Patent application number | Description | Published |
20110138852 | Method of Obtaining Carbon Dioxide From Carbon Dioxide-Containing Gas Mixture - Disclosed are methods of obtaining carbon dioxide from a CO | 06-16-2011 |
20110239700 | Method of Obtaining Carbon Dioxide From Carbon Dioxide-Containing Gas Mixture - Disclosed are methods of obtaining carbon dioxide from a CO | 10-06-2011 |
20110247360 | Method of Obtaining Carbon Dioxide From Carbon Dioxide-Containing Gas Mixture - Disclosed are methods of obtaining carbon dioxide from a CO | 10-13-2011 |
20120003145 | Process For Recovering Hydrogen And Carbon Dioxide From A Syngas Stream - The present invention provides a process for recovering high purity gaseous hydrogen and high purity gaseous carbon dioxide from a syngas stream by utilizing a hydrogen selective membrane unit and a primary water gas shift reactor in combination with a cryogenic purification unit, a hydrogen recovery unit and a secondary water gas shift reactor or by utilizing a hydrogen membrane/water gas shift reactor in combination with a cryogenic purification unit, a hydrogen recovery unit and a secondary water gas shift reactor. Each of these embodiments may further include a sulfur recovery unit. | 01-05-2012 |
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 |
20120145000 | Drying Process For Flue Gas Treatment - An apparatus and method for drying a moist gas is provided. The apparatus includes a revolving desiccant rotor with at least an adsorption sector and a regeneration chamber; the regeneration chamber comprising at least a first dry gas sector, a hot regeneration sector, and a second dry gas sector, and optionally a cold regeneration sector. The method includes at least an adsorption sector and a regeneration chamber; the regeneration chamber comprising at least a first dry gas sector, a hot regeneration sector, and a second dry gas sector, and optionally a cold regeneration sector. This method includes the steps of; contacting a moist gas stream with the desiccant in the adsorption sector, thereby producing a dry gas stream; contacting a first dry gas stream with the desiccant in the first dry gas sector, thereby producing a first wet gas stream; contacting a hot partially wet gas stream with the desiccant in the hot regeneration sector, thereby producing a warm wet gas stream; contacting a dry regeneration gas stream with the desiccant in the second dry gas sector, thereby producing a wet regeneration gas stream, and contacting a regeneration purge gas stream with the desiccant in the cold regeneration sector, thereby producing a warm purge gas stream. | 06-14-2012 |
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 |
20130025317 | Process for Removing Carbon Dioxide From a Gas Stream using Desublimation - A process for removing carbon dioxide from a carbon dioxide containing gas stream is obtained through de-sublimation, vaporization, and liquefaction of various carbon dioxide-containing streams with little or no external refrigeration. | 01-31-2013 |
20140102298 | Method of Obtaining Carbon Dioxide from a Carbon Dioxide-Containing Gas Mixture - Disclosed are methods of obtaining carbon dioxide from a CO | 04-17-2014 |