Patent application number | Description | Published |
20080271481 | Air Separating Device by Means of Cryogenic Distillation - The invention relates to an air separating device by means of cryogenic distillation for producing nitrogen, comprising an exchange line ( | 11-06-2008 |
20090249988 | Apparatus and Process for Oxycombustion with CO2 Capture - An oxycombustion apparatus comprising an air separation unit ( | 10-08-2009 |
20090314031 | Air Separation Process and Apparatus Using Cryogenic Distillation - An air distillation unit comprises an air distillation column ( | 12-24-2009 |
20100206004 | Main Exchange Line And Cryogenic Distillation Air Separation Unit Incorporating Such An Exchange Line - A unit for separating air using cryogenic distillation is provided. | 08-19-2010 |
20100288976 | Method And Plant For Producing A Chilled Compressed Synthesis Gas - A method and a plant for producing a cooled compressed syngas is presented. | 11-18-2010 |
20110067445 | Method And Apparatus For Separating Air By Cryogenic Distillation - A method and to an apparatus for producing oxygen by separating air using cryogenic distillation is presented. | 03-24-2011 |
20110132035 | Method And Apparatus For Providing Nitrogen - A method and apparatus for providing nitrogen is provided. | 06-09-2011 |
20110219950 | SINGLE-BED RADIAL ADSORBERS IN SERIES - The invention relates to a method for purifying a feedstock gas flow including a main compound, water (H2O) and carbon dioxide (CO2) as well as so-called secondary impurities, that comprises: a) feeding the feedstock gas flow into at least one 2-grid radial adsorber comprising as a single adsorption bed an activated alumina or silica gel bed on which H2O is preferably adsorbed; b) feeding the gas resulting from step a) into at least one 2-grid radial adsorber comprising as a single adsorption a molecular sieve bed on which CO2 and secondary impurities are preferably adsorbed; and c) recovering a gas resulting from step b) enriched with the main compound and suitable for cryogenic distillation. | 09-15-2011 |
20120279255 | METHOD AND APPARATUS FOR COMPRESSING AND COOLING AIR - The invention relates to a method for compressing and cooling air upstream from a facility for cryogenic separation of air, with no means for exchange by indirect heat, in which humid air is compressed in a compressor, the air compressed in the compressor is cooled in a first exchanger having indirect heat exchange, water is recovered from the air upstream and/or downstream from cooling in the first exchanger, the air cooled in the first exchanger is sent to a purification unit in order to produce air purified of carbon dioxide and/or water, the purified air is sent to the cryogenic separation facility, and at least one gas is recovered from the cryogenic separation facility. | 11-08-2012 |
20120285197 | PROCESS AND UNIT FOR THE SEPARATION OF AIR BY CRYOGENIC DISTILLATION - An air separation unit having a medium-pressure column, a low-pressure column, a chamber, a heat exchanger, a bottom condenser of the low-pressure column and a condenser placed in the chamber is provided. The air separation unit also includes an expansion device configured to expand oxygen-rich liquid from the bottom of the low-pressure column before the oxygen-rich liquid is introduced to the chamber and a compressor configured to compress the gas from the chamber, wherein the compressor is downstream of the chamber and upstream of the low-pressure column. | 11-15-2012 |
20120297823 | METHOD AND APPLIANCE FOR SEPARATING AIR BY CRYOGENIC DISTILLATION - In a method for separating air in a column system, by cryogenic distillation, compressed, purified and cooled air is separated in the column system in order to form an oxygen-enriched flow and a nitrogen-enriched flow. At least one column of the column system contains a vaporizer-condenser for ensuring the vaporization of a liquid enriched in oxygen in relation to the air by means of heat exchange with a calorigenic fluid, the calorigenic fluid having been compressed upstream of the vaporizer-condenser in a compressor having a cryogenic inlet temperature, the calorigenic fluid being at least partially condensed in the vaporizer-condenser, and a cryogenic liquid is added to the calorigenic fluid upstream of the vaporizer-condenser. | 11-29-2012 |
20130340476 | APPARATUS AND METHOD FOR SEPARATING AIR BY CRYOGENIC DISTILLATION - Device for separating air comprises a pipe for withdrawing liquid oxygen from the low-pressure column and for sending it to a first pump, a pipe for sending liquid oxygen that has been pressurized to a pressure of below 9 bar as from the first pump to a vaporizer, a pipe for sending gaseous oxygen from the vaporizer to a main exchanger Where it is heated up, a pipe for sending liquid oxygen for purging from the vaporizer to a second pump to pressurize it and a pipe for sending the pressurized oxygen from the second pump to an exchanger where it vaporizes to form gaseous oxygen. | 12-26-2013 |
20140053601 | Method and Apparatus for Separating Air by Cryogenic Distillation - A method for separating air is provided, in which a flow of oxygen-rich liquid is sent to a top of a pure oxygen column, having a pure oxygen reboiler, in which said flow is purified in order to form a vessel liquid containing at least 98 mol % of oxygen and the vessel liquid is drawn off as a product. A supercharged airflow at a second pressure is sent to the pure oxygen reboiler and to a liquid oxygen vaporizer; a nitrogen-rich gas is drawn from the top of the medium-pressure column and sent to an intermediate reboiler of the low-pressure column and the condensed gas is sent to the top of the medium-pressure column; and a nitrogen-rich gas or air is sent to a vessel reboiler of the low-pressure column and the liquid that condenses therein is sent to the medium-pressure column. | 02-27-2014 |
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 |