments, SAPO-37 is utilized.

Abstract: Catalytic dewaxing of wax containing hydrocarbon feedstocks is undertaken in the presence of a catalyst composition comprising a dehydrogenation metal in combination with a non-acidic microporous crystalline material to maximize liquid yield.

Abstract: A proces for hydrocracking 343.degree. C..sup.+ feedstock which contains polycyclic aromatics to form a lube base stock having enhanced oxidation stability and viscosity index is disclosed. The process employs a catalyst which comprises a layered silicate, such as magadiite which contains interspathic polymeric silica and interspathic polymeric oxides of one or more elements selected from the group consisting of Al, B, Cr, Ga, In, Mo, Nb, Ni, Ti, Tl, W and Zr, preferably Al. The catalyst may also contain a hydrogenation component, e.g., palladium.

Abstract: The process of the invention relates to the production of dehazed white oil possessing long-term low temperature storage stability. The white oil is dehazed with a dehazing catalyst comprising a Group VIII metal incorporated with a shape-selective molecular sieve selected from the Group consisting of a ZSM-5 type zeolite and a crystalline borosilicate molecular sieve.

Abstract: Waxy shale oil feeds containing organonitrogen and/or organosulfur components are contacted with a catalyst comprising a Group VIB metal component on a support containing silicalite and a porous refractory oxide under conditions of elevated temperature and pressure and in the presence of hydrogen so as to simultaneously reduce its pour point and its organosulfur and/or organonitrogen content.

Abstract: A novel siliceous crystalline composition of matter further comprising one or more metals is prepared by admixing a basic silica salt and a dissolved metal salt in the presence of a quarternary ammonium ion and subsequently heating under pressurized conditions. This novel composition of matter is useful as a catalyst for oxidation, alkylation, disproportionation, synthesis gas conversion, hydrocracking, and hydrodewaxing.

Abstract: The present invention provides for a process for reducing the pour point of a hydrocarbon feedstock containing nitrogen- and sulfur-containing impurities. The hydrocarbon feedstock is contacted with hydrogen and a hydrotreating catalyst under hydrotreating conditions whereby a portion of the nitrogen- and sulfur-containing compounds are converted to hydrogen sulfide and ammonia. A portion of the hydrotreater effluent is then passed to a dewaxing zone and contacted with hydrogen under dewaxing conditions in the presence of a borosilicate-containing dewaxing catalyst.

Abstract: A process for producing a high octane gasoline from a hydrocarbon feedstock in which the feedstock is contacted in the presence of hydrogen under hydrocracking conditions, preferably ammonia-rich hydrocracking conditions, with a hydrocracking catalyst comprising at least one hydrogenation metal component in combination with a crystalline, silicoaluminophosphate molecular sieve having pores defined by 12-membered rings of oxygen atoms. The preferred silicoaluminophosphate molecular sieve is SAPO-5 molecular sieve and the catalyst preferably contains both a Group VIB metal hydrogenation component, such as molybdenum or tungsten, and a Group VIII hydrogenation metal component, such as nickel or cobalt. It has been found that such a process produces gasoline boiling fractions having substantially increased research and motor octane numbers.

Abstract: Dewaxing processes for hydrocarbon feedstocks are disclosed using novel catalysts comprising titanoaluminosilicates. The products of the instant dewaxing processes are characterized by lower pour points than the hydrocarbon feedstock.

Abstract: Mild hydrocracking is accomplished with a catalyst containing an intermediate pore molecular sieve, such as silicalite or a ZSM-5 type zeolite.

Abstract: A waxy hydrocarbon feedstock is converted into a high quality lube oil stock of reduced pour point by hydrodewaxing the feedstock in the presence of molecular hydrogen and a hydrodewaxing catalyst under conditions such that the pour point of the feedstock is reduced by selectively converting waxy paraffins into lower molecular weight hydrocarbons. At least a portion of the effluent from the hydrodewaxing zone is then passed to a hydrocracking zone where it is contacted with a hydrocracking catalyst under conditions such that a further reduction in pour point is effected and the overall conversion of components boiling above about 650.degree. F. to components boiling at or below about 650.degree. F. in the hydrodewaxing and hydrocracking steps combined is no more than about 20 percent by volume, preferably no more than about 10 percent by volume.

Abstract: The invention disclosed herein is a method of treating middle distillate hydrocarbons to selectively convert tricyclic hydrocarbons to hydrocarbons of better cetane value by means of hydrogenation and cracking. The process is performed in the presence of an intercalated clay catalyst having high temperature stable pillars intermediate layers of the clay. This process achieves a diesel fuel having a higher cetane value than is currently obtainable utilizing molecular sieve catalysts such as a metal impregnated Y zeolite. The tricyclic aromatics are selectively hydrogenated and cracked in preference to accompanying paraffins, isoparaffins, tetralins and decalins.

Abstract: A method for cracking a heavy fraction oil is provided in which is solved a problem as to an increase in pressure loss due to coking in a cracking tower during the treatment of heavy fraction oils containing at least 1.0 wt. % of asphaltene. The cracking tower is vertically divided into at least two portions with a partition for housing a solid catalyst having a hydrogenation function, and the divided portions are communicated with each other at the upper and lower parts of the tower. A starting heavy fraction oil, a hydrogen donative solvent, and a hydrogen-containing gas are introduced into at least one of the divided portions at the lower part thereof, and further the fluid is circulated between the divided portions. Another method for cracking heavy fraction oils is provided in which a heavy hydrocarbon oil containing at least 1.0 wt.

Abstract: A two-step process is disclosed wherein C.sub.9.sup.+ hydrocarbons are prepared from C.sub.4.sup.- hydrocarbons by steam reforming followed by Fischer-Tropsch synthesis over a special cobalt-containing catalyst. Yields of C.sub.9.sup.+ hydrocarbons are increased by recycling a gaseous fraction comprising unconverted H.sub.2 and CO as well as C.sub.8.sup.- hydrocarbon by-products and steam to the steam reformer.

Abstract: Substitution of aluminum or gallium for boron or iron contained in the framework of a high silica content zeolite is effected by treating the zeolite in liquid water in the presence of a compound of aluminum or gallium. Catalyst comprising the treated zeolite is used for conducting acid-catalyzed reactions of organic compounds, e.g. cracking of hydrocarbon compounds.

Abstract: A method for reducing the nitrogen content of shale oil is disclosed. The method comprises selectively extracting nitrogen-containing compounds to form a nitrogen-lean raffinate and a nitrogen-rich extract. The nitrogen-lean raffinate is distilled to form a distillate having a further reduced nitrogen content and a bottoms having a further increased nitrogen content. The bottoms is hydrotreated to remove nitrogen-containing compounds. Extracted shale oil compounds may be combined with the bottoms prior to the hydrotreatment or may be used to generate hydrogen gas for the hydrotreatment. Arsenic-containing compounds are removed from the distillate by extraction.

Abstract: An improved hydroconversion process for carbonaceous materials wherein an ammonium or hydrocarbyl substituted ammonium salt of a metal-sulfur analog of cubane having an anion with a core structure of M.sub.4 S.sub.4 is used as a catalyst precursor. In the general formula, M may be the same or a different metal having hydrogenation catalytic activity when used as a sulfide and capable of occupying one or more vertices in a cubane structure. The metal may also have the capability of bridging one or more such structures. The improved process is effective for both normally solid and normally liquid carbonaceous materials and for carbonaceous materials which are either solid or liquid at the conversion conditions. The hydroconversion will be accomplished at a temperature within the range from about 500.degree. to about 900.degree. F., at a total pressure within the range from about 500 to about 7000 psig and at a hydrogen partial pressure within the range from about 400 to about 5000 psig.

Abstract: Middle distillates are prepared from syngas by a two-stage series-flow process comprising (1) Fischer-Tropsch synthesis over a special Zr, Ti or Cr promoted Co-catalyst followed by (2) hydroconversion of the total synthesized product over a supported noble metal catalyst.

Abstract: Syngas is subjected to Fischer-Tropsch synthesis over a Co/Zr/SiO.sub.2 catalyst and the C.sub.20.sup.+ fraction of the synthesized product is converted into linear C.sub.10 -C.sub.20 olefins by mild thermal cracking.

Abstract: C.sub.5.sup.+ hydrocarbons are prepared from C.sub.4.sup.- hydrocarbons by a two-stage process comprising steam reforming followed by Fischer-Tropsch synthesis over a special cobalt-containing catalyst; a gaseous fraction comprising unconverted H.sub.2 and CO as well as C.sub.4.sup.- hydrocarbons and CO.sub.2 formed as by-products is separated from the synthesized product and recycled to the steam reformer.

Abstract: A process of preparing a highly dispersed (colloidal or submicron size) heterogeneous catalyst for the hydrothermal conversion of heavy oils and residua is described. The process comprises preparing a reverse micellar dispersion by mixing water, an organic solvent, and an ionic or neutral surfactant to which is added an aqueous solution of a metal salt. The metal salt is reduced to a colloidal dispersion of the catalyst in a mixed water-organic liquid phase. The colloidal catalyst is then blended into resid or heavy oil fractions, and the blend is treated under hydrothermal conditions.

Abstract: A treated decomposable compound of molybdenum, which has been prepared by the catalytic hydrogenation of a decomposable compound of molybdenum, wherein the molybdenum has a valence state greater than zero, or by the treating of the decomposable compound of molybdenum with a reducing agent, is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream containing such treated decomposable compound of molybdenum is then contacted with a catalyst composition comprising a support selected from the group consisting of alumina, silica and silica alumina and a promoter comprising at least one metal selected from the group consisting of Group VIB, Group VIIB, and Group VIII of the Periodic Table to reduce the concentration of metals, sulfur, nitrogen, Ramsbottom carbon residue and/or heavies contained in the hydrocarbon-containing feed stream.

Abstract: At least one decomposable compound selected from the group consisting of dimanganese decacarbonyl and chromium hexacarbonyl is mixed with a hydrocarbon-containing feed stream. The hydrocarbon containing feed stream containing such decomposable compound is then contacted in a hydrofining process with a catalyst composition comprising a support selected from the group consisting of alumina, silica and silica-alumina and a promoter comprising at least one metal selected from Group VIB, Group VIIB and Group VIII of the Periodic Table. The introduction of the decomposable compound may be commenced when the catalyst is new, partially deactivated or spent with a beneficial result occurring in each case.

Abstract: The present invention provides for an improved process for catalytically dewaxing and thereby reducing the pour point of a hydrocarbon feedstock by contacting the feedstock and hydrogen with a catalyst. Specifically, the catalytic dewaxing process involves contacting the hydrocarbon feed with hydrogen under catalytic dewaxing conditions in the presence of a catalytic composition comprising a crystalline borosilicate molecular sieve and at least one Group VIII noble metal hydrogenation component.

Abstract: At least one decomposable molybdenum dithiophosphate compound is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream containing such decomposable molybdenum dithiophosphate compound is then contacted in a hydrofining process with a catalyst composition comprising a support selected from the group consisting of alumina, silica and silica-alumina and a promoter comprising at least one metal selected from Group VIB, Group VIIB and Group VIII of the Periodic Table. The introduction of the decomposable molybdenum dithiophosphate compound may be commenced when the catalyst is new, partially deactivated or spent with a beneficial result occuring in each case.

Abstract: The present invention provides for an improved process for catalytically dewaxing and thereby reducing the pour point of hydrocarbon feedstock by contacting the feedstock and hydrogen with a catalyst. Specifically, the catalytic dewaxing process of the present invention involves contacting the hydrocarbon feed with hydrogen under catalytic dewaxing conditions in the presence of a catalytic composition comprising a crystalline borosilicate molecular sieve and a hydrogenation component consisting essentially of nickel.

Abstract: A process for hydrocracking hydrocarbons for residuum conversion in the presence of a fluidized catalyst, which is characterized by extracting at least part of the fluidized catalyst from the reaction system as a spent catalyst, subjecting at least part of the spent catalyst to hydrotreatment for solubilizing toluene-insoluble carbonaceous materials deposited on the catalyst thereby regenerating the spent catalyst, and recycling the regenerated catalyst to the hydrocracking step. According to this process, the spent catalyst is recycled to the hydrocracking step in a highly activated state after the regenerative hydrotreatment, so that it becomes possible to suppress the coke production within the reactor to a considerable degree, to maintain the coke level of the catalyst below a predetermined value and to preclude the contamination of the reactor walls with coke.

Abstract: A process is provided for the hydrocracking of a hydrocarbon charge stock which comprises reacting the charge stock with hydrogen at hydrocracking conversion conditions in contact with a catalytic composite comprising a combination of a Group VIB metal component, Group VIII metal component, and a fluorine component present in an amount ranging from 1 to 3 wt. %, on an elemental basis, based on the composite, with a silica-thoria carrier material wherein the carrier is cogelled silica-thoria consisting of from about 25% to about 99% by weight silica and from 1% to about 75% by weight thoria.A hydrocracking catalyst is also provided which comprises a combination of a nickel component, a tungsten component, and a fluorine component with a silica-thoria carrier material. The nickel, tungsten, and fluorine components are present in amounts sufficient to result in the composite containing, on an elemental basis, about 0.5 to about 2 wt. % of the nickel component, about 0.5 to about 14 wt.

Abstract: There is disclosed a catalyst, which catalyst comprises a hydrogenation component comprising chromium, molybdenum, and at least one metal of Group VIII, a crystalline molecular sieve zeolite, and a porous refractory inorganic oxide. Suitable molecular sieve zeolites are those having pore diameters of at least 5 .ANG. (0.5 nm) and containing exchangeable cations, for example, faujasite crystalline aluminosilicates, mordenite crystalline aluminosilicates, ZSM crystalline aluminosilicates, and AMS crystalline metallosilicates.There are also disclosed processes for the hydrodenitrogenation and hydrocracking of a hydrocarbon stream containing a substantial amount of nitrogen compounds, which processes comprise contacting said stream under suitable conditions and in the presence of hydrogen with the aforesaid catalyst.

Abstract: A process is provided for the hydrocracking of a hydrocarbon charge stock which comprises reacting the charge stock with hydrogen at hydrocracking conversion conditions in contact with a catalytic composite comprising a combination of a Group VIB metal component, Group VIII metal component, and a fluorine component present in an amount ranging from 1 to 3 wt. %, on an elemental basis, based on the composite, with a silica-thoria carrier material wherein the carrier is cogelled silica-thoria consisting of from about 25% to about 99% by weight silica and from 1% to about 75% by weight thoria.A hydrocracking catalyst is also provided which comprises a combination of a nickel component, a tungsten component, and a fluorine component with a silica-thoria carrier material. The nickel, tungsten, and fluorine components are present in amounts sufficient to result in the composite containing, on an elemental basis, about 0.5 to about 2 wt. % of the nickel component, about 0.5 to about 14 wt.

Abstract: A process for hydroprocessing a hydrocarbonaceous feedstock containing constituents boiling above 350.degree. C. comprises contacting said feedstock with hydrogen under hydroprocessing conditions with a catalyst composition comprising a rigidly interconnected pack containing inorganic matrix oxide and about 10-95% fluid catalytic cracking catalyst microspheroids, based upon the total weight of said matrix oxide and said microspheroids, said pack characterized by a pore volume of at least 0.15 cc. per cc., at least about 30% of said pore volume present as pores having diameters within the range of 50-250 Angstroms and at least about 5% of said pore volume present as pores having diameters greater than 1,000 Angstroms.

Abstract: Process for catalytic dewaxing-hydrotreating of hydrocarbon feed materials comprising contacting the feed with hydrogen under catalytic dewaxing-hydrotreating conditions in the presence of a catalyst comprising a shape selective zeolitic cracking component and a hydrogenating component of improved thermal stability comprising a chromium component, at least one other Group VIB metal component and at least one Group VIII metal component. According to a specific aspect of the invention, the catalytic dewaxing-hydrotreating process is employed to convert hydrocarbon feeds of either high or low quality to lube oil base stocks of high viscosity index, low pour point and good stability in a single step.

Abstract: Improved lubricating oils are produced from waxy oils and the like by catalytically hydrodewaxing in the presence of added ammonia. Less hydrogen is consumed in the process, even at relatively high operating temperatures, and the resultant product is of increased viscosity index.