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| Number | Title | Issue Date |
| 8084661 | Extraction of ASO from spent sulfuric acid using liquid SO A process for the regeneration of spent sulfuric acid including contacting spent sulfuric acid containing acid soluble oils (ASO) with sulfur dioxide to extract at least a portion of the ASO from the spent sulfuric acid into the sulfur dioxide. The sulfuric acid pha... | 12/27/2011 |
| 8067656 | Liquid-liquid separation process via coalescers A process for separating an ionic liquid from hydrocarbons employs a coalescer material having a stronger affinity for the ionic liquid than the hydrocarbons. The coalescer material can be a high surface area material having a large amount of contact area to which i... | 11/29/2011 |
| 7906700 | Alkylation of isobutene feeds A process for alkylating isobutene by introducing a feed containing isobutene and an isoparaffin, in the form of droplets, into an acid catalyst to produce an alkylation product, wherein the Sauter mean diameter of the droplets is greater than or equal to about 150 ... | 03/15/2011 |
| 7439410 | Integrated alkylation-isomerization process An integrated isomerization-alkylation process is disclosed that uses a common distillation zone. The process can comprise halogen removal. The process is suitable for the production of motor fuels from isoparaffins and olefins using solid alkylation and isomerizati... | 10/21/2008 |
| 7435864 | Method and device for the production of alkylates Disclosed is a device for the production of alkylate(s) by sulfuric acid alkylation of at least one isoparaffin such as isobutane with at least one olefin, such as butylenes. The device includes a mixing chamber for preparing a mixture of the isoparaffin with recycl... | 10/14/2008 |
| 7432408 | Integrated alkylation process using ionic liquid catalysts An integrated refining process for the production of high quality gasoline blending components from low value components is disclosed. In addition there is disclosed a method of improving the operating efficiency of a refinery by reducing fuel gas production and sim... | 10/07/2008 |
| 7432310 | Process for synthesising hydrocarbons A process (10) for synthesising hydrocarbons includes feeding a gaseous feedstock (18) comprising hydrogen and carbon monoxide, into a first Fischer-Tropsch reaction stage (12) which is a three-phase low temperature catalytic Fischer-Tropsch rea... | 10/07/2008 |
| 7378564 | Process for manufacturing alkanes by reacting other alkanes with methane The present invention relates to a process for the manufacture of alkanes comprising a catalytic reaction resulting from contacting methane with at least one other starting alkane (I) in the presence of a metal compound (C) capable of catalysing a reaction for the s... | 05/27/2008 |
| 7371918 | Alkylation process with settler effluent recycle A system and/or process for increasing the isobutane to olefin ratio in an alkylation process/system is disclosed. The system and/or process includes provisions for charging a portion of the settler effluent as a feed to at least one reaction zone downflow from the ... | 05/13/2008 |
| 7361794 | Zone reactor In a method of converting alkanes to their corresponding alcohols and ethers a vessel comprises a hollow, unsegregated interior defined first, second, and third zones. In a first embodiment of the invention oxygen reacts with metal bromide in the first zone to provi... | 04/22/2008 |
| 7319180 | Paraffin alkylation A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a dispers... | 01/15/2008 |
| 7304198 | Staged alkylation in microchannels The invention provides methods and systems for alkylating a paraffinic feed stream in a microchannel utilizing the staged addition of olefin. ... | 12/04/2007 |
| 7294420 | Production of hydrogen A method of producing hydrogen for a fuel cell from a hydrocarbon fuel composition, by providing a hydrocarbon fuel composition, which is obtained by contacting a liquid hydrocarbon feed comprising an alkylating agent with an acidic catalyst, under conditions effect... | 11/13/2007 |
| 7288693 | Pulse flow reaction A method of operating a multi-phase downflow reactor so as to induce a pulsing flow regime is disclosed. The pulse may be induced by increasing the gas rate while maintaining the liquid rate until a pressure drop sufficient to induce the pulse flow is achieved. The ... | 10/30/2007 |
| 7285698 | Method for manufacturing alkylate oil with composite ionic liquid used as catalyst The present invention pertains to a method for manufacturing alkylate oil using a composite ionic liquid as catalyst. A mixture of isobutane and C4 olefins is used as the raw material, and a composite ionic liquid is used as catalyst to carry out an alkylation react... | 10/23/2007 |
| 7256152 | Composition of catalyst and solvent and catalysis processes using this composition A composition defined: either as comprising at least one Broensted acid, designated HB, dissolved in a liquid medium with an ionic nature of general formula Q+A−, in which Q+ represents an organic cation and A− represents an an... | 08/14/2007 |
| 7250542 | Paraffin alkylation A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a dispers... | 07/31/2007 |
| 7230150 | Zone reactor In a method of converting alkanes to their corresponding alcohols, ethers, olefins, and other hydrocarbons, a vessel comprises a hollow, unsegregated interior defined first, second, and third zones. In a first embodiment of the invention oxygen reacts with metal hal... | 06/12/2007 |
| 7176340 | Continuous process for the alkylation of hydrocarbons A continuous alkylation process performed in an apparatus comprising a series of at least two zone A reactors and a series of at least two zone B reactors, in which the zone A reactors and the zone B reactors cycle between alkylation mode and mild regeneration mode,... | 02/13/2007 |
| 7161052 | Process for the valorization of a charge of hydrocarbons and for reducing the vapor pressure of said charge A process is described for the valorization of a charge of hydrocarbons and for reducing the vapour pressure of said charge, comprising three steps: a step a) consisting of separating said charge of hydrocarbons into a fraction (O1) comprising essentially compounds ... | 01/09/2007 |
| 7161050 | Method and apparatus for synthesizing olefins, alcohols, ethers, and aldehydes A reactant selected from the group consisting of alkanes, alkenes, alkynes, dienes, and aromatics is reacted with a halide selected from the group including chlorine, bromine, and iodine to form a first reaction product. The first reaction product is reacted with a ... | 01/09/2007 |
| 7151199 | Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the catalyst. The halogen may be removed by one of several methods. One m... | 12/19/2006 |
| 7148390 | Integrated process for synthesizing alcohols, ethers, aldehydes, and olefins from alkanes Alcohols, ethers, aldehydes, and olefins are manufactured from alkanes by mixing an alkane and a halogen selected from the group including chlorine, bromine, and iodine in a reactor to form alkyl halide and hydrogen halide. The alkyl halide only or the alkyl halide ... | 12/12/2006 |
| 7119243 | Alkylation process with efficient effluent refrigeration An alkylation process in which a recycle stream is cooled by heat exchange with the alkylation reactor effluent is disclosed. ... | 10/10/2006 |
| 7019182 | Method of hydrocarbon preservation and environmental protection Gas phase hydrocarbons resulting from the operation of offshore petroleum wells are converted into corresponding liquid products which are mixed with liquid phased hydrocarbons resulting from operation of the offshore petroleum well for delivery therewith. ... | 03/28/2006 |
| 6943276 | Alkylation process with efficient effluent refrigeration An alkylation process in which a recycle stream is cooled by heat exchange with the alkylation reactor effluent is disclosed. ... | 09/13/2005 |
| 6924407 | Pressure-tuned solid catalyzed heterogeneous chemical reactions Improved methods for conducting solid acid-catalyzed, near- or supercritical heterogeneous chemical reactions (e.g., alkylation reactions) are provided which give enhanced product yields and permit longer processing runs. The preferred reactions of the invention are... | 08/02/2005 |
| 6858769 | Lithium aluminate layered catalyst and a selective oxidation process using the catalyst A catalyst for the selective oxidation of hydrogen has been developed. It comprises an inert core such as cordierite and an outer layer comprising a lithium aluminate support. The support has dispersed thereon a platinum group metal and a promoter metal, e.g. platin... | 02/22/2005 |
| 6855856 | Process for the alkylation of hydrocarbons The invention pertains to a process for the alkylation of hydrocarbons wherein a hydrocarbon feedstock and an olefin are contacted with a catalyst at alkylation process conditions. The catalyst comprises a hydrogenation function and a solid acid. The ratio between (... | 02/15/2005 |
| 6844479 | Alkylation process A process for the alkylation of paraffins with olefins includes contacting the paraffin with the olefin under alkylation conditions with a zeolite having an AAI number of at least about 1.0. In a preferred process isobutane is alkylated with cis-2-butene to produce ... | 01/18/2005 |
| 6768035 | Manufacture of high octane alkylate A Fischer-Tropsch C3-C4 olefin stream is simultaneously dehydrated and isomerized to convert alcohols to olefins and 1-butenes to 2-butenes and thereby lower the oxygenate content. Another Fischer-Tropsch fraction is hydrotreated and hydrocrack... | 07/27/2004 |
| 6743962 | Preparation of high octane alkylate from Fischer-Tropsch olefins A Fischer-Tropsch C3-C4 olefin stream is treated to lower the oxygenate content to below 4000 ppm. Another Fischer-Tropsch fraction is hydrotreated and hydrocracked to provide an isobutane-containing stream. The treated C3-C4 | 06/01/2004 |
| 6679986 | Catalytic support with an oxide base from a metal belonging to the SVI group of the periodic table, its preparation and its uses A catalytic support includes a substantial quantity of at least one SVI group Periodic Table metal oxide in which is incorporated silica. The mass ratio between the quantity of SVI group metal oxide and the quantity of silica it contains ranges between 5 ... | 01/20/2004 |
| 6602920 | Method for converting natural gas to liquid hydrocarbons A process for converting natural gas to a liquid includes heating the gas to a selected range of temperature to convert a fraction of the gas stream to reactive hydrocarbons, primarily ethylene or acetylene, and reacting methane and the reactive hydrocarb... | 08/05/2003 |
| 6583330 | Catalysts containing heteropolyanions usable in processes for conversion of paraffins New catalysts that contain heteropolyanions of the 12-tungstophosphoric acid or the 12-tungstomolybdic acid, and, for some of these, at least one metal of group VIII, and that are deposited on substrates that develop a specific surface area and a high por... | 06/24/2003 |
| 6552241 | Alkylation process A system and/or process for removing water from an alkylation catalyst mixture of an alkylation process is disclosed. The process includes passing an alkylation reaction zone effluent to a settler for separation into a hydrocarbon phase and a catalyst mix... | 04/22/2003 |
| 6531640 | Catalyst of mixed fluorosulfonic acids A catalyst comprising A) a stationary acid component selected from the group consisting of a perfluorinated ion exchange polymer on an inert support, a silane modified perfluorosulfonic acid, and a sulfated metal oxide; and B) a mobile acid component sele... | 03/11/2003 |
| 6429349 | Co-alkylation for gasoline RVP reduction Methods and apparatus that are used in an alkylation reactor system for adding low purity isopentane to alkylation reactor feed to block formation of isopentane, resulting in high incremental isopentane conversion and minimal octane and C5+ yield loss, an... | 08/06/2002 |
| 6426441 | Method for reducing organic fluoride levels in hydrocarbons A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture by first passing the hydrocarbon mixture to an eductor and educting into the hydrocarbon mixture a catalyst comprising a volatility reducing... | 07/30/2002 |
| 6423211 | Method for reducing organic fluoride levels in hydrocarbons A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture by first passing the hydrocarbon mixture to an eductor and educting into the hydrocarbon mixture a catalyst comprising a volatility reducing... | 07/23/2002 |
