Patent application number | Description | Published |
20080306173 | Process for Preparing a Hydrocarbon Synthesis Catalyst - A process for the preparation of a catalyst or catalyst precursor, comprising the steps of: (a) admixing: (i) a catalytically active metal or metal compound (ii) a carrier material (iii) a gluing agent; and (iv) optionally one or more promoters, and/or one or more co-catalysts; (b) forming the mixture of step (a); and (c) drying the product of step (b) for more than 5 hours at a temperature up to 100 C to form the catalyst or catalyst precursor. The catalyst material mixture does not need to be calcined after forming to achieve the required minimum strength for use in a suitable reaction, such as Fischer Tropsch. | 12-11-2008 |
20090062584 | PROCESS FOR THE PREPARATION OF STYRENE - The invention relates to a process for the preparation of styrene comprising the gas phase dehydration of 1-phenylethanol at elevated temperature in the presence of a dehydration catalyst in which the dehydration catalyst is a shaped alumina catalyst particles having a surface area (BET) of from 80 to 140 m | 03-05-2009 |
20090155159 | PROCESS FOR THE MANUFACTURE OF CARBON DISULPHIDE - The invention provides a process for the manufacture of carbon disulphide comprising supplying a feedstock comprising a hydrocarbonaceous compound to a reaction zone containing a liquid elemental sulphur phase and reacting, in the liquid sulphur phase, at a temperature in the range of from 350 to 750° C. and a pressure in the range of from 3 to 200 bar (absolute) and in the absence of a catalyst, the hydrocarbonaceous compound with elemental sulphur in the absence of molecular oxygen. The invention further provides the use of a liquid stream comprising carbon disulphide and hydrogen sulphide obtainable by such process for enhanced oil recovery. | 06-18-2009 |
20090232717 | Process for Producing a Gas Stream Depleted of Hydrogen Sulphide - The invention provides a process for producing a gas stream depleted of H | 09-17-2009 |
20090312202 | PROCESS FOR THE MANUFACTURE OF CARBON DISULPHIDE AND USE OF A LIQUID STREAM COMPRISING CARBON DISULPHIDE FOR ENHANCED OIL RECOVERY - The invention provides a process for the manufacture of carbon disulphide by reacting carbon monoxide with elemental sulphur to form carbonyl sulphide and disproportionating the carbonyl sulphide formed into carbon disulphide and carbon dioxide, the process comprising contacting a gaseous stream comprising carbon monoxide with a liquid elemental sulphur phase containing a solid catalyst at a temperature in the range of from 250 to 700° C. to obtain a gaseous phase comprising carbonyl sulphide, carbon disulphide and carbon dioxide. The invention further provides the use of a liquid stream comprising carbon disulphide, carbonyl sulphide and carbon dioxide obtainable by such process for enhanced oil recovery. | 12-17-2009 |
20090324473 | PROCESS FOR DISPOSAL OF MERCAPTANS - The invention provides a process for disposal of mercaptans, the process comprising the steps of: (a) contacting a feed gas stream comprising mercaptans with liquid sulphur in a sulphide producing zone at elevated pressure and at a temperature in the range of from 300 to 450° C. to obtain a liquid stream comprising sulphur and sulphide compounds; (b) optionally separating the liquid stream obtained in step (a) into a first liquid phase enriched in liquid sulphur and a second liquid phase enriched in sulphide compounds; (c) combusting at least part of the sulphide compounds at elevated temperature in the presence of an oxygen-containing gas in a sulphur dioxide generation zone using a sulphide burner to which burner oxygen-containing gas is supplied, whereby at least part of the sulphide compounds is converted to sulphur dioxide to obtain a gas stream comprising sulphur dioxide. | 12-31-2009 |
20100004346 | FISCHER-TROPSCH CATALYST - A process for the preparation of a packed bed comprising an iron enriched cobalt catalyst for use in a Fischer-Tropsch reaction, the process comprising the steps of: (a) providing a packed bed with one or more catalyst particles comprising metallic cobalt; (b) contacting a part of the catalyst particle(s) in the packed bed with an iron containing compound. The process is preferably conducted in situ which conveniently results in an iron containing cobalt catalyst with a higher C | 01-07-2010 |
20100028199 | PROCESS FOR IMPROVING THE SMELL OF ELEMENTAL SULPHUR - A process for improving the smell of a stream of elemental sulphur comprising an organic polysulphide and/or a thiol, the process comprising the following step: (a) heating the stream of liquid elemental sulphur comprising an organic polysulphide and/or a thiol at a heating temperature in the range of from 360 to 700° C., at a pressure that is sufficient to maintain a liquid elemental sulphur phase to obtain heat-treated elemental sulphur. | 02-04-2010 |
20100084315 | PROCESS FOR TREATING ELEMENTAL SULPHUR FOR SMELL IMPROVEMENT - A process for treating a stream of elemental sulphur comprising an organic polysulphide and/or a thiol for smell improvement, the process comprising the following steps: (a) providing a molten stream of elemental sulphur comprising an organic polysulphide and/or a thiol at a temperature in the range of from 120 to 160° C.; (b) admixing a liquid unsaturated compound with the stream of molten elemental sulphur in an amount in the range of from 0.01 to 10.0 wt % based on the weight of sulphur to allow the organic polysulphide and/or thiol to react with the unsaturated compound. | 04-08-2010 |
20100184875 | HIGH-SPEED STOP IN FISCHER-TROPSCH PROCESS - The present invention pertains to a process for carrying out a high-speed stop in a Fischer-Tropsch process which comprises providing a feed to a fixed bed reactor comprising a Fischer-Tropsch catalyst, the reactor being at reaction temperature and pressure, and withdrawing an effluent from the reactor, wherein the high-speed stop is effected by blocking provision of feed to the reactor and simultaneously blocking the withdrawal of effluent from the reactor. | 07-22-2010 |
20100209322 | PROCESS FOR PRODUCING A GAS STREAM DEPLETED OF HYDROGEN SULPHIDE - A process for treating a gas stream comprising H2S that includes the step of selectively oxidizing the H2S of the gas stream within a catalytic zone containing an oxidation catalyst and in the presence of an inert liquid medium and molecular oxygen to form elemental sulfur and a gas stream depleted of H | 08-19-2010 |
20110108269 | SYSTEMS AND METHODS FOR PRODUCING OIL AND/OR GAS - A system for producing oil and/or gas from an underground formation comprising a first array of wells dispersed above the formation; a second array of wells dispersed above the formation; wherein the first array of wells comprises a mechanism to inject a miscible enhanced oil recovery formulation into the formation while the second array of wells comprises a mechanism to produce oil and/or gas from the formation for a first time period; a means to convert at least a portion of the miscible enhanced oil recovery formulation within the formation into another compound during a second time period; and a means to recover at least a portion of the another compound during a third time period. | 05-12-2011 |
20110108463 | CATALYST AND ITS USE IN DESULPHURISATION - A catalyst is provided comprising nickel in a reduced valence state on a carrier comprising zinc oxide and alumina, wherein the Zn:Ni atomic ratio is at least 12, and the catalyst particles are prepared by:
| 05-12-2011 |
20110180254 | SYSTEMS AND METHODS FOR PRODUCING OIL AND/OR GAS - A system for producing oil and/or gas from an underground formation comprising a first well in the formation; a mechanism to inject a miscible enhanced oil recovery formulation into the first well; a second well in the formation; a mechanism to produce oil and/or gas from the second well; wherein the first well and the second well comprise an interior of the system; a plurality of containment wells exterior to the first well and the second well; and a mechanism to inject a containment agent into the containment wells. | 07-28-2011 |
20110259791 | PROCESS FOR TREATING A HEAVY HYDROCARBON FEEDSTOCK TO REDUCE ITS VISCOSITY - A process for reducing the viscosity a heavy hydrocarbon feedstock, comprising: supplying the heavy hydrocarbon feedstock and elemental sulphur to a reaction zone and reacting, in the liquid phase, at a temperature in the range of from 300 to 750° C., a part of the heavy hydrocarbon feedstock with the elemental sulphur to form a reaction mixture comprising heavy hydrocarbon stream, carbon disulphide and hydrogen sulphide, followed by cooling the reaction mixture to provide treated heavy hydrocarbon stream comprising carbon disulphide. The invention also concerns products obtainable by the above process, as well as its use in pipeline transportation. | 10-27-2011 |
20110265380 | PROCESS FOR PRODUCING PURIFIED NATURAL GAS - The present invention provides a process for purifying natural gas, comprising removing mercaptans from a natural gas stream by a combination of an amine-based separation unit and a selective oxidation unit to obtain a purified natural gas stream, wherein at least part of the mercaptans are converted into at least elemental sulphur in the selective oxidation unit by selective catalytic oxidation. | 11-03-2011 |
20110274604 | PROCESS FOR THE SELECTIVE OXIDATION OF HYDROGEN SULPHIDE - The present invention provides a process for the selective oxidation of hydrogen sulphide contained in a hydrogen sulphide-containing hydrocarbon feed gas to elemental sulphur. The hydrogen sulphide-containing hydrocarbon feed gas and a sulphur dioxide-containing gas are supplied to a reaction zone containing a TiO | 11-10-2011 |