Patent application number | Description | Published |
20080308769 | Method for Simultaneously Producing Hydrogen and Carbon Monoxide - The invention relates to a method for simultaneously producing hydrogen and carbon monoxide consisting in generating a synthesis gas and in processing it by decarbonising and removing water and remaining carbon dioxide by passing said gas through a bed of adsorbents, in separating remaining components by forming at least one H2-rich flow, a CO flow containing at least one type of impurity selected from nitrogen and argon, a methane-rich purge gas flow and a flash gas flow. The inventive method also consists in regenerating the bed of adsorbents by passing a regeneration gas comprising at least one non-zero proportion of the formed H2flow and in recycling at least the purge and flash gases for feeding the synthesis gas generation stage. | 12-18-2008 |
20090013717 | PROCESS AND APPARATUS FOR THE SEPARATION OF A GASEOUS MIXTURE - A process for separating carbon dioxide from a carbon dioxide containing fluid comprises the steps of: compressing the fluid in a compressor to form a compressed fluid, drying at least part of the compressed fluid to form a compressed and dried fluid, cooling at least part of the compressed and dried fluid to form a compressed, dried and cooled fluid, separating the compressed, dried and cooled fluid at a temperature lower than 0° C. into a carbon dioxide rich stream, a carbon dioxide lean stream and at least one intermediate purity liquid stream having a carbon dioxide purity lower than that of the carbon dioxide rich stream and higher than that of the carbon dioxide lean stream, expanding at least one intermediate purity liquid stream to produce at least one expanded stream using at least one expanded stream to cool the compressed and dried fluid and recycling at least part of the expanded stream. | 01-15-2009 |
20090013868 | PROCESS AND APPARATUS FOR THE SEPARATION OF A GASEOUS MIXTURE - A process for separating carbon dioxide from a compressed, dried and cooled carbon dioxide containing fluid comprises separating the fluid into at least a carbon dioxide enriched stream, and a carbon dioxide depleted stream, expanding at least part of the carbon dioxide lean stream in an expander, compressing a process stream wherein the power for the compression step is at least in part provided by the power generated by the expander. | 01-15-2009 |
20090013871 | PROCESS AND APPARATUS FOR THE SEPARATION OF A GASEOUS MIXTURE - A process for separating carbon dioxide from a fluid containing carbon dioxide, NO | 01-15-2009 |
20100043489 | Method For Separating A Mixture Of Carbon Monoxide, Methane, Hydrogen And Optionally Nitrogen by Cryogenic Distillation - A method for separating a mixture of carbon monoxide, methane, hydrogen and optionally nitrogen by cryogenic distillation is provided. | 02-25-2010 |
20100047150 | Method And Apparatus For Producing Carbon Monoxide By Cryogenic Distillation - A method and an apparatus for producing carbon dioxide by cryogenic distillation is provided. | 02-25-2010 |
20100071411 | Method And Device For Separating A Mixture of At Least Hydrogen, Nitrogen, and Carbon Monoxide By Cryogenic Distillation - A method for separating a mixture of carbon monoxide, nitrogen, hydrogen and optionally methane by cryogenic distillation. | 03-25-2010 |
20100150813 | Method And Apparatus For Producing Carbon Monoxide By Cryogenic Distillation Using A Distillation Column System Supplied With A Mixture Of Which The Main Components Are At Least Hydrogen And Carbon Monoxide - A method and apparatus for producing carbon monoxide by cryogenic distillation is presented. | 06-17-2010 |
20100199718 | Storage Enclosure, Method And Apparatus For Producing Carbon Monoxide And/Or Hydrogen By Means Of Cryogenic Separation, Including One Such Enclosure - A storage enclosure and an apparatus and method for producing carbon monoxide and/or hydrogen by means of cryogenic separation, including one such enclosure is provided. | 08-12-2010 |
20100206165 | Method For The Purification Of A Gas Containing CO2 Using An Adsorption Purification Unit - A method for the purification of a feed gas stream containing CO | 08-19-2010 |
20100206202 | Process and Apparatus For The Separation of A Gaseous Mixture - A process for separating carbon dioxide from a fluid containing carbon dioxide, NO | 08-19-2010 |
20100212494 | Method for Eliminating Mercury from a Gas Containing CO2 and Oxygen - A method for the purification of a feed gas stream at a pressure ≧3 bar, comprising at least 1% by volume of oxygen (O | 08-26-2010 |
20100242811 | Adapting Of An Oxy-Combustion Plant To Energy Availability And To The Amount Of CO2 To Be Trapped - A carbon fuel combustion process, employing an air gas separation unit, a combustion unit operating either with air or with an oxidizer leaner in nitrogen than air, coming from the air gas separation unit, and a unit for compressing and/or purifying the CO | 09-30-2010 |
20100263529 | Method For The Purification Of A Gas Containing CO2 - A method for the purification of a feed gas stream containing at least CO | 10-21-2010 |
20100288121 | Method And Device For Drying A Gas Flow Rich In Carbon Dioxide - The present invention relates to a method and device for compressing and drying a gas flow rich in carbon dioxide, for example containing more than 50 mol % of carbon dioxide. | 11-18-2010 |
20100322843 | Method For Burning Carbonated Fuels With Combustion Smoke Filtration Before Compression - A process for the combustion of a carbon-containing fuel, wherein the flue gases are filtered so as to achieve a solid particle concentration of less than 1 mg/m | 12-23-2010 |
20110088551 | Dust-Laden Wet Gas Treatment - A method for producing a CO | 04-21-2011 |
20120118011 | Process For The Production Of Hydrogen And Carbon Dioxide - The present invention provides a method to more efficiently recover hydrogen and carbon dioxide as well as a design for carbon dioxide capture from syngas that allows for the simultaneous production of medium to high amounts of hydrogen and the capture of at least 90% of the carbon dioxide in the syngas as a part of the production of hydrogen in a hydrogen generation plant. Through the use of a combination of hydrogen selective membranes and carbon dioxide selective membranes together with a carbon dioxide separation unit it is possible to increase recovery of hydrogen and carbon dioxide and improved process efficiency of the hydrogen generation plant. | 05-17-2012 |
20120121497 | Process For Recovering Hydrogen And Carbon Dioxide - The present invention provides a process for recovering hydrogen and carbon dioxide from a process stream ( | 05-17-2012 |
20120272680 | METHOD AND APPARATUS FOR DRYING AND COMPRESSING CO2-RICH FLOW - In a method for compressing a water-containing CO2-rich fluid wherein the CO2-rich fluid is compressed in a compressor located upstream from the compression step, an antifreeze agent is injected into the water-containing CO2-rich fluid in order to lower the water solidification temperature. The antifreeze agent-containing CO2-rich fluid is frozen, water is extracted from the frozen fluid, and the frozen fluid is compressed in the compressor. | 11-01-2012 |
20120279254 | METHOD FOR CRYOGENICALLY SEPARATING A MIXTURE OF NITROGEN AND CARBON MONOXIDE - A method for separating a feed gas, containing nitrogen and carbon monoxide as main components, in a distillation column: the feed gas is cooled in a heat exchanger; at least a portion of the feed gas, or at least a portion of a gas derived from the feed gas, is sent to a reboiler of the distillation column so as to condense the gas while producing a liquid, and optionally a gas; at least a portion of the liquid is sent to the distillation column; a nitrogen gas-rich flow is extracted from the distillation column; a carbon monoxide-rich flow is extracted from the distillation column, heated in the heat exchanger, and compressed so as to provide a carbon monoxide-rich material at production pressure. | 11-08-2012 |
20120291481 | Process For Recovering Hydrogen And Carbon Dioxide - The present invention provides a process for recovering hydrogen and carbon dioxide from a process stream utilizing a carbon dioxide separation unit and two membrane separation units. The present invention further provides a process within a hydrogen generation plant to increase recovery of hydrogen and capture equal to or greater than 80% of the carbon dioxide in the syngas stream. By using the process of the present invention, especially in terms of a hydrogen generation plant, it is possible to increase recovery of hydrogen and capture of the carbon dioxide in the syngas stream by balancing the recycle of the hydrogen rich permeate from the hydrogen membrane separation unit to the process unit and/or the water gas shift as capacity allows when a carbon dioxide separation unit, a carbon dioxide membrane separation unit and a hydrogen membrane separation unit are utilized. | 11-22-2012 |
20120291482 | Process For Recovering Hydrogen And Carbon Dioxide - The present invention provides a process for recovering hydrogen and carbon dioxide from a process stream utilizing a carbon dioxide separation unit and two membrane separation units. The present invention further provides a process within a hydrogen generation plant to increase recovery of hydrogen and capture equal to or greater than 80% of the carbon dioxide in the syngas stream. By using the process of the present invention, especially in terms of a hydrogen generation plant, it is possible to increase recovery of hydrogen and capture of the carbon dioxide in the syngas stream by balancing the recycle of the hydrogen rich permeate from the hydrogen membrane separation unit to the process unit and/or the water gas shift as capacity allows when a carbon dioxide separation unit, a carbon dioxide membrane separation unit and a hydrogen membrane separation unit are utilized. | 11-22-2012 |
20120291483 | Process For Recovering Hydrogen And Carbon Dioxide - The present invention provides a process for recovering hydrogen and carbon dioxide from a process stream utilizing a carbon dioxide separation unit and two membrane separation units. The present invention further provides a process within a hydrogen generation plant to increase recovery of hydrogen and capture equal to or greater than 80% of the carbon dioxide in the syngas stream. By using the process of the present invention, especially in terms of a hydrogen generation plant, it is possible to increase recovery of hydrogen and capture of the carbon dioxide in the syngas stream by balancing the recycle of the hydrogen rich permeate from the hydrogen membrane separation unit to the process unit and/or the water gas shift as capacity allows when a carbon dioxide separation unit, a carbon dioxide membrane separation unit and a hydrogen membrane separation unit are utilized. | 11-22-2012 |
20120291484 | Process For The Production Of Hydrogen And Carbon Dioxide - This present invention provides a method to more efficiently recover hydrogen and carbon dioxide, preferably at least 50%, even more preferably at least 75%, and most preferably at least 90% of the carbon dioxide. The present invention further provides the design for capture of at least 80%, carbon dioxide from syngas that allows for the simultaneous production of medium to high amounts of hydrogen in the syngas as a part of the production of hydrogen in a hydrogen generation plant. By using the process of the present invention, especially in terms of a hydrogen generation plant, it is possible to increase recovery of hydrogen and capture of the carbon dioxide in the syngas stream by balancing the recycle of the hydrogen rich permeate from the hydrogen membrane separation units to the process unit and/or the water gas shift as capacity allows when a carbon dioxide separation unit, a carbon dioxide membrane separation unit and two hydrogen membrane separation units are utilized. | 11-22-2012 |
20120291485 | Process For The Production Of Hydrogen And Carbon Dioxide - This present invention provides a method to more efficiently recover hydrogen and carbon dioxide, preferably at least 50%, even more preferably at least 75%, and most preferably at least 90% of the carbon dioxide. The present invention further provides the design for capture of at least 80%, carbon dioxide from syngas that allows for the simultaneous production of medium to high amounts of hydrogen in the syngas as a part of the production of hydrogen in a hydrogen generation plant. By using the process of the present invention, especially in terms of a hydrogen generation plant, it is possible to increase recovery of hydrogen and capture of the carbon dioxide in the syngas stream by balancing the recycle of the hydrogen rich permeate from the hydrogen membrane separation units to the process unit and/or the water gas shift as capacity allows when a carbon dioxide separation unit, a carbon dioxide membrane separation unit and two hydrogen membrane separation units are utilized. | 11-22-2012 |
20120292574 | Process For The Production Of Hydrogen And Carbon Dioxide - This present invention provides a method to more efficiently recover hydrogen and carbon dioxide, preferably at least 50%, even more preferably at least 75%, and most preferably at least 90% of the carbon dioxide. The present invention further provides the design for capture of at least 80%, carbon dioxide from syngas that allows for the simultaneous production of medium to high amounts of hydrogen in the syngas as a part of the production of hydrogen in a hydrogen generation plant. By using the process of the present invention, especially in terms of a hydrogen generation plant, it is possible to increase recovery of hydrogen and capture of the carbon dioxide in the syngas stream by balancing the recycle of the hydrogen rich permeate from the hydrogen membrane separation units to the process unit and/or the water gas shift as capacity allows when a carbon dioxide separation unit, a carbon dioxide membrane separation unit and two hydrogen membrane separation units are utilized. | 11-22-2012 |
20130017146 | METHOD FOR PRODUCING HYDROGEN WITH REDUCED CO2 EMISSIONSAANM Darde; ArthurAACI ParisAACO FRAAGP Darde; Arthur Paris FRAANM Valentin; SoleneAACI MeudonAACO FRAAGP Valentin; Solene Meudon FRAANM Court; PhilippeAACI VincennesAACO FRAAGP Court; Philippe Vincennes FRAANM Tranier; Jean-PierreAACI L'Hay-Les-RosesAACO FRAAGP Tranier; Jean-Pierre L'Hay-Les-Roses FRAANM Traversac; XavierAACI ParisAACO FRAAGP Traversac; Xavier Paris FRAANM Terrien; PaulAACI BaltimoreAAST MDAACO USAAGP Terrien; Paul Baltimore MD US - The present invention relates to a method for producing hydrogen, with reduced carbon dioxide emissions, from a hydrocarbon mixture. In said method, the hydrocarbon mixture is reformed so as to produce a synthetic gas that is cooled, then treated in a shift reactor so as to be enriched with H2 and CO2. Optionally dried, said mixture is treated in a PSA hydrogen purification unit in order to produce hydrogen. The residue is treated by means of partial condensation with a view to capturing CO4 before said residue is sent as fuel to reforming. | 01-17-2013 |
20130078115 | PROCESS AND APPARATUS FOR DRYING AND COMPRESSING A CO2-RICH STREAM - The present invention relates to a process and to a unit for drying and compressing a CO2-rich stream. The CO2-rich fluid is compressed in a compressor; upstream of the compression step, an antifreeze is mixed with the CO2-rich fluid containing water; the CO2-rich fluid containing the antifreeze is cooled, water is separated from the cooled fluid and the water-depleted cooled fluid is compressed in the compressor; and the CO2-rich fluid containing water is sent to a scrubbing column fed with a water/antifreeze mixture, where it cools and is separated from the water. | 03-28-2013 |
20130160488 | PROCESS AND APPARATUS FOR DRYING AND COMPRESSING A CO2-RICH STREAM - A process for compressing a CO2-rich fluid containing water. The CO2-rich fluid is compressed in a compressor; upstream of the compression step, an antifreeze is mixed with the CO2-rich fluid containing water. The CO2-rich fluid containing antifreeze is cooled, water is separated from the cooled fluid and the water-depleted cooled fluid is compressed in the compressor, wherein the CO2-rich fluid containing water is sent to a scrubbing column fed, preferably at the top, with a water/antifreeze mixture, where it cools and is separated from the water, the water-depleted cooled fluid is extracted from the top of the column; a water/antifreeze mixture in the column is extracted at a level below the top; the mixture is cooled using the refrigeration from an apparatus for cooling and/or purifying the cooled fluid compressed in the compressor and the fluid is returned to the top of the column. | 06-27-2013 |
20130233171 | METHOD AND APPLIANCE FOR PURIFYING A FLOW RICH IN CARBON DIOXIDE - In a method for purifying a flow rich in carbon dioxide and containing at least one impurity lighter than carbon dioxide, the flow is cooled in a heat exchanger ( | 09-12-2013 |
20130340472 | METHOD AND APPARATUS FOR LIQUEFACTION OF CO2 - In a method for the liquefaction of a gas containing at least 60 mol % of CO2, in order to produce at least one liquid product, a first feed gas is compressed from a first pressure to a second pressure and cooled so as to form a liquid or supercritical flow, at least part of the liquid or supercritical flow is cooled in a heat exchanger in order to form a cyclic liquid at the second pressure, the cyclic liquid is divided into at least two fractions, including an auxiliary fraction, at least one fraction being vaporized in the exchanger by means of heat exchange with the liquid or supercritical flow part, and where there are at least two fractions, each one is vaporized at a different pressure, and the at least one gas formed is then compressed and mixed with the first feed gas, the auxiliary fraction either forming the liquid product or one of the liquid products, or being treated by separation at a sub-ambient temperature in at least one separating means in order to form the liquid product. | 12-26-2013 |
20140026611 | METHOD AND APPARATUS FOR LIQUEFYING A GAS OR COOLING A FEED GAS AT SUPERCRITICAL PRESSURE - The invention relates to a method for liquefying a feed gas or cooling a feed gas at supercritical pressure, in which the feed gas mixed with a cycle gas is condensed or cooled in order to form a supercritical gas or liquid at the first pressure, the liquid at the first pressure is cooled in a first heat exchanger (E | 01-30-2014 |
20140137597 | Process And Apparatus For Cooling And Compressing A Wet Gas Rich In Carbon Dioxide - In a cooling and compressing process, a wet feed gas ( | 05-22-2014 |
20140208798 | Apparatus and Integrated Process for Separating a Mixture of Carbon Dioxide and at Least One Other Gas and for Separating Air by Cryogenic Distillation - An integrated apparatus for separating a mixture of carbon dioxide and at least one other gas and for separating air by air distillation is provided. The apparatus includes a CO | 07-31-2014 |
20150059402 | Method And Device For Separating A Mixture Containing Carbon Dioxide By Means Of Distillation - According to certain embodiments of the invention, a gas containing at least 50% of carbon dioxide is cooled in a first exchanger so as to produce a cooled fluid, a liquid derived from the cooled fluid is sent to a distillation column to be separated therein, a head gas is withdrawn from the distillation column and reheated in the first exchanger, a vat liquid, which is richer in carbon dioxide than the gas containing at least 50% of carbon dioxide, is withdrawn and at least a portion thereof is heated in the first exchanger, at least a first portion of the vat liquid is vaporized in the first exchanger in order to produce a vaporized portion, the vaporized portion is sent back to the column and an NOx removal column is supplied with the liquefied cycle gas produced by vaporizing and reliquefying the vat liquid from the column. | 03-05-2015 |
20150078918 | APPARATUS FOR COMPRESSING A WET GAS FLOW - A method and apparatus for compressing a gas flowing comprising at least 0.1 vol % water, include a compressor containing N compression stages, in which each compression stage includes a compressing means and an exchanger directly or indirectly connected to a water-coolant circuit; and in which at least a first exchanger and a second exchanger, in first and second consecutive or non-consecutive compression stages, are connected in series to the water-coolant circuit. The exchangers, which are not connected in series to the water-coolant circuit, include at their water-coolant output a pressure drop device. | 03-19-2015 |