Abstract: A catalyst for ultra-deep desulfurization of diesel via oxidative distillation is an amphiphilic oxidative catalyst, which is expressed as Qm[XMnOq], wherein 1?m?12; 9?n?18; 34?q?62; Q is a quaternary ammonium cation; X is P, Si, As or B; and M is Mo) or W. A desulfurization method comprises a) mixing well a diesel, the amphiphilic catalyst, and hydrogen peroxide, reacting for 10-300 minutes at ambient temperature and normal pressure, transforming the sulfur-containing compounds in the diesel into sulfone to obtain an oxidized diesel; b) distilling the oxidized diesel obtained in step a) under reduced pressure to obtain the ultra-low sulfur diesel having a sulfur content of less than 10 ppm; and c) separating and recovering the catalyst and sulfone.

Abstract: The present invention relates to a process for desulfurizing heavy oil feedstreams with alkali metal compounds and improving the compatibility of the to stream components in either the feed stream, an intermediate product stream, and/or the reaction product stream in the desulfurization process. The present invention utilizes a high stability aromatic-containing stream that is preferably added to the heavy oil prior to reaction with the alkali metal compounds. The resulting stream resists precipitation of reaction solids in the desulfurization reactors. Even more preferably, the desulfurization system employs at least two desulfurization reactors in series flow wherein the high stability aromatic-containing stream is contacted with the reaction product from the first reactor prior to the second reactor, wherein the first reactor can be operated at a higher severity than without the use of the high stability aromatic-containing component stream.

Abstract: A method for efficient use of hydrogen in aromatics production from heavy aromatic oil. A hydrocarbonaceous stream comprising C9+ hydrocarbons and an essentially pure hydrogen stream are hydrotreated and hydrocracked to produce a hydrocracking zone effluent comprising aromatics. The hydrocracking zone effluent is fractionated to separately recover C4 and lighter hydrocarbons, hydrocarbons boiling between about 180° F. and about 380° F., and diesel. The heavier hydrocarbons are combined with a low purity hydrogen-containing stream and heated, then dehydrogenated or transalkylated to form hydrogen, volatile compounds, and aromatics. The hydrogen and volatile components are separated from the aromatics and treated by pressure swing adsorption to provide an essentially pure hydrogen-containing stream, which is compressed and provided to the hydrotreating and hydrocracking steps. Liquid products are recovered from the aromatics-containing stream.

Abstract: A method for reducing halide concentration in a hydrocarbon product having an organic halide content which is made by a hydrocarbon conversion process using a halogen-containing acidic ionic liquid catalyst comprising contacting at least a portion of the hydrocarbon product with an aqueous caustic solution under conditions to reduce the halide concentration in the hydrocarbon product is disclosed.

Abstract: The instant invention relates to a process to produce low sulfur diesel products through the hydrodesulfurization of low nitrogen diesel boiling range feedstreams in the presence of solid acidic materials.

Abstract: Process to prepare simultaneously two or more base oil grades and middle distillates from a mineral crude derived feed, in particular a de-asphalted oil or a vacuum distillate feed or their mixtures, by performing the following steps: (a) hydrocracking the mineral crude derived feed, thereby obtaining an effluent; (b) distillation of the effluent as obtained in step (a) into one or more middle distillates and a full range residue boiling substantially above 340° C., (c) catalytically dewaxing the full range residue by contacting the residue with a dewaxing catalyst comprising a zeolite of the MTW type and a Group VIII metal, thereby obtaining a dewaxed oil; (d) isolating by means of distillation two or more base oil grades from the dewaxed oil obtained in step (c); and (e) isolating a dewaxed gas oil from the dewaxed-oil obtained in step (c); wherein the dewaxed oil as obtained in step (c) comprises between 10 and 40 wt % of a dewaxed heavy gas oil boiling for more than 70 wt % between 370 and 400° C.

Abstract: A hydrocracking process for converting a petroleum feedstock to higher gravity, lower sulfur products, especially ultra low sulfur road diesel fuel. The process may be operated as a single-stage or two-stage hydrocracking. In each case, a hydrocracking step is followed directly by a post-treat hydrodesulfurization zone using a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals with a ratio of Group VIB metal to Group VIII non-noble metal is from about 10:1 to about 1:10. In the two-stage option with interstage ammonia removal, the initial hydrocracking step may be followed by hydrodesulfurization using the bulk multimetallic catalyst prior to the ammonia removal which is followed by the second hydrocracking step. A final hydrodesulfurization over the bulk multimetallic catalyst may follow. The hydrodesulfurization over the bulk multimetallic catalyst is carried out at a pressure of at least 25 barg and preferably at least 40 barg.

Abstract: Process to prepare a water-white lubricating base oil having a saturates content of more than 90 wt %, a sulphur content of less than 0.03 wt % and a viscosity index of between 80-120 by subjecting a non-water-white hydrocarbon feed having a lower saturates content than the desired saturates content to a hydrogenation step, the hydrogenation step comprising contacting the feed with hydrogen in the presence of a hydrogenation catalyst, wherein the contacting is performed in two steps: (a) contacting the hydrocarbon feed with hydrogen in the presence of a hydrogenation catalyst at a temperature of above 300° C. and at a WSHV of between 0.3 and 2 kg of oil per litre of catalyst per hour, and (b) contacting the intermediate product obtained in step (a) with hydrogen in the presence of a hydrogenation catalyst at a temperature of below 280° C.

Abstract: A process for the conversion of a feedstock containing light cycle oil and vacuum gas oil to produce naphtha boiling range hydrocarbons and a higher boiling range hydrocarbonaceous stream having a reduced concentration of sulfur.

Abstract: A process and the use of a process for desulphurizing a hydrocarbon feed is described which comprises at least one of the following steps: A a step for selective hydrogenation of diolefins present in said initial hydrocarbon feed, in the presence of a catalyst comprising a metal from group VIII of the periodic table on an inert support based on metal oxides, in the presence of a quantity of hydrogen which is in excess with respect to the stoichiometric value necessary for hydrogenating all of said diolefins, the mole ratio between the hydrogen and the diolefins being in the range 1 to 5; b) Extraction, using an appropriate solvent, of said hydrogenated fraction to obtain at least two cuts including: a raffinate comprising the majority of the olefins, paraffins and naphthenes and a reduced quantity of sulphur-containing compounds contained in the initial feed; a heavy fraction containing the heavy aromatic hydrocarbons and the majority of the sulphur-containing compounds contained in the initial feed; C

Abstract: Liquefied petroleum coke (LPC) comprises diesel engine fuel grade petroleum coke that is produced by subjecting crude oil refinery feedstock to de-salting, coking, micronization, de-ashing, and slurrification processes to reduce impurities such as metallic components and make the LPC suitable for use in internal combustion engines, such as diesel engine systems.

Abstract: The invention relates to a method for removing sulfur from crude oils using a catalytic hydrotreating process operating at moderate temperature and pressure and reduced hydrogen consumption. The process produces sweet crude oil having a sulfur content of between about 0.1 and 1.0 wt % in addition to reduced crude density. The method employs least two reactors in series, wherein the first reactor includes a hydroconversion catalyst and the second reactor includes a desulfurization catalyst.

Abstract: The invention relates to a method of removing contaminants from a hydroprocessing feed stream. More specifically, the invention relates to a method of removing contaminants from a hydroprocessing feed stream which originates in a Fischer-Tropsch reactor using a guard bed that employs a temperature profile.

Abstract: A method for the efficient conversion of heavy oil to distillates using sequential hydrocracking in the presence of both supported and colloidal catalyst immediately followed by a high temperature-short residence time thermal treatment. The hydrocracker reaction products or a heavy oil and hydrogen donor diluent may be advantageously heated by direct contact with high velocity combustion products.

Abstract: A catalyst that includes one or more metals from Column 6 of the Periodic Table and/or one or more compounds of one or more metals from Column 6 of the Periodic Table and a support. The support comprises from 0.01 grams to 0.2 gram of silica and from 0.80 grams to 0.99 grams of alumina per gram of support. The catalyst has a surface area of at least 315 m2/g, a pore size distribution with a median pore diameter of at most 100 ?, and at least 80% of its pore volume in pores having a pore diameter of at most 300 ?. The catalyst exhibits one or more peaks between 35 degrees and 70 degrees, and at least one of the peaks has a base width of at least 10 degrees, as determined by x-ray diffraction at 2-theta. Methods of preparation of such catalyst are described herein. Methods of contacting a hydrocarbon feed with hydrogen in the presence of such catalyst to produce a crude product. Uses of crude products obtained. The crude product composition is also described herein.

Abstract: A process for producing lube oil basestocks involving solvent extracting a waxy feed to produce at least a lube oil boiling range raffinate, hydrotreating the lube oil raffinate to produce a hydrotreated raffinate, and dewaxing the hydrotreated raffinate.

Abstract: A catalytic hydrocracking process for the production of ultra low sulfur diesel wherein a hydrocarbonaceous feedstock is hydrocracked at elevated temperature and pressure to obtain conversion to diesel boiling range hydrocarbons. The resulting hydrocracking zone effluent is hydrogen stripped in a stripping zone maintained at essentially the same pressure as the hydrocracking zone to produce a first gaseous hydrocarbonaceous stream and a first liquid hydrocarbonaceous stream. The first gaseous hydrocarbonaceous stream containing diesel boiling range hydrocarbons is introduced into a desulfurization zone and subsequently partially condensed to produce a hydrogen-rich gaseous stream and a second liquid hydrocarbonaceous stream containing diesel boiling range hydrocarbons. At least a portion of the first liquid stream is thermal cracked to produce diesel boiling range hydrocarbons. An ultra low sulfur diesel product stream is recovered.

Abstract: A reformer system (11) having a hydrodesulfurizer (12) provides desulfurized natural gas feedstock to a catalytic steam reformer (16), the outflow of which is treated by a water gas shift reactor (20) and optionally a preferential CO oxidizer (58) to provide reformate gas (28, 28a) having high hydrogen and moderate carbon dioxide content. To avoid damage to the hydrodesulfurizer from overheating, any deleterious hydrogen reactants, such as the oxygen in peak shave gas or olefins, in the non-desulfurized natural gas feedstock (35) are reacted (38) with hydrogen (28, 28a; 71) to convert them to alkanes (e.g., ethylene and propylene to ethane and propane) and to convert oxygen to water in a catalytic reactor (38) cooled (46), below a temperature which would damage the reactor, by evaporative cooling with pressurized hot water (42). Hydrogen for the desulfurizer and the hydrogen reactions may be provided as recycle reformate (28, 28a) or from a mini-CPO (67), or from other sources.

Abstract: A process for a liquid/liquid reaction employs a nozzle dispersion whereby liquid reactants and liquid catalyst are injected through at least one nozzle into a reaction zone to effect a reaction. The reaction can be alkylation of at least one isoparaffin with at least one olefin in the presence of an ionic liquid catalyst. The at least one nozzle provides intimate contact between the phases for greater product control and reaction control.

Abstract: A method for obtaining a petroleum distillate product is provided, the method including subjecting a paraffin-based wax, such as a Fisher-Tropsch wax, to the process of cracking at a pressure less than, or equal to, about 7 Kg/cm2 in the presence of a first catalyst to obtain an olefinic intermediate, the cracking being carried out in a fluid catalytic cracking apparatus, followed by hydrogenating the olefinic intermediate at a pressure less than, or equal to, about 35 Kg/cm2, in the presence of a second catalyst, and recovering the petroleum distillate product. An apparatus for carrying out the method is also provided.

Abstract: A process to prepare two or more lubricating base oil grades and a gas oil by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tropsch product is at least 0.2 and wherein at least 30 wt % of compounds in the Fischer-Tropsch product have at least 30 carbon atoms; (b) separating the product of step (a) into one or more gas oil fractions and a base oil precursor fraction; (c) performing a pour point reducing step to the base oil precursor fraction obtained in step (b); and (d) separating the effluent of step (c) in two or more base oil grades.

Abstract: Blended lubricant base oils and blended finished lubricants comprising ?70 weight percent Fischer-Tropsch derived lubricant base oils comprising ?6 weight % molecules with monocycloparaffinic functionality and less than 0.05 weight % molecules with aromatic functionality; at least one polyalphaolefin lubricant base oil with a kinematic viscosity at 100° C. greater than about 30 cSt and less than 150 cSt are provided. These blended lubricant base oils and blended finished lubricants exhibit superior friction and wear properties, in addition to other highly desired properties. Also provided are processes for making these blended lubricant base oils and blended finished lubricants.

Abstract: An integrated process for the upgrading of a vacuum gas oil feedstock and a light cycle oil feedstock. The vacuum gas oil feedstock is hydrodesulfurized and the light cycle oil feedstock is hydrocracked.

Abstract: The present invention relates to a process for the conversion of hydrocarbon streams with 95% true boiling point less than 400° C. to very high yield of liquefied petroleum gas in the range of 45-65 wt % of feed and high octane gasoline, the said process comprises catalytic cracking of the hydrocarbons using a solid fluidizable catalyst comprising a medium pore crystalline alumino-silicates with or without Y-zeolite, non crystalline acidic materials or combinations thereof in a fluidized dense bed reactor operating at a temperature range of 400 to 550° C., pressure range of 2 to 20 kg/cm2 (g) and weight hourly space velocity in range of 0.1 to 20 hour?1, wherein the said dense bed reactor is in flow communication to a catalyst stripper and a regenerator for continuous regeneration of the coked catalyst in presence of air and or oxygen containing gases, the catalyst being continuously circulated between the reactor-regenerator system.

Abstract: The present invention relates to the field of hydroprocessing, and more particularly relates to a process directed to fuels hydrocracking and distillate feed hydrofining. This process has at least two stages. A relatively unconverted hydrofined product may be removed prior to the second stage, providing flexibility. In another embodiment, fresh feed may be added prior to the second stage. In both embodiments, fuels production is maintained at a constant level.

Abstract: A process for producing one or more white oils, by: a) hydroisomerization dewaxing a waxy feed with a defined composition over a highly selective and active wax hydroisomerization catalyst with a defined composition under conditions sufficient to produce a white oil; and b) collecting one or more white oils, wherein the yield of white oils is high, and they have a low pour point and a good Saybolt color. Also, a process for producing medicinal grade white oils, by a)hydroisomerization dewaxing a waxy feed with a defined composition over a highly selective and active wax hydroisomerization catalyst with a defined composition under conditions sufficient to produce a white oil, b) collecting technical grade white oils having a low pour point and good Saybolt color in high yield, and c) hydrofinishing the technical grade white oils at conditions sufficient to produce medicinal grade white oils that pass the RCS test.

Abstract: A process for production of very high-quality base oils, and simultaneous production of high-quality middle distillates, comprises the successive stages of hydroisomerization and catalytic dewaxing. The hydroisomerization takes place in the presence of a catalyst containing at least one noble metal deposited on an amorphous acid support, the metal dispersion being less than 20%. The support is preferably an amorphous silica-alumina. The catalytic dewaxing takes place in the presence of a catalyst containing at least one hydrodehydrogenating element (Group VIII) and at least one molecular sieve chosen from ZBM-30, EU-2, and EU-11.

Abstract: A process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade by: (a) performing a separate catalytic dewaxing on a spindle oil fraction, a light machine oil fraction and a medium machine oil fraction as obtained in a vacuum distillation of a bottoms fraction of a fuels hydrocracking process; (b) performing a separate hydrofinishing of the light and medium machine oil fractions obtained in step (a); (c) separating the low boiling compounds from the spindle oil, light machine oil and medium machine oil fractions as obtained in step (a) and (b) and obtaining the spindle oil, light machine oil and medium machine oil base oil grade; (d) wherein the vacuum distillation is performed by altematingly performing the distillation in two modes wherein the first mode (d1) the bottoms fraction is separated into a gas oil fraction, a spindle oil fraction, a medium machine oil fraction and a first rest fraction boiling between said spindle oil and medium machine oil fraction and in the secon

Abstract: A process to prepare a base oil having a saturates content of more than 90 wt %, a sulphur content of less than 0.03 wt %, and, a viscosity index of between 80 and 120 from a solvent refined base oil feedstock, which process comprises: (a) contacting the solvent refined base oil feedstock in the presence of a hydrogen containing gas in a first reaction zone containing one or more fixed beds of a catalyst, which catalyst comprises at least one Group VIB metal component and at least one non-noble Group VIII metal component supported on a refractory oxide carrier; and (b) contacting the effluent of step (a) in the presence of a hydrogen containing gas in a second reaction zone containing one or more fixed beds of a catalyst, which catalyst comprises a catalyst comprising a noble metal component supported on an amorphous refractory oxide carrier, wherein the oil feedstock in step (a) flows counter-current to the up flowing hydrogen containing gas.

Abstract: The invention relates to a process to prepare a microcrystalline wax and a middle distillate fuel by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein the weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tropsch product is at least 0.2 and wherein at least 30 wt % of compounds in the Fischer-Tropsch product have at least 30 carbon atoms, (b) performing one or more distillate separations on the effluent of step (a) to obtain a middle distillate fuel fraction and a microcrystalline wax having an initial boiling point of between 500 and 600° C.

Abstract: The instant invention relates to a process to produce high octane, low sulfur naphtha products through the removal of basic nitrogen-containing compounds with subsequent skeletal isomerization of feed olefins and hydrotreating.

Abstract: A process for manufacturing a lubricating base oil by: a) performing Fischer-Tropsch synthesis on syngas to provide a product stream; b) isolating from said product stream a substantially paraffinic wax feed having less than about 30 ppm total nitrogen and sulfur, and less than about 1 wt % oxygen; c) dewaxing said feed by hydroisomerization dewaxing using a shape selective intermediate pore size molecular sieve comprising a noble metal hydrogenation component, wherein the hydroisomerization temperature is between about 600° F. (315° C.) and about 750° F. (399° C.), to produce an is dimerized oil; and d) hydrofinishing said isomerized oil to produce a lubricating base oil having specific desired properties.

Abstract: Feed oil is subject to atmospheric distillation, to thereby be separated into light oil or light distillate and atmospheric residue oil. The light distillate is catalytically contacted with pressurized hydrogen in the presence of a catalyst, resulting in a first hydrotreating step being executed. In this instance, various fractions of the light distillate produced in the atmospheric distillation are subject to hydrotreating in a lump. The atmospheric residue oil is then separated into a light matter and a heavy matter. The light matter is subject to second hydrotreating in the presence of a catalyst to produce refined oil (light matter), which is mixed with refined oil produced in the first hydrotreating to prepare a mixture. The mixture is used as gas turbine fuel oil.

Abstract: For desulfurization of a hydrocarbon-containing feedstock, at least one stage for selective hydrogenation of diolefins present in the initial hydrocarbon feedstock, in the presence of a catalyst of group VIII of the period table, and a stage for extraction by a solvent of the resultant hydrogenated fraction under conditions that provide at least two fractions: a raffinate that comprises for the most part olefins, paraffins and naphthenes and a reduced amount of sulfur-containing compounds that are contained in the initial feedstock, a fraction that contains the majority of the aromatic hydrocarbons and the majority of the sulfur-containing compounds contained in the initial feedstock.

Abstract: A process for removing organic sulfur compounds from heavy boiling range naphtha in a dual purpose reactor wherein the heavy boiling range naphtha is fed downflow over a fixed bed of hydrodesulfurization zone and then treated with hydrogen in a hydrodesulfurization catalytic distillation zone. Vapor containing hydrogen sulfide is removed between the zones. Preferably the heavy boiling range naphtha is produced by treating a full boiling range naphtha to concurrently react diolefins and mercaptans and split the light and heavy boiling range naphtha in a distillation column reactor.

Abstract: For producing basic oils and in particular very high quality oils, i.e. oils possessing a high viscosity index (VI), a low aromatics content, good UV stability and a low pour point, from oil cuts having an initial boiling point higher than 340° C., possibly with simultaneous production of middle distillates (in particular gasoils and kerosene) of very high quality, i.e. having a low aromatics content and a low pour point, the invention provides a flexible procedure for producing oils and middle distillates from a charge containing heteroatoms, i.e. containing more than 200 ppm by weight of nitrogen, and more than 500 ppm by weight of sulphur. The procedure comprises at least one hydrorefining stage, at least one stage of catalytic dewaxing on zeolite, and at least one hydrofinishing stage.

Abstract: The present invention relates to a medium-pressure hydrocracking process which uses a fresh hydrogen resource and a hydrosaturation catalyst with reduced metals of group VIB and/or group VIII as the active ingredients to selectively and deeply hydrosaturate jet fuel and/or diesel cuts derived in the medium-pressure hydrocracking process.

Abstract: At least two feedstocks (210A) (210B) with different boiling point ranges are hydrotreated in an integrated hydrogenation plant (200) using an interbed separator (240) that is fluidly coupled between two hydrogenation reactors (230A) (230B). Contemplated configurations and methods will significantly reduce construction and operating cost by integration of at least two hydrogenation processes of two different feedstocks into one process, and/or by providing process conditions that reduce use of catalyst in at least one of the reactors.

Abstract: First (210) and second (240) feedstocks are hydrotreated in an integrated hydrogenation plant (200) using a hot separator (230) that provides a vapor stream containing at least some of the hydrotreated first feedstock (210), wherein the second feedstock (240) is mixed with the vapor stream at a position downstream of the separator (240) and upstream of the a second hydrotreating (250) reactor to form a mixed second feedstock that is fed into the second hydrotreating reactor (250) to produce a ultra-low sulfur product.

Abstract: A process for manufacturing a finished lubricant by: a) performing Fischer-Tropsch synthesis on syngas to provide a product stream; b) isolating from said product stream a substantially paraffinic wax feed having less than about 30 ppm total nitrogen and sulfur, and less than about 1 wt % oxygen; c) dewaxing said feed by hydroisomerization dewaxing using a shape selective intermediate pore size molecular sieve comprising a noble metal hydrogenation component, wherein the hydroisomerization temperature is between about 600° F. (315° C.) and about 750° F. (399° C.), to produce an isomerized oil; and d) hydrofinishing said isomerized oil, whereby a lubricating base oil is produced having specific desired properties; and e) blending the lubricating base oil with at least one lubricant additive.

Abstract: A process for reducing sulfur compounds in naphtha to produce gasoline of ultra-low sulfur content, i.e., 10–30 ppm of sulfur, from a fluidized catalytic cracking reactor effluent stream, withdraws a high sulfur content sidestream of catalytically produced medium and heavy cat naphtha with an endpoint of +430° F. that is fed to a side column where any thiophenic and benzothophenic compounds are catalytically reacted with hydrogen to convert them to hydrogen sulfide. The desulfurized light and mid-cut naphtha is returned to the main fractionation unit and the heavy catalytic naphtha is withdrawn as a product stream from the bottom of the side column.

Abstract: A catalytic hydrocracking process for the production of ultra low sulfur diesel wherein a hydrocarbonaceous feedstock is hydrocracked at elevated temperature and pressure to obtain conversion to diesel boiling range hydrocarbons. The resulting hydrocracking zone effluent is hydrogen stripped in a stripping zone maintained at essentially the same pressure as the hydrocracking zone to produce a first gaseous hydrocarbonaceous stream and a first liquid hydrocarbonaceous stream. The first gaseous hydrocarbonaceous stream containing diesel boiling range hydrocarbons is introduced into a desulfurization zone and subsequently partially condensed to produce a hydrogen-rich gaseous stream and a second liquid hydrocarbonaceous stream containing diesel boiling range hydrocarbons. The first liquid stream is separated to produce a third liquid hydrocarbonaceous stream containing diesel boiling range hydrocarbons which is also introduced into the desulfurization zone. An ultra low sulfur diesel product stream is recovered.

Abstract: A hydrocracking process to produce ultra low sulfur diesel by reacting a first hydrocarbon feedstock in a hydrocracking zone, introducing the hydrocracking zone effluent and a second hydrocarbon feedstock having a majority boiling at a temperature greater than 565° C. (1050° F.) into a first desulfurization zone, passing the first desulfurization zone effluent to a hot, high pressure vapor-liquid separator to recover a vaporous hydrocarbonaceous stream and a first liquid hydrocarbonaceous stream, introducing the vaporous hydrocarbonaceous stream and a third hydrocarbonaceous feedstock comprising diesel into a second desulfurization zone, passing the second desulfurization zone effluent to a cold vapor-liquid separator to provide a hydrogen-rich gaseous stream and a second liquid hydrocarbonaceous stream and passing the first and the second liquid hydrocarbonaceous streams to a fractionation zone to produce ultra low sulfur diesel.

Abstract: Process for the catalytic dewaxing of a hydrocarbon oil feed including waxy molecules and more than 500 ppmw of sulphur or sulphur containing compounds by contacting the oil feed under catalytic dewaxing conditions with a catalyst composition comprising at least a hydrogenation component, dealuminated aluminosilicate zeolite crystallites and a low acidity refractory oxide binder material which is essentially free of alumina.

Abstract: An integrated process for preparing a lubricating oil base stock includes an isomerization step followed by a solvent dewaxing step. A waxy feed is isomerized to an intermediate pore point, which is at least 6° C. above a target pour point, over a select molecular sieve having specified pore properties. The isomerized oil is then solvent dewaxed to a very low pour point. This process produces a dewaxed lubricating oil base stock which has an exceptionally high viscosity index.

Abstract: A process for the production of gasoline with a low sulfur content that comprises at least one selective hydrogenation of diolefins, optionally at least one stage for transformation, preferably to increase their weight, for light sulfur-containing compounds that are present in the gasoline, at least one fractionation of the gasoline that is obtained into at least two fractions: light gasoline and heavy gasoline, then optionally a stage for transformation, preferably for alkylation or adsorption, of sulfur-containing compounds and a desulfurization treatment in a stage of at least a portion of the heavy fraction.

Abstract: A catalytic hydrocracking process for the production of ultra low sulfur diesel wherein a hydrocarbonaceous feedstock is hydrocracked at elevated temperature and pressure to obtain conversion to diesel boiling range hydrocarbons. The resulting hydrocracking zone effluent is hydrogen stripped in a stripping zone maintained at essentially the same pressure as the hydrocracking zone to produce a first gaseous hydrocarbonaceous stream and a first liquid hydrocarbonaceous stream. The first gaseous hydrocarbonaceous stream containing diesel boiling range hydrocarbons is introduced into a desulfurization zone and subsequently partially condensed to produce a hydrogen-rich gaseous stream and a second liquid hydrocarbonaceous stream containing diesel boiling range hydrocarbons. At least a portion of the first liquid stream is separated in a dividing wall column to produce a liquid hydrocarbonaceous stream containing diesel boiling range hydrocarbons which is also introduced into the desulfurization zone.

Abstract: The invention relates to a process for the production of gasoline with a low sulfur content that comprises at least the following stages: a1) at least a selective hydrogenation of diolefins, a2) optionally at least one stage that is aimed at increasing the molecular weight of the light sulfur-containing products that are present in the gasoline, b) at least one separation of the gasoline that is obtained in stage a1 or a2 into two fractions: light gasoline and heavy gasoline, c) at least one treatment with heavy gasoline that is separated in stage b on a catalyst that makes it possible to decompose or to hydrogenate at least partially the unsaturated sulfur-containing compounds, d) at least one treatment of the heavy gasoline that is obtained in stage c, without eliminating the H2S that is formed during this stage, on a catalyst that makes it possible to decompose the sulfur-containing compounds and more preferably the linear and/or cyclic saturated compounds.

Abstract: Feed oil is subject to atmospheric distillation, to thereby be separated into light oil or light distillate and atmospheric residue oil. The light distillate is catalytically contacted with pressurized hydrogen in the presence of a catalyst, resulting in a first hydrotreating step being executed. In this instance, various fractions of the light distillate produced in the atmospheric distillation are subject to hydrotreating in a lump. The atmospheric residue oil is then separated into a light matter and a heavy matter. The light matter is subject to second hydrotreating in the presence of a catalyst to produce refined oil (light matter), which is mixed with refined oil produced in the first hydrotreating to prepare a mixture. The mixture is used as gas turbine fuel oil.

Abstract: A process for removing organic sulfur compounds from heavy boiling range naphtha in a dual purpose reactor wherein the heavy boiling range naphtha is fed downflow over a fixed bed of hydrodesulfurization zone and then treated with hydrogen in a hydrodesulfurization catalytic distillation zone. Vapor containing hydrogen sulfide is removed between the zones. Preferably the heavy boiling range naphtha is produced by treating a full boiling range naphtha to concurrently react diolefins and mercaptans and split the light and heavy boiling range naphtha in a distillation column reactor.