Class / Patent application number | Description | Number of patent applications / Date published |
502055000 | Steam | 11 |
20080227626 | METHOD OF REGENERATING ABSORBENT - A method of regenerating an absorbent includes preparing a reactor having a gas inlet portion and a discharge portion, filling the reactor with a reforming catalyst and an absorbent for absorbing carbon dioxide, feeding the feedstock gas and the steam via the gas inlet portion to the reactor to allow a steam reforming reaction to take place, allowing the absorbent to absorb carbon dioxide generated with hydrogen at the steam reforming reaction, and releasing the carbon dioxide from the absorbent after the carbon dioxide absorption capacity of the absorbent has been degraded. In this method, the temperature in an inside of the reactor is set to 625° C. or more at the release of the carbon dioxide, and an inert gas is fed via the discharge portion to the reactor. | 09-18-2008 |
20080234124 | Apparatus and method for steaming treatment of molecular sieves - An apparatus for treatment of a plurality of molecular sieves samples is described. The apparatus comprises a steam preparation section, a steam reactor section, and a steam collection section. The steam preparation section includes a steam generator, and a means to supply inert gas into the steam reactor section. The steam reactor section includes a plurality of sample holders. The steam collection section includes a plurality of knock-out vessels. The steam reactor section is operatively connected to the steam preparation section, and the steam collection section is operatively connected to the steam reactor section. In one embodiment, each sample holder is connected and operated in tandem with one knock-out vessel. A process for treating a plurality of molecular sieves samples with steam is also disclosed which may be carried out with the described apparatus. | 09-25-2008 |
20090131243 | METHOD FOR THE REACTIVATION OF THERMALLY AGED NITROGEN OXIDE STORAGE CATALYTIC CONVERTERS - Nitrogen oxide storage catalysts are used for removing the nitrogen oxides present in the lean-burn exhaust gas of lean-burn engines. Here, the purifying action is based on the nitrogen oxides being stored in the form of nitrates by the storage material of the storage catalyst during a lean-burn operating phase of the engine and the previously formed nitrates being decomposed in a subsequent rich-burn operating phase of the engine and the nitrogen oxides which are being liberated again being reacted with the reducing exhaust gas constituents over the storage catalyst to form nitrogen, carbon dioxide and water. Storage catalysts are thermally aged by high temperatures. The aging is due to sintering of the catalytically active noble metal components of the catalyst and to formation of compounds of the storage components with the support materials. According to the invention, the formation of compounds of the storage materials can be largely reversed by treatment of the storage material with a gas mixture comprising nitrogen dioxide and/or carbon dioxide and water vapor at temperatures of from 300 to 500° C. The reactivation can be carried out either directly on the vehicle by setting appropriate exhaust gas conditions or during a routine service by removal of the catalyst from the vehicle and treatment with a gas mixture in an appropriate apparatus. | 05-21-2009 |
20100029466 | ABSORBENT REGENERATION WITH COMPRESSED OVERHEAD STREAM TO PROVIDE HEAT - A method. and plant for regeneration of a rich absorbent having absorbed C0 | 02-04-2010 |
20100062926 | ABSORBENT REGENERATION WITH FLASHED LEAN SOLUTION AND HEAT INTEGRATION - A method for regeneration of a rich absorbent having absorbed CO | 03-11-2010 |
20100311568 | METHOD AND APPARATUS FOR REGENERATING ACTIVATED COKE USED FOR TREATING WASTEWATER OR SEWAGE - A method for regenerating activated coke used for treating wastewater or sewage is provided. The method includes loading the activated coke to an environment under 150 to 250° C., heating the activated coke to a temperature of 700 to 850° C. for about 40 to 90 minutes; and providing a steam to the activated coke with a rate of 0.1 to 0.5 m | 12-09-2010 |
20110092355 | RECLAIMING APPARATUS AND RECLAIMING METHOD - A reclaiming apparatus | 04-21-2011 |
20120004092 | Method for Regenerating an Adsorber or Absorber - A method for regenerating an adsorber or absorber on board a submarine, wherein the adsorber or absorber is present in the interior of the submarine for binding metabolically generated CO | 01-05-2012 |
20120149549 | PROCESS FOR REGENERATING A CATALYST - The invention relates to a process for regenerating catalysts containing mixed oxides from the group of alkali metal and/or alkaline earth metal oxides, aluminium oxide and silicon oxide, characterized in that the regeneration comprises the following features:
| 06-14-2012 |
20140213430 | REGENERATION OF GAS ADSORBENTS - Two or more acidic gaseous species such as hydrogen sulphide and carbon dioxide from an adsorbent can be selectively removed from a Fig. la feed gas by contacting the feed gas with an adsorbent for these acidic species, followed by: a. subjecting the adsorbent to a first purging gas, said first purging gas not containing said first acidic gaseous species and containing said second acidic gaseous species at a partial pressure which is at least the partial pressure of said second gaseous species in said feed gas; b. subsequently subjecting the adsorbent to a second purging gas, said second purging gas not containing said first gaseous species and, containing this second gaseous species at a partial pressure which is lower than the partial pressure of said second gaseous species in said feed gas. | 07-31-2014 |
20160158741 | STRIPPING VESSEL FOR REMOVING HYDROCARBONS ENTRAINED IN CATALYST PARTICLES - A stripping vessel for removing hydrocarbons from a catalyst and a process for removing hydrocarbons from a catalyst. In an FCC unit, the stripping vessel includes first and second stripping sections. The first stripping section includes at least one grid having a plurality of interesting members and openings therebetween. The second stripping section includes structured packing such as a plurality of ribbons. The one or more grids are spaced from the structured packing, and from each other, so as to minimize the accumulation of catalyst within the stripping vessel, preferably between about 0.91 m (3 ft) to about 1.5 m (5 ft). | 06-09-2016 |