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8110091 |
Process for the conversion of feedstocks resulting from renewable sources for producing gas oil fuel bases with a low sulphur content and with an improved cetane number
The invention relates to a process for the treatment of heavy petroleum feedstocks in order to produce a gas oil fraction having a sulphur content of less than 50 ppm and generally 10 ppm which...
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7867379 |
Production of an upgraded stream from steam cracker tar by ultrafiltration
This invention relates to a process of producing an upgraded product stream from steam cracker tar feedstream suitable for use in refinery or chemical plant processes or for utilization in fuel oil...
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7863229 |
Lubricating compositions
The pour point of a lubricating composition consisting essentially of from about 5 wt % to about 100 wt % of a Group III base stock and from 0 wt % to about 95 wt % of a Group IV base stock is...
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7838272 |
Increased yield in gas-to-liquids processing via conversion of carbon dioxide to diesel via microalgae
The present invention is generally directed to systems and methods for integrating gas-to-liquids (GTL) processing with biofuels production. In some embodiments of the present invention, carbon...
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7815790 |
Upgrade of visbroken residua products by ultrafiltration
This invention relates to a process of producing an upgraded product stream from the products of a resid visbreaking process to produce an improved feedstream for refinery and petrochemical...
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7731838 |
Solid acid assisted deep desulfurization of diesel boiling range feeds
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...
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7727379 |
Process to continuously prepare two or more base oil grades and middle distillates
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...
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7713407 |
Production of low sulfur fuels using improved hydrocracker post-treatment catalyst
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...
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7686945 |
Process to prepare water-white lubricant base oil
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...
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7682500 |
Hydrocarbon conversion process
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...
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7670477 |
Desulphurization process comprising a transformation step and a step for extracting sulphur-containing compounds
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...
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RE41120 |
Process for ultra low sulfur gasoline
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...
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7655135 |
Process for removing solid particles from a hydroprocessing feed
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...
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7618530 |
Heavy oil hydroconversion process
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...
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7597795 |
Process for making lube oil basestocks
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...
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7497941 |
Process to prepare a lubricating base oil and a gas oil
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...
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7476645 |
Polyalphaolefin and fischer-tropsch derived lubricant base oil lubricant blends
Blended lubricant base oils and blended finished lubricants comprising ≧70 weight percent Fischer-Tropsch derived lubricant base oils comprising ≧6 weight % molecules with monocycloparaffinic fun...
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7470357 |
Hydrocarbon conversion process
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...
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7462275 |
Process for conversion of hydrocarbons to saturated LPG and high octane gasoline
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 ...
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7427349 |
Fuels hydrocracking and distillate feed hydrofining in a single process
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...
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7402236 |
Process to make white oil from waxy feed using highly selective and active wax hydroisomerization catalyst
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...
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7347928 |
Process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade from the bottoms fraction of a fuels hydrocracking process
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...
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7344633 |
Process to prepare a base oil having a high saturates content
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...
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7300565 |
Process to prepare a microcrystalline wax and a middle distillate fuel
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...
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7288181 |
Producing low sulfur naphtha products through improved olefin isomerization
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...
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7282134 |
Process for manufacturing lubricating base oil with high monocycloparaffins and low multicycloparaffins
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...
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7276151 |
Gas turbine fuel oil and production method thereof and power generation method
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...
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7270737 |
Process for desulfurization comprising a stage for selective hydrogenation of diolefins and a stage for extraction of sulfur-containing compounds
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...
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7238276 |
Medium-pressure hydrocracking process
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...
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7238275 |
Combined hydrotreating process and configurations for same
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...
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7238274 |
Combined hydrotreating and process
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...
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7195706 |
Finished lubricating comprising lubricating base oil with high monocycloparaffins and low multicycloparaffins
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...
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7122114 |
Desulfurization of a naphtha gasoline stream derived from a fluid catalytic cracking unit
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, w...
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7097760 |
Hydrocarbon process for the production of ultra low sulfur diesel
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...
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7094332 |
Integrated process for the production of ultra low sulfur diesel and low sulfur fuel oil
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...
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7077948 |
Catalytic dewaxing process
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...
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7074320 |
Preparing a high viscosity index, low branch index dewaxed oil
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...
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7052598 |
Process for the production of gasoline with a low sulfur content comprising a hydrogenation, a fractionation, a stage for transformation of sulfur-containing compounds and a desulfurization
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...
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7005057 |
Hydrocracking process for the production of ultra low sulfur diesel
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...
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6896795 |
Process for the production of gasolines with low sulfur contents
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)...
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6841062 |
Crude oil desulfurization
This invention relates to a crude oil desulfurization process which comprises hydrodesulfurizing a crude oil feed in a crude desulfurization unit. The desulfurized crude oil is then separated into...
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6830678 |
Process of desulphurizing gasoline comprising desulphurization of the heavy and intermediate fractions resulting from fractionation into at least three cuts
The invention relates to a process of producing gasoline with a low sulphur content from a feedstock containing sulphur. This process comprises at least one step a1 of selectively hydrogenating the...
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6811683 |
Production of diesel fuel from bitumen
A process for producing a diesel fuel stock from bitumen uses steam and a hydroisomerized diesel fraction produced by a gas conversion process, to respectively stimulate the bitumen production and...
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6797154 |
Hydrocracking process for the production of high quality distillates from heavy gas oils
With this invention, high conversion of heavy gas oils and the production of high quality products is possible in a single high-pressure loop with reaction stages operating at different pressure...
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6787026 |
Process for the production of high quality base oils
This invention is directed to a process for hydroprocessing vacuum gas oils and other feeds in order to produce unconverted oil suitable for use as base oil feed for white oils, Group III oils, and...
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6776898 |
Process for softening fischer-tropsch wax with mild hydrotreating
A novel process for forming hydrocarbon waxes from synthesis gas is disclosed. This invention teaches a process whereby a Fischer-Tropsch wax can be formulated such that the wax softness as defined...
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6709639 |
Apparatus for purification of raw gasoline from catalytic cracking
An apparatus for the purification of catalytic cracking gasolines containing dienic and/or acetylenic impurities, and mercaptans, said apparatus comprising at least one selective hydrogenation...
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6702935 |
Hydrocracking process to maximize diesel with improved aromatic saturation
A VGO stream is initially hydrocracked in a hydrocracking reaction zone within an integrated hydroconversion process. Effluent from the hydrocracking reaction zone is combined with a light...
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6702937 |
Process for upgrading Fischer-Tropsch products using dewaxing and hydrofinishing
A process for producing low pour point diesel and lubricating base oil products by bulk dewaxing a C5 plus Fischer-Tropsch syncrude, hydrofinishing the dewaxed intermediate, and recovering 120...
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6663768 |
Preparing a HGH viscosity index, low branch index dewaxed
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...
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