Patent application number | Description | Published |
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 |
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 |
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 |
20110160048 | COATING METHOD FOR STRUCTURED CATALYSTS - The invention relates to a method for applying a layer comprising a carrier material to a highly porous support, said method comprising the following steps: (a) applying a mixture comprising a liquid and a carrier material to a highly porous support having a size of at least 1 mm and a porosity within the range of between 50 and 98 volume %; (b) centrifuging and spinning the support; (c) drying and/or calcining the support. | 06-30-2011 |
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 |
20120168182 | METHODS FOR PRODUCING OIL AND/OR GAS - A method for producing oil and/or gas comprising injecting a miscible enhanced oil recovery formulation into fractures, karsts, and/or vugs of a formation for a first time period from a first well; producing oil and/or gas from the fractures, karsts, and/or vugs from a second well for the first time period; injecting a miscible enhanced oil recovery formulation into the fractures, karsts, and/or vugs for a second time period from the second well; and producing oil and/or gas from the fractures, karsts, and/or vugs from the first well for the second time period. | 07-05-2012 |
20120289439 | PROCESS FOR THE MANUFACTURE OF SULPHIDE COMPOUNDS - A process for the manufacture of carbon disulphide comprising the following steps reacting carbon dioxide with hydrogen sulphide to form carbonyl sulphide and water; and absorbing at least a portion of the water with a sorbent, leaving a mixture comprising carbonyl sulphide, carbon dioxide, and hydrogen sulphide. | 11-15-2012 |
20130068664 | METHOD FOR EXTRACTING BITUMEN FROM AN OIL SAND FEED STREAM - The present invention provides a method for extracting bitumen from an oil sand feed stream ( | 03-21-2013 |
20130068665 | METHOD FOR EXTRACTING BITUMEN FROM AN OIL SAND FEED STREAM - The present invention provides a method for extracting bitumen from an oil sand feed stream ( | 03-21-2013 |
20130183217 | PROCESS FOR SELECTIVE OXIDATION OF HYDROGEN SULPHIDE - The present invention provides a process for the selective oxidation of hydrogen sulphide in a hydrogen sulphide-containing hydrocarbon and/or hydrogen feed gas to elemental sulphur in a reaction zone containing a Claus catalyst, comprising the steps of: i) reacting in the reaction zone the hydrogen sulphide in the hydrogen sulphide-containing hydrocarbon and/or hydrogen feed gas with sulphur dioxide at a pressure in the range of from 4 to 200 bar (absolute) and a temperature in the range of from 120 and 160° C., such that the elemental sulphur formed is essentially in liquid form; ii) contacting the catalyst with a reducing atmosphere at elevated temperatures. | 07-18-2013 |