SASOL TECHNOLOGY (PROPRIETARY) LIMITED Patent applications |
Patent application number | Title | Published |
20160083311 | OLIGOMERISATION OF ETHYLENE TO MIXTURES OF 1-HEXENE AND 1-OCTENE - A process for the oligomerisation of ethylene to predominantly 1-hexene or 1-octene or mixtures of 1-hexene and 1-octene includes contacting ethylene with a catalyst under ethylene oligomerisation conditions. The catalyst comprises a source of chromium, a diphosphine ligating compound, and optionally an activator. The diphosphine ligating compound includes at least one optionally substituted fused cyclic structure including at least two rings, the optionally substituted fused cyclic structure including a 5- to 7-membered aromatic first ring bonded to a phosphorus atom, the aromatic first ring being fused to a 4- to 8-membered heterocyclic second ring, the heterocyclic second ring including a heteroatom which is separated by two ring atoms along the shortest connecting path from the phosphorous atom that is bonded to the first aromatic ring. | 03-24-2016 |
20150057378 | CATALYSTS - A method of preparing a modified catalyst support comprises contacting a catalyst support material with a modifying component precursor in an impregnating liquid medium. The impregnating liquid medium comprises a mixture of water and an organic liquid solvent for the modifying component precursor. The mixture contains less than 17% by volume water based on the total volume of the impregnating liquid medium. The modifying component precursor comprises a compound of a modifying component selected from the group consisting of Si, Zr, Co, Ti, Cu, Zn, Mn, Ba, Ni, Al, Fe, V, Hf, Th, Ce, Ta, W, La and mixtures of two or more thereof. A modifying component containing catalyst support material is thus obtained. Optionally, the modifying component containing catalyst support material is calcined at a temperature above 100° C. to obtain a modified catalyst support. | 02-26-2015 |
20150041716 | ROTARY PLOUGH FOR GASIFIERS - A solids handling equipment rotary plough ( | 02-12-2015 |
20140371334 | SLURRY PHASE APPARATUS - A method of operating a slurry phase apparatus includes feeding one or more gaseous reactants into a slurry body of solid particulate material suspended in a suspension liquid contained inside a vessel. The one or more gaseous reactants are fed into the slurry body through a gas distributor having downward facing gas outlets and are fed towards a fluid impermeable partition spanning across the vessel below the gas distributor. The partition divides the vessel into a slurry volume above the partition and a bottom volume below the partition. A differential pressure is maintained over the partition between predefined limits by manipulating or allowing changes in the pressure in the bottom volume by employing a pressure transfer passage establishing flow or pressure communication between the bottom volume and a head space above the slurry body. | 12-18-2014 |
20140230702 | GASIFICATION OF CARBONACEOUS MATERIAL - A grate assembly ( | 08-21-2014 |
20140191151 | SOLIDS-HANDLING EQUIPMENT - A seat component ( | 07-10-2014 |
20140128483 | PROCESS FOR PRODUCING AT LEAST ONE PRODUCT FROM AT LEAST ONE GASEOUS REACTANT IN A SLURRY BED - A process for producing at least one product from at least one gaseous reactant includes feeding the gaseous reactant, as a gaseous feed or as part of a gaseous feed which is at an inlet superficial gas velocity of at least 0.5 m/s, into a vessel holding an expanded slurry bed of solid catalyst particles suspended in a suspension liquid so that the gaseous reactant can bubble upwardly through the slurry bed. The slurry bed has a catalyst loading of at least 20% by volume of degassed slurry. The gaseous reactant s allowed to react catalytically at a pressure above atmospheric pressure as the gaseous reactant bubbles upwardly through the slurry bed to produce at least one product. The product and any unreacted gaseous reactant are withdrawn from the vessel. | 05-08-2014 |
20140124692 | Solids-Handling Equipment - A closure component for solids-handling equipment includes a closure body configured to close a solids flow path by displacement of the closure body along a stroke axis and a removable metallic sealing element attached to the closure body. The metallic sealing element is configured sealingly to engage an endless metallic seat spaced radially outwardly from the stroke axis when the closure body closes the solids flow path. The closure body includes or defines at least one locating formation to engage and locate the metallic sealing element. The least one locating formation is positioned radially outwardly from the stroke axis and more radially outwardly from the stroke axis than at least a portion of the metallic sealing element so that at least a portion of the metallic sealing element is positioned between the locating formation and the stroke axis, thereby correctly to locate the metallic sealing element in position relative to the closure body or relative to the stroke axis during fitting of the metallic sealing element to the closure body. | 05-08-2014 |
20140120005 | PROCESS AND INSTALLATION FOR MAKING PROTECTED CATALYST BODIES BY MEANS OF A MOLTEN ORGANIC SUBSTANCE - A process for handling an active catalyst includes introducing a mixture of active catalyst particles and a molten organic substance, which is at a temperature T | 05-01-2014 |
20140107232 | PROCESS FOR PRODUCING AT LEAST ONE PRODUCT FROM AT LEAST ONE GASEOUS REACTANT IN A SLURRY BED - A process for producing at least one product from at least one gaseous reactant includes feeding the gaseous reactant, as a gaseous feed or as part of a gaseous feed which is ax an inlet superficial gas velocity of at least 0.5 m/s, into a vessel holding an expanded slurry bed of solid catalyst particles suspended in a suspension liquid so that the gaseous reactant can bubble upwardly through die slurry bed. The slurry bed has a catalyst loading of less than 14% by volume of degassed slurry. The gaseous reactant is allowed to react catalytically at a pressure above atmospheric pressure as the gaseous reactant bubbles upwardly through the slurry bed to produce at least one product. The product and any unreacted gaseous reactant are withdrawn from the vessel. | 04-17-2014 |
20140083904 | A PROCESS FOR PREPARING A COBALT - CONTAINING HYDROCARBON SYNTHESIS CATALYST PRECURSOR - A process for preparing a cobalt-containing hydrocarbon synthesis catalyst precursor includes calcining a loaded catalyst support comprising a catalyst support supporting a cobalt compound. The calcination includes heating the loaded catalyst support over a heating temperature range of 90° C. to 220° C. using (i) one or more high heating rate periods during the heating over the heating temperature range wherein heating of the loaded catalyst support takes place at a heating rate of at least 10° C./minute, and wherein a gas velocity of at least 5 m | 03-27-2014 |
20140080929 | PROCESS FOR PREPARING A COBALT - CONTAINING HYDROCARBON SYNTHESIS CATALYST PRECURSOR - A process for preparing a cobalt-containing hydrocarbon synthesis catalyst precursor includes calcining a loaded catalyst support comprising a catalyst support supporting a cobalt compound. The calcination includes subjecting the loaded catalyst support to heat treatment by heating the loaded catalyst support to a temperature, T, of at least 220° C. at a heating rate below 10° C./minute, and effecting gas flow at a space velocity of at least 9 m | 03-20-2014 |
20140045952 | CATALYSTS - A process for preparing a catalyst precursor includes forming a slurry of particles of an insoluble metal compound, where the metal of the insoluble metal compound is an active catalyst component, with particles and/or one or more bodies of a pre-shaped catalyst support in a carrier liquid. The particles of the insoluble metal compound are thus contacted with the particles and/or the one or more bodies of the pre-shaped catalyst support. A treated catalyst support is thereby produced. Carrier liquid is removed from the slurry to obtain a dried treated catalyst support, which either directly constitutes the catalyst precursor, or is optionally calcined to obtain the catalyst precursor. | 02-13-2014 |
20130317264 | CATALYSTS - A method of preparing a catalyst precursor comprises contacting a catalyst support material with a tungsten compound, to obtain a tungsten-containing catalyst support material. The tungsten-containing catalyst support material is calcined at a temperature above 900° C. to obtain a modified catalyst support. A precursor compound of an active catalyst component is introduced onto and/or into the modified catalyst support thereby to obtain a catalyst precursor. | 11-28-2013 |
20130303636 | TAR RECOVERY FROM GASIFICATION OF A CARBONACEOUS FEEDSTOCK | 11-14-2013 |
20130269730 | CLEANING OF PROCESS EQUIPMENT - A method of cleaning fouled process equipment which includes a process vessel ( | 10-17-2013 |
20120202899 | PRODUCTION OF HYDROCARBONS - A process for producing hydrocarbons and, optionally, oxygenates of hydrocarbons is provided. A synthesis gas comprises hydrogen, carbon monoxide and N-containing contaminants selected from the group consisting of HCN, NH | 08-09-2012 |
20120199467 | SEPARATION OF COMPONENTS FROM A MULTI-COMPONENT HYDROCARBON STREAM WHICH INCLUDES ETHYLENE - A process to separate a multi-component hydrocarbon stream which includes ethylene and other components with at least some of the components being present in a number of phases, is provided. The process includes in a first flash stage, flashing the multi-component hydrocarbon stream, from an elevated pressure and temperature to a pressure in the range of 10-18 bar(a), producing a first ethylene-containing vapour stream at a pressure in the range of 10-18 bar(a) and a multi-phase stream which includes some ethylene. In a second flash stage, the multi-phase stream is flashed to a pressure of less than 6 bar(a), producing a second vapour stream at a pressure of less than 6 bar(a) and a bottoms stream. The first ethylene-containing vapour stream is removed from the first flash stage, the second vapour stream is removed from the second flash stage and the bottoms stream is removed from the second flash stage. | 08-09-2012 |
20120067060 | PROCESS FOR CO-PRODUCING SYNTHESIS GAS AND POWER - A process for co-producing synthesis gas and power includes producing a synthesis gas comprising at least CO and H | 03-22-2012 |
20110301024 | PROCESS FOR THE PREPARATION OF FISCHER-TROPSCH CATALYSTS AND THEIR USE - A process for preparing a catalyst precursor includes, in a first preparation step, impregnating a particulate catalyst support with an organic metal compound in a carrier liquid. The metal of the organic metal compound is an active catalyst component. An impregnated intermediate is formed, and is calcined to obtain a calcined intermediate. Thereafter, in a second preparation step, the calcined intermediate from the first preparation step is impregnated with an inorganic metal salt in a carrier liquid. The metal of the inorganic metal salt is an active catalyst component. An impregnated support is obtained, and is calcined, to obtain the catalyst precursor. The metal is in particular cobalt. The precursor is reduced, in particular with hydrogen, to obtain the active catalyst. Also claimed is a process for the hydrogenation of CO, as well as a process for the hydrogenation of an organic compound using the so-prepared catalyst. | 12-08-2011 |
20110245355 | CATALYSTS - A process for regenerating a spent particulate wax-containing cobalt-based Fischer-Tropsch synthesis catalyst is provided. The process includes subjecting the spent wax-containing catalyst sequentially to a dewaxing treatment, an oxidation treatment and a reduction treatment. During the dewaxing treatment, the spent wax-containing catalyst is at least partially dewaxed, with dewaxed catalyst particles being produced. During the oxidation treatment, an oxygen-containing gas is passed through a bed of the dewaxed catalyst particles at an operating temperature T° C. where 15010-06-2011 | |
20110131992 | CO-PRODUCTION OF SYNTHESIS GAS AND POWER - A process ( | 06-09-2011 |
20110028575 | Catalysts - A process for preparing a cobalt based Fischer-Tropsch synthesis catalyst precursor includes introducing a multi-functional carboxylic acid having the general formula (1) HOOC—C*R | 02-03-2011 |
20110009501 | Hydrocarbon Synthesis - A process ( | 01-13-2011 |
20100304955 | Catalysts - A process for regenerating a spent cobalt Fischer-Tropsch synthesis catalyst includes subjecting a spent particulate cobalt Fischer-Tropsch synthesis catalyst sequentially to a dewaxing treatment, an oxidation treatment at a pressure of 4 to 30 bar(a) and a reduction treatment, thereby regenerating the catalyst. | 12-02-2010 |
20100273900 | Process for Producing Liquid and Gaseous Products from Gaseous Reactants - A hydrocarbon synthesis process ( | 10-28-2010 |
20100269862 | CLEANING AND/OR UNBLOCKING OF PROCESS EQUIPMENT - A method of cleaning an internal component ( | 10-28-2010 |
20100268006 | Process for Polymerising or Oligomerising a Hydrocarbon - A process for polymerising or oligomerising a hydrocarbon includes feeding a liquid hydrocarbon reactant and a liquid evaporative cooling medium into a bulk liquid phase which includes polymeric or oligomeric product admixed with a catalyst, and allowing at least a portion of the liquid hydrocarbon reactant and the liquid evaporative cooling medium to vapourise to form bubbles rising through the bulk liquid phase, with the hydrocarbon reactant polymerising or oligomerising to form the polymeric or oligomeric product and with the evaporation of both the liquid hydrocarbon reactant and the liquid evaporative cooling medium effecting heat removal from the bulk liquid phase. Gaseous components are withdrawn from a head space, cooled and separated. Condensed hydrocarbon reactant and condensed cooling medium are recycled to the bulk liquid phase. | 10-21-2010 |
20100249343 | Process for Polymerising or Oligomerising a Hydrocarbon - A process for polymerizing or oligomerising a hydrocarbon includes feeding at a low level a liquid hydrocarbon reactant into a bulk liquid phase comprising polymeric or oligomeric product admixed with a catalyst. The liquid hydrocarbon reactant is allowed to vapourise to form bubbles rising through the bulk liquid phase and to polymerise or oligomerise to form the polymeric or oligomeric product, with the rising bubbles creating turbulence in the bulk liquid phase, thereby mixing the bulk liquid phase. Gaseous components comprising any unreacted vapourised hydrocarbon reactant and any gaseous product that may have formed are withdrawn from a head space above the bulk liquid phase. Liquid phase from the bulk liquid phase is withdrawn to maintain the bulk liquid phase at a desired level. | 09-30-2010 |
20100152035 | Catalysts - A process for producing a supported cobalt-based Fischer-Tropsch synthesis catalyst includes, in a first activation stage, treating a particulate catalyst precursor with a reducing gas, at a heating rate, HR1, until the precursor has reached a temperature, T | 06-17-2010 |
20100144520 | Catalysts - A process for producing a supported cobalt-based Fischer-Tropsch synthesis catalyst includes, in a first activation stage, treating a particulate catalyst precursor with a reducing gas, at a heating rate, HR1, until the precursor has reached a temperature, T | 06-10-2010 |
20100061905 | REMOVAL OF HYDROGEN CYANIDE FROM SYNTHESIS GAS - A process ( | 03-11-2010 |
20100022666 | CO-PRODUCTION OF POWER AND HYDROCARBONS - A process ( | 01-28-2010 |
20100018217 | CO-PRODUCTION OF POWER AND HYDROCARBONS - A process ( | 01-28-2010 |
20100005720 | GASIFIER - A method of constructing an inner thermal lining or jacket of a jacketed gasifer having an outer shell with an opening allowing access to an interior of the gasifer includes inserting jacket wall segments ( | 01-14-2010 |
20090012323 | PRODUCTION OF DETERGENT RANGE ALCOHOLS - This invention relates to a process for the production of a mixture of detergent-range alcohols having an average of between 8 and 20 carbon atoms per molecule. The process includes the steps of providing a hydrocarbon stream containing olefins and paraffins in which more than 5% by volume of olefin molecules in the hydrocarbon stream have a total number of carbon atoms which is different from the total number of carbon atoms of the most abundant two carbon numbers of olefins in the hydrocarbon stream; reacting the hydrocarbon stream with CO and an alcohol in the presence of a catalyst in a hydroesterification reaction to form a hydrocarbon stream containing esters and paraffins; separating esters from the hydrocarbon stream containing esters and paraffins; and subjecting the esters to a hydrogenation reaction to provide the mixed alcohol product. | 01-08-2009 |
20080299022 | PROCESS FOR PRODUCING LIQUID AND, OPTIONALLY, GASEOUS PRODUCTS FROM GASEOUS REACTANTS - An installation for producing liquid and, optionally, gaseous products from gaseous reactants. The installation has a reactor vessel having a vertically extending slurry bed zone; a first gas inlet in the vessel at a low level within the slurry bed zone for introducing gaseous reactants; a second gas inlet in the vessel at a level within the slurry bed zone which is above the first gas inlet for introducing recycled gas, the second gas inlet in the vessel being above the lower 20% of the vertical height of the slurry bed zone; a gas outlet in the vessel above the slurry bed zone, for withdrawing gas from a head space above the slurry bed zone and a liquid outlet in the vessel within the slurry bed zone, for withdrawing liquid product from the vessel. | 12-04-2008 |