Patent application number | Description | Published |
20100242724 | Carbon dioxide recovery from low concentration sources - A system and method of purifying gaseous carbon dioxide from a gaseous mixture obtained at low pressure from a flue gas by passing the gaseous mixture through a vacuum swing adsorption unit and then a gas purification unit to produce carbon dioxide having a purity of approximately 97% by volume or more. | 09-30-2010 |
20100287981 | Processes For The Recovery Of High Purity Hydrogen And High Purity Carbon Dioxide - The present invention provides for various processes for recovering high purity gaseous hydrogen and high purity gaseous carbon dioxide from the gas stream produced using steam hydrocarbon reforming, especially steam methane reforming, utilizing a H | 11-18-2010 |
20100288123 | Processes For The Recovery Of High Purity Hydrogen And High Purity Carbon Dioxide - The present invention relates to various processes for recovering high purity gaseous hydrogen and high purity gaseous carbon dioxide from the gas stream produced using steam hydrocarbon reforming, especially steam methane reforming, utilizing a H | 11-18-2010 |
20110126705 | Process For Decreasing Or Eliminating Unwanted Hydrocarbon And Oxygenate Products Caused By Fisher Tropsch Synthesis Reactions In A Syngas Treatment Unit - The present invention provides a process for decreasing or eliminating unwanted hydrocarbon and oxygenate products caused by FTS reactions in a syngas treatment unit by utilizing heat exchangers and optionally associated pipes that are substantially fabricated of a material selected from the group consisting of chromium containing alloys and carbon steel for heating up gas streams having a carbon monoxide partial pressure greater than one bar obtained from a front end purification unit/cold box unit. | 06-02-2011 |
20110127469 | Process For Decreasing Or Eliminating Unwanted Hydrocarbon And Oxygenate Products Caused By Fisher Tropsch Synthesis Reactions In A Syngas Treatment Unit - The present invention provides a process for decreasing or eliminating unwanted hydrocarbon and oxygenate products caused by FTS reactions in a syngas treatment unit by utilizing heat exchangers and optionally associated pipes that are substantially fabricated of a material selected from the group consisting of chromium containing alloys and carbon steel for heating up gas streams having a carbon monoxide partial pressure of less than or equal to one bar and obtained from a front end purification unit/cold box unit. | 06-02-2011 |
20110207836 | PROCESS FOR DECREASING OR ELIMINATING UNWANTED HYDROCARBON AND OXYGENATE PRODUCTS CAUSED BY FISHER TROPSCH SYNTHESIS REACTIONS IN A SYNGAS TREATMENT UNIT - The present invention provides a process for decreasing or eliminating unwanted hydrocarbon and oxygenate products caused by FTS reactions in a syngas treatment unit by utilizing heat exchangers and optionally associated pipes that are substantially fabricated of a metal material selected from the group consisting of iron, nickel, cobalt, carbon steel or stainless steel and having deposited on the metal surfaces that will come in contact with the coldbox overhead gas stream an inert coating selected from the group consisting of silicon based materials, zinc based materials, tin based materials, chromium based materials, polymers, ceramics and mixtures thereof for heating up gas streams having a mixture of hydrogen and carbon monoxide and obtained from a front end purification unit/cold box unit. | 08-25-2011 |
20120090353 | Process For The Recovery Of A Concentrated Carbon Dioxide Stream - A concentrated carbon dioxide stream is produced during a hydrogen pressure swing adsorption unit cycle by fractionating the carbon dioxide removed from the adsorbent in the adsorption beds during the regeneration of the adsorption beds. Thereby providing a cost efficient process for producing merchant carbon dioxide. | 04-19-2012 |
20120227583 | METHOD FOR PURIFYING A GAS FLOW IMPLEMENTING A CONTACTOR HAVING PARALLEL PASSAGES WHILE MAINTAINING THE PERFORMANCE THEREOF - The invention relates to a method for purifying a gas flow including at least a first compound selected from the compounds of a first group including water, ammonia, aromatics, alkane-, alkene-, or alkyne-type hydrocarbons containing at least 5 carbon atoms, aldehydes, ketones, halogen hydrocarbons, hydrogen sulfide, hydrogen chloride, and at least second and third compounds selected from the compounds of a second group including helium, hydrogen, nitrogen, oxygen, argon, carbon monoxide, carbon dioxide, hydrocarbons lower than C5, wherein said method comprises a variable-pressure adsorption implementing at least one main adsorber comprising at least one contactor having parallel passages, characterized in that said first compound is at least partially stopped upstream from said main adsorber. | 09-13-2012 |