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| Number | Title | Issue Date |
| 7670476 | Process to prepare a gas oil Process to optimize the yield of gas oils from a Fischer-Tropsch derived feed by performing the following steps: (a) performing a hydroconversion/hydroisomerisation step on part of the Fischer-Tropsch derived feed; (b) performing a hydroconversion/hydroisomerisation... | 03/02/2010 |
| 7655134 | Process to prepare a base oil Process to optimize the yield of base oils from a Fischer-Tropsch derived feed by performing the following steps (a) performing a hydroconversion/hydroisomerization step on part of the Fischer-Tropsch derived feed; (b) performing a hydroconversion/hydroisomerization... | 02/02/2010 |
| 7431828 | Process for desulphurization of a hydrocarbon stream with a reduced consumption of hydrogen A two-stage hydrotreating process is disclosed wherein a hydrocarbon stream is first desulphurized followed by a dehydrogenation step, which process comprises in combination contacting the feed and hydrogen over a hydrotreating catalyst at hydrotreating conditions, ... | 10/07/2008 |
| 7351324 | Liquid fuel applying to various combustion systems with high heating value, high volatile, low pollution and low price The present invention relates to a liquid fuel blended by dissolving crude pentane into the heavy oil with different proportions, and applied to different combustion system respectively; the fuel thus formed is easily dissolved, volatilized, atomized and vaporized i... | 04/01/2008 |
| 7326331 | Process for the production of middle distillates by hydroisomerisation and hydrocracking feeds from the fischer-tropsch process The invention concerns a process for producing middle distillates from effluents obtained from the Fischer-Tropsch process, comprising separating a heavy cut with an initial boiling point of 120-200° C., hydrotreating said cut and fractionating the hydrotreated cut... | 02/05/2008 |
| 7318845 | Compact distillates fuel processor with effective sulfur removal process A distillate fuel steam reformer system in which a fuel feed stream is first separated into two process streams: an aliphatics-rich, sulfur-depleted gas stream, and an aromatics- and sulfur-rich liquid residue stream. The aliphatics-rich gas stream is desulfurized, ... | 01/15/2008 |
| 7311815 | Hydrocarbon products and methods of preparing hydrocarbon products A method of preparing high linear paraffin or high end-chain monomethyl content products is accomplished by converting synthesis gas in a Fischer-Tropsch reaction to hydrocarbon products. These may be hydrotreated to provide an n-paraffin content of greater than 50%... | 12/25/2007 |
| 7303598 | Liquid fuel preprocessor Apparatus and process for reformulating liquid fuel. In one step of the process the fuel is fractionated into light and heavy fractionates. The light fractionate is then reformed in a steam reformer into a reformed fuel that is suitable for use in fuel cells or othe... | 12/04/2007 |
| 7300476 | Transportation fuels The present invention relates to Compositions of fuels for transportation are disclosed, particularly organic compositions which are liquid at ambient conditions. More specifically, it relates to transportation fuels comprising suitable organic distillates, as a pre... | 11/27/2007 |
| 7300642 | Process for the production of ammonia and Fischer-Tropsch liquids A gasification plant for producing ammonia, Fischer-Tropsch fuels, and electrical power from carbon-bearing feedstocks. ... | 11/27/2007 |
| 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 pressurized hydrogen in the presence of a catalyst, resulting in a first hyd... | 10/02/2007 |
| 7253135 | Silicon-containing alumina support, a process for preparing the support and a catalyst containing the support A silicon-containing alumina support, a process for preparing the support, and a catalyst containing the support are provided. The alumina support includes an additive silicon enriched on its surface, with the difference between the atomic ratio of silicon to alumin... | 08/07/2007 |
| 7081558 | Process for recovering hydrogen in a gaseous hydrocarbon effluent by chemical reaction Process for recovery of hydrogen in an effluent that is rich in hydrocarbons and that also contains hydrogen and a light olefin fraction, whereby said process comprises: a stage a) in which said effluent is brought into contact wit... | 07/25/2006 |
| 7033552 | Upgrading Fischer-Tropsch and petroleum-derived naphthas and distillates A process for upgrading at least one of a Fischer-Tropsch naphtha and a Fischer-Tropsch distillate to produce at least one of a gasoline component, a distillate fuel or a lube base feedstock component. The process includes reforming a Fischer-Tropsch naphtha to prod... | 04/25/2006 |
| 6979396 | Combination reforming and isomerization process A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is c... | 12/27/2005 |
| 6949180 | Low toxicity Fischer-Tropsch derived fuel and process for making same A method for preparing low toxicity Fischer-Tropsch fuels suitable for use in a diesel engine and Fischer-Tropsch derived fuel compositions having low toxicity suitable for use in diesel engines characterized by a boiling range distribution wherein the 5 weight perc... | 09/27/2005 |
| 6908543 | Method for retarding fouling of feed heaters in refinery processing A method of minimizing the formation of polymers and other heavy molecular weight products upon heating of a hydrocarbon stream in a hydroconversion process is described. Specifically, sufficient hydrogen-containing gas is added to the hydrocarbon stream before heat... | 06/21/2005 |
| 6863802 | Upgrading fischer-Tropsch and petroleum-derived naphthas and distillates A process for upgrading at least one of a Fischer-Tropsch naphtha and a Fischer-Tropsch distillate to produce at least one of a gasoline component, a distillate fuel or a lube base feedstock component. The process includes reforming a Fischer-Tropsch naphtha to prod... | 03/08/2005 |
| 6620312 | Process for making a lube basestock with excellent low temperature properties A method for producing a lube basestock from a waxy feed is disclosed in which a feed containing to 50 wt % or more of wax is hydrotreated and stripped to lower the nitrogen and sulfur content of the feed. The feed is then hydroisomerized under conditions... | 09/16/2003 |
| 6602404 | Process for naphtha reforming A process comprises separating a naphtha feed into a fraction comprising C7- hydrocarbons and a heavy C8+ fraction, separating the C8+ fraction into a light fraction comprising C8 and/or C8 ... | 08/05/2003 |
| 6475374 | Production of lubricating oils by a combination catalyst system A process for preparing a lubricating oil basestock having good low temperature properties. The process includes a first amorphous isomerization catalyst having a pore volume less than 0.99 ml/gm (H2 O), an alumina content in the range of 30-50... | 11/05/2002 |
| 6207040 | Process for the gasolines production The present invention refers to a process for the production of high-octane and low benzene content gasolines according to a cycle where a crude oil is fed into an atmospheric distillation unit from which a fraction is obtained called virgin naphtha seat ... | 03/27/2001 |
| 6190534 | Naphtha upgrading by combined olefin forming and aromatization A process combination is disclosed to selectively upgrade naphtha to obtain a component for blending into gasoline. A naphtha feedstock is subjected to formation of olefins from paraffins using a nonacidic catalyst followed by aromatization of the resulti... | 02/20/2001 |
| 6051128 | Split-feed two-stage parallel aromatization for maximum para-xylene yield A full boiling hydrocarbon feed is reformed to enhance para-xylene and benzene yields. First, the hydrocarbon feed is separated into a C5- cut, a C6 -C7 cut, and a C8+ cut. The C6 -C7 cut ... | 04/18/2000 |
| 6004452 | Process for converting hydrocarbon feed to high purity benzene and high purity paraxylene A process is provided for producing high purity benzene and high purity paraxylene from a hydrocarbon feed. In one aspect, the process comprises: (a) reforming a hydrocarbon feed using either a monofunctional catalyst or a bifunctional catalyst to provide... | 12/21/1999 |
| 5972207 | Catalytic reforming process for heavy cracked naphtha A large pore volume catalyst was used for reforming heavy cracked naphtha. The average pore diameter is preferably between about 110 to 150 Angstroms. Improved catalytic stability and improved liquid yield was achieved. As a result of the improvement a 10... | 10/26/1999 |
| 5948240 | Process for controlling reaction temperatures A process for contacting reactants with a particulate catalyst while indirectly contacting the reactants with a heat exchange medium amid simultaneous exchange of catalyst particles by an operation that sequentially restricts reactant flow while moving ca... | 09/07/1999 |
| 5849177 | Process for reforming a dimethylbutane-free hydrocarbon fraction A process for reforming a hydrocarbon fraction substantially free of dimethylbutanes. The hydrocarbon is separated into a fraction comprising the C5 - hydrocarbons and the dimethylbutanes, a light fraction excluding dimethyl butanes, and a heav... | 12/15/1998 |
| 5660714 | Hydroconversion process utilizing a supported Ni-Cu hydroconversion catalyst Nickel-copper catalysts supported on an acidic carrier, preferably containing a binder, are used to hydroisomerize paraffins, particularly Fischer-Tropsch paraffins, boiling at 350° F.+ into lighter, more valuable products.... | 08/26/1997 |
| 5651878 | Hydrodearomatization of Hydrocarbons A naphtha or a middle distillate hydrocarbon is hydrodearomatized by hydrotreating in the presence of a catalyst containing a carbon support bearing (i) molybdenum or tungsten, (ii) a metal or non-noble Group VIII, and (iii) chromium.... | 07/29/1997 |
| 5447622 | Integrated catalytic cracking and olefin producing process using staged backflow regeneration Disclosed is a method which combines catalytic cracking and olefin production using a coked catalytic cracking catalyst as a dehydrogenation catalyst to dehydrogenate an alkane feed stream and form an olefin rich product stream. The method uses a staged b... | 09/05/1995 |
| 5430217 | Integrated fluid coking paraffin dehydrogenation process An integrated fluid coking/paraffin dehydrogenation process. The fluid coking unit is comprised of a fluid coker reactor, a heater, and a gasifier. Solids from the fluidized beds are recycled between the coking zone and the heater and between the heater a... | 07/04/1995 |
| 5430216 | Integrated fluid coking paraffin dehydrogenation process An integrated fluid coking/paraffin dehydrogenation process. The fluid coking unit is comprised of a fluid coker reactor, a heater, and a gasifier. Solids from the fluidized beds are recycled between the coking zone and the heater and between the heater a... | 07/04/1995 |
| 5401388 | Selective upgrading of naphtha A process combination is disclosed to selectively upgrade naphtha to obtain gasoline which is in accordance with current standards for reformulated fuels. A naphtha feedstock is fractionated to selectively direct light naphtha to isomerization or blending... | 03/28/1995 |
| 5401385 | Selective upgrading of naphtha A process combination is disclosed to selectively upgrade catalytically cracked gasoline to obtain products suitable for further upgrading to reformulated fuels. A naphtha feedstock, preferably heavy naphtha, is hydrogenated to saturate aromatics, followe... | 03/28/1995 |
| 5382349 | Method of treatment of heavy hydrocarbon oil A method of hydrotreatment of heavy hydrocarbon oil in the presence of catalysts which comprises hydrodemetallizing and hydrocracking the heavy hydrocarbon oil successively and thereafter hydrodesulfurizing and hydrodenitrogenating the treated heavy hydro... | 01/17/1995 |
| 5380425 | Over alkylation and catalytic cracking for benzene conversion A process for producing a low benzene content gasoline is disclosed. Catalytic reforming produces a benzene rich reformate which is fractionated to yield a benzene rich C6 fraction which is then over-alkylated, preferably with C2/C3 olefins from an FCC, t... | 01/10/1995 |
| 5242576 | Selective upgrading of naphtha fractions by a combination of reforming and selective isoparaffin synthesis A process combination is disclosed to selectively upgrade naphtha to obtain gasoline which is in accordance with current standards for reformulated fuels. A naphtha feedstock is fractionated to selectively direct light naphtha to isomerization or blending... | 09/07/1993 |
| 5200059 | Reformulated-gasoline production A process combination is disclosed to reduce the aromatics content and increase the oxygen content of a key component of gasoline blends. A naphtha feedstock having a boiling range usually suitable as catalytic-reforming feed is processed by selective iso... | 04/06/1993 |
| 5198097 | Reformulated-gasoline production A process combination is disclosed to reduce the aromatics content and increase the oxygen content of a key component of gasoline blends. A naphtha feedstock having a boiling range usually suitable as catalytic-reforming feed is processed by selective iso... | 03/30/1993 |
