| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 095107000 | Moving sorbent | 46 |
| 20080289495 | System and Method for Removing Carbon Dioxide From an Atmosphere and Global Thermostat Using the Same - A system for removing carbon dioxide from an atmosphere to reduce global warming including an air extraction system that collects carbon dioxide from the atmosphere through a medium and removes carbon dioxide from the medium; a sequestration system that isolates the removed carbon dioxide to a location for at least one of storage and which can increase availability of renewable energy or non-fuel products such as fertilizers and construction materials; and one or more energy sources that supply process heat to the air extraction system to remove the carbon dioxide from the medium and which can regenerate it for continued use. | 11-27-2008 |
| 20090178559 | SOLUBLE CARBON NANOTUBES - The present invention relates to a method of solubilizing carbon nanotubes, to carbon nanotubes produced thereby and to uses of said carbon nanotubes. | 07-16-2009 |
| 20090211444 | METHOD AND SYSTEM FOR REDUCING MERCURY EMISSIONS IN FLUE GAS - Method and a system for capturing mercury in a flue gas are provided. The method includes partially oxidizing a carbonaceous solid fuel in a gasifier such that a thermally activated carbon-containing solid sorbent and gaseous gasification products are generated wherein the gasifier is proximate to a combustion system for combusting a mercury containing fuel. The method further includes storing the generated thermally activated carbon-containing solid sorbent proximate to the combustion system and combusting a mercury containing fuel in a combustion zone of the combustion system wherein mercury released during combustion is entrained in flue gas generated by the combustion. The method also includes injecting the thermally activated solid sorbent in the flue gas downstream of the combustion zone and absorbing at least a portion of the entrained mercury on the thermally activated solid sorbent. | 08-27-2009 |
| 20090293721 | Dispersion lance and shield for dispersing a treating agent into a fluid stream - A dispersion apparatus for dispersing a treating agent into a fluid treatment system that includes a flow duct in which a fluid stream flowing through the duct is mixed with the treating agent. The apparatus is based on a multi-pipe lance positioned in the stream flow, where each pipe supplies a minimum of feed discharge nozzles (typically one to four), and the individual pipes branch off from the same location. Use of the multi-pipe lance, in combination with a suitable baffle, results in better overall dispersion/distribution of the injected medium by surface area. By improving the surface area distribution, better utilization of the injected sorbent can be achieved. The baffle acts to generate a low pressure zone on its downstream side and creates a high-intensity turbulence plume in the fluid. The orifices of the pipe are located to inject the treating agent into the turbulence plume to better distribute and intermix the injected treating agent into the surrounding fluid. | 12-03-2009 |
| 20090320680 | Methods of Manufacturing Bentonite Polution Control Sorbents - Methods of manufacturing bentonite sorbents for removal of pollutants including mercury from gas streams, such as a flue gas stream from coal-fired utility plants are disclosed. The methods include mixing bentonite sorbent particles with a sulfide salt and a metal salt to form a metal sulfide on the outer surface of the bentonite sorbent particles. | 12-31-2009 |
| 20100095842 | REMOVAL OF CARBON DIOXIDE FROM AIR - A process for removing CO | 04-22-2010 |
| 20110041688 | Carbon Dioxide Capture/Regeneration Structures and Techniques - New and useful system and method concepts are provided, for removing carbon dioxide from a flow of carbon dioxide laden air. More specifically, a sorbent structure is used in new and useful structures and techniques to bind carbon dioxide in a carbon dioxide laden air stream, and process heat is used to separate carbon dioxide from the sorbent structure and regenerate the sorbent structure. | 02-24-2011 |
| 20110088552 | METHOD FOR EXTRACTING WATER FROM AIR, AND DEVICE THEREFOR - A method by which water may be extracted from the air even without a supply of electricity from a power source or even without a supply of fuel, as well as an apparatus therefor, is disclosed. The apparatus used for the method for extracting water from the air comprises at least a rotatably mounted hygroscopic moisture-absorbing rotor having at least one region through which air can pass in the direction of thickness thereof; a passage for regeneration through which air for regeneration is circulated, of which both ends are opened at the opposing two surfaces of a regeneration region, respectively, the regeneration region being a part of the moisture-absorbing rotor, at which the moisture-absorbing rotor that absorbed moisture is regenerated; and a drain hole for taking out condensed water from the passage for regeneration. | 04-21-2011 |
| 20110239861 | ENERGY RECUPERATING FILTRATION APPARATUS - A filtration apparatus comprises a casing defining an inner cavity with an upper cylindrical portion and a lower hopper portion. An inlet feeds gas and solids into the inner cavity and causes movement of the solids in a downward spiral path in the casing. A solids outlet at a bottom of the lower hopper portion outlets the solids from the casing. A gas outlet exhausts gases from the casing. An annular arrangement of ports in a wall of the lower hopper portion of the casing injects an other gas in the inner cavity. The ports are oriented to guide the other gas into following a partially vertical path into the inner cavity to disrupt the movement of the solids in the downward spiral path to allow a capture of the solid particles by the capturing solids. A gas source is connected to the arrangement of ports. | 10-06-2011 |
| 20120125195 | COMPRESSOR INSTALLATION WITH A DRYER AND METHOD FOR DRYING OF COMPRESSED GASSES - Compressor installation including a compressor and a dryer which are mutually connected via a pressure pipe. The dryer includes a housing with a drying zone and a regeneration zone, and a rotating drum with a drying agent. The regeneration zone includes a first subzone and a second subzone. Two regeneration conducts connect to the pressure pipe, respectively a first regeneration conduit which connects to an inlet of the first subzone and through which compressed gas having a first temperature is guided, and a second regeneration conduit which connects to an inlet of the second subzone. The second regeneration conduit has a heating element for heating compressed gas flowing through the second regeneration conduit to a second temperature which is higher than the first temperature. | 05-24-2012 |
| 20120174778 | CARBON DIOXIDE CAPTURE/REGENERATION METHOD USING VERTICAL ELEVATOR - New and useful system and method concepts are provided, for removing carbon dioxide from a flow of carbon dioxide laden air. More specifically, a sorbent structure is used in new and useful structures and techniques to bind carbon dioxide in a carbon dioxide laden air stream, and process heat is used to separate carbon dioxide from the sorbent structure and regenerate the sorbent structure. | 07-12-2012 |
| 20120174779 | CARBON DIOXIDE CAPTURE/REGENERATION METHOD USING EFFLUENT GAS - New and useful system and method concepts are provided, for removing carbon dioxide from a flow of carbon dioxide laden air. More specifically, a sorbent structure is used in new and useful structures and techniques to bind carbon dioxide in a carbon dioxide laden air stream, and process heat is used to separate carbon dioxide from the sorbent structure and regenerate the sorbent structure. | 07-12-2012 |
| 20120174780 | CARBON DIOXIDE CAPTURE/REGENERATION METHOD USING CO-GENERATION - New and useful system and method concepts are provided, for removing carbon dioxide from a flow of carbon dioxide laden air. More specifically, a sorbent structure is used in new and useful structures and techniques to bind carbon dioxide in a carbon dioxide laden air stream, and process heat is used to separate carbon dioxide from the sorbent structure and regenerate the sorbent structure. | 07-12-2012 |
| 20120247332 | PRE-CONCENTRATION DEVICE AND METHOD FOR ION MOBILITY DETECTION APPARATUS - The present invention relates to a pre-concentration device and method for an ion mobility detection apparatus. According to an aspect of the invention, there is provided a pre-concentration device comprising: a collecting passage configured to collect a gas mixture including substances to be detected: a sieve provided, in a deploy state, within the collecting passage and configured to separate the substances from the gas mixture, the separated substances being absorbed to the sieve; at least one desorption unit configured to desorb the substances that have been absorbed to the sieve, the sieve being received in a wound state in the desorption unit; and a driving device configured to drive movement of the sieve between an absorption position in which the substances are absorbed to the sieve in the collecting passage, and a desorption position in which the substances are desorbed from the sieve in the at least one desorption unit. | 10-04-2012 |
| 20120325088 | FALLING MICROBEAD COUNTER-FLOW PROCESS FOR SEPARATING GAS MIXTURES - A method and reactor for removing a component from a gas stream is provided. In one embodiment, the method includes providing the gas stream containing the component that is to be removed and adsorbing the component out of the gas stream as the gas stream rises via microbeads of a sorbent falling down an adsorber section of a reactor. | 12-27-2012 |
| 20130055894 | CARBON DIOXIDE CAPTURE/REGENERATION METHOD USING VERTICAL ELEVATOR AND STORAGE - New and useful system and method concepts are provided, for removing carbon dioxide from a flow of carbon dioxide laden air. More specifically, a sorbent structure is used in new and useful structures and techniques to bind carbon dioxide in a carbon dioxide laden air stream, and process heat is used to separate carbon dioxide from the sorbent structure and regenerate the sorbent structure. | 03-07-2013 |
| 20140000457 | ROTARY FLUID PROCESSING SYSTEMS AND ASSOCIATED METHODS | 01-02-2014 |
| 20140165831 | Systems and Methods for Removing Elemental Sulfur From A Hydrocarbon Fluid - Systems and methods for removing elemental sulfur from a hydrocarbon fluid using an adsorbent. | 06-19-2014 |
| 20150298049 | CARBON DIOXIDE CAPTURE/REGENERATION METHOD USING MONOLITH - New and useful system and method concepts are provided, for removing carbon dioxide from a flow of carbon dioxide laden air. More specifically, a sorbent structure is used in new and useful structures and techniques to bind carbon dioxide in a carbon dioxide laden air stream, and process heat is used to separate carbon dioxide from the sorbent structure and regenerate the sorbent structure. | 10-22-2015 |
| 20160136565 | CARBON DIOXIDE SEPARATION AND RECOVERY SYSTEM AND METHOD - A carbon dioxide separation and recovery system includes: an adsorption reactor, which adsorbs, by an adsorbent, carbon dioxide contained in a to-be-treated gas, discharges the to-be-treated gas from which the carbon dioxide has been removed, and discharges the adsorbent that has adsorbed the carbon dioxide; a desorption reactor, which receives the adsorbent discharged from the adsorption reactor, condenses desorbing steam on the adsorbent to cause carbon dioxide to desorb from the adsorbent, and then discharges the adsorbent; and an adsorbent dryer, which receives the adsorbent discharged from the desorption reactor, dries the adsorbent until a water content ratio thereof becomes a predetermined value greater than or equal to a water content ratio limit by causing, with use of a drying gas, condensation water contained in the adsorbent to evaporate as steam, and then discharges the adsorbent. | 05-19-2016 |
| 095108000 | Fluidized bed | 17 |
| 20080202338 | SYSTEM AND METHOD FOR A MOVING BED ADSORBER FOR CONTAMINANT REMOVAL - A moving bed system for removing contaminates from a fluid stream is provided. The system can include a housing and a first bed system disposed in the housing. The first bed system can be coupled to the housing, and can include at least one flow channel adapted to enable an adsorbent material to flow through the first bed system. The system can include a second bed system disposed in the housing, which can include at least one flow channel in fluid communication with the first bed system to receive the adsorbent material from the first bed system. The channel of the second bed system can be symmetrical to the flow channel of the first bed system about a horizontal axis. The first bed system and the second bed system can direct a contaminated fluid stream into contact with the adsorbent material to remove the contaminates from the fluid stream. | 08-28-2008 |
| 20090056542 | FLUID FILTER SEPARATOR AND METHOD - A filter separator and method, including an annular microfilter and a separation chamber within the microfilter including a plurality of mixing blades circulating fluid upwardly and downward within the chamber. When the apparatus is used to purify syngas, adherent metal oxide particles are circulated in the chamber to adsorb waste oxides. The apparatus is purged by injecting hot CO | 03-05-2009 |
| 20090188387 | CONTINUOUS CONCENTRATION SYSTEM AND METHOD FOR VOLATILE ORGANIC COMPOUNDS USING MOVING-BED REACTOR - A continuous concentration system for volatile organic compounds for concentrating volatile organic compounds that undergo an absorption process and a removal process includes: a moving-bed chamber in which modules for absorbing volatile organic compounds are absorbed. An absorption bed line to which the volatile organic compounds are supplied to be absorbed to the module is provided on one side of the moving-bed chamber. A removal-cooling bed line for performing a removal process for removing the volatile organic compounds absorbed to the module and a cooling process for cooling the module that has undergone the removal process is provided on the other side of the moving-bed chamber. | 07-30-2009 |
| 20100116135 | Method and apparatus for pollution control of confined spaces - A method of improve the removal of particulate matter, heavy metals, neutralizing acid, and kill microorganism pollutants, known to be in contaminated air volumes of occupied confined spaces, when exposed in close contact under pressure to a mixture of alkaline sorbent materials, having a known synergism between said pollutants using a self propelled fluidized bed reactor and packed bed filter apparatus system to optimize the contact collection efficiency of submicron particles and organic compounds. | 05-13-2010 |
| 20100122628 | GERMANE PURIFICATION - A process and system for the purification of germane containing phosphine to provide a purified germane product. One aspect of the present invention is a process for making a purified germane product containing less than 50 ppb of phosphine which comprises providing a phosphine contaminated germane gas hydrogen gas mixture; passing the germane gas hydrogen gas mixture through an adsorbent which selectively adsorbs phosphine and withdrawing therefrom a purified germane gas hydrogen mixture; and separating the purified germane gas from the hydrogen germane gas mixture. | 05-20-2010 |
| 20100126345 | BROMINATION PROCESS - A bromination process includes contacting fly ash with liquid bromine to increase the mercury adsorbing ability of the fly ash. The resultant brominated fly ash can be used to adsorb mercury in a high temperature combustion gas. | 05-27-2010 |
| 20120118151 | METHOD AND SYSTEM FOR SEPARATING MERCURY FROM WASTE GASES OF A CEMENT PRODUCTION PROCESS - In the method according to the invention for separating mercury from waste gases of a cement production process, the mercury is sorbed on a sorbent, the sorbent is subsequently discharged from the process and supplied to a discharge reactor which is operated with a carrier gas. The sorbent is heated there to temperatures of more than 250° C. so that the mercury is discharged from the sorbent and changed into the gas phase, the gas of the discharge reactor that has accumulated mercury subsequently having the dust removed from it in a preliminary dust removal device, and only a part-flow of the gas which has been enriched and had the dust removed from it in this manner being drawn off at high temperatures and cleaned in a subsequent sorption stage, whilst the remaining part-flow is brought to the temperature required for the discharge of the mercury in the discharge reactor in a heat transfer system and is again supplied as a carrier gas to the discharge reactor. | 05-17-2012 |
| 20120132072 | METHODS AND SYSTEMS FOR SEPARATING CONDENSABLE VAPORS FROM GASES - Condensable vapors such as carbon dioxide are separated from light gases in a process stream. The systems and methods employ a particle bed cooled by an in-bed heat exchanger to desublimate the condensable vapors from the process stream. The condensable vapors are condensed on the bed particles while the light gases from the process stream, which are not condensed, form a separated light-gas stream. The separated light-gas stream can be used in a recuperative heat exchanger to cool the process stream. | 05-31-2012 |
| 20130125749 | BOOSTED NO-LANCE INJECTION SYSTEMS AND METHODS - A boosted no-lance injection system (BNLS) and methods of operating a combustion system to reduce acid gas or metal emissions in the flue gas is shown and described. In one embodiment, a BNLS includes an injection device, a high volumetric flow air mover, a transport air mover, a sorbent hopper and a mounting apparatus. In other embodiments, a method of operating a combustion system includes positioning the BNLS to inject into the ductwork, applying transport air and sorbent into the ductwork, and applying the high volumetric flow air into the ductwork. The result is methods and systems for reducing acid or metal emissions in the flue gas. | 05-23-2013 |
| 20130125750 | Reduction of Mercury Emissions From Cement Plants - This invention provides methods for reduction of mercury emissions from cement plants. In one method, a powdered activated carbon sorbent is injected into a gas stream of a cement plant at one or more points after the kiln and before the particulate collection device of the cement plant. Also provided is an apparatus for decreasing emissions from a cement plant, which apparatus comprises two or more beds in a series comprising a first bed which is a moving bed, and one or more remaining beds which are fixed beds, each fixed bed comprising at least one sorbent which is able to absorb at least one of mercury, hydro-carbons, and hydrochloric acid. Another method for reducing emissions from a cement plant employs the apparatus just described. | 05-23-2013 |
| 20130291721 | FLUIDIZED BED METHOD AND SYSTEM FOR GAS COMPONENT CAPTURE USING LOW PRESSURE DROP DISTRIBUTOR - The present disclosure is directed to a fluidized bed contaminant treatment system comprising plural stacked distributor elements that can be rigidly fixed to a housing surrounding the fluidized bed. | 11-07-2013 |
| 20140208945 | PHOSPHORIC ACID TREATMENT OF CARBONACEOUS MATERIAL PRIOR TO ACTIVATION - A method of producing an activated carbon, comprising selecting a raw material for direct-activation, applying a solution of at least 50% phosphoric acid by weight at a ratio of from 0.01 pounds to 0.3 pounds of phosphoric acid solution per pound to the raw material selected for direct activation to produce a phosphoric acid treated raw material, and direct-activating the phosphoric acid treated raw material via a gas activation process to produce an activated carbon. | 07-31-2014 |
| 20140251136 | CARBON DIOXIDE CAPTURE SYSTEMS - Disclosed is a carbon dioxide capture system which includes a first carbon dioxide adsorption/desorption section including a first carbon dioxide adsorption section, a first carbon dioxide desorption section connected to the first carbon dioxide adsorption section, and a first carbon dioxide adsorbent circulating through the first carbon dioxide adsorption section and the first carbon dioxide desorption section; and a second carbon dioxide adsorption/desorption section including a second carbon dioxide adsorption section, a second carbon dioxide desorption section connected to the second carbon dioxide adsorption section, and a second carbon dioxide adsorbent circulating through the second carbon dioxide adsorption section and the second carbon dioxide desorption section. | 09-11-2014 |
| 20140283687 | PROCESS AND DEVICE FOR IMPROVING THE CAPTURE OF SO2 IN ELECTROLYTIC CELL GASES - A method and device for capturing SO2 present in gases originating from cells for the industrial production of aluminum by igneous electrolysis, implemented over a group of at least two reactors passed through in parallel by a gas stream and supplied with a powdered sorption agent capable of adsorbing effluents present in the gas stream by placing the sorption agent in contact with the gas stream, each reactor having collection elements for collecting the sorption agent after contact with the gas stream, at least one of the reactors having discharge elements for discharging the sorption agent after contact with the gas stream to injection elements for injecting into at least another one of the reactors; and desorbing elements located between the discharge elements and the injection elements, for desorbing the SO2 adsorbed by the sorption agent before it reaches the discharge elements. | 09-25-2014 |
| 20140338531 | SOLIDS TRANSPORT IN FLUE GAS DESULFURIZATION SYSTEM - A solids transport system for use in a flue gas desulfurization system is disclosed. Flue gas can be recycled from downstream and used as a fluidizing gas for transporting solids between different locations. Exemplary systems include fluidization slide gravity conveyors, fluidization pads in bins, and in hoppers. The flue gas is generally already at an elevated temperature, reducing power consumption needed to heat the fluidizing gas. | 11-20-2014 |
| 20160129389 | Adsorbing Contaminants From A Gas Stream - A method and systems for adsorbing contaminants from a gas stream are provided herein. The method includes flowing the gas stream into a treating vessel and through a moving bed of adsorbents. The method includes flowing the adsorbents out of the treating vessel and into a fluidized bed of a regenerator. The method includes desorbing the contaminants from the adsorbents in the fluidized bed of the regenerator to form regenerated adsorbents. The method further includes cooling the adsorbents and returning the cooled, regenerated adsorbents to the treating vessel. | 05-12-2016 |
| 095109000 | Having gravity flow of sorbent from zone to zone | 1 |
| 20090205492 | REDUCING CARBON DIOXIDE (CO2) EMISSIONS FROM THE BURNING OF A FOSSIL FUEL - A system for reducing carbon dioxide emissions from gasses generated in burning fossil fuel, includes a vessel, separator and reheater. The upper portion of the vessel receives downward flowing, first type solid particles capable of absorbing heat from upward flowing gasses and second type solid particles capable of capturing carbon dioxide from the gasses. The separator separates the second type solid particles with the captured carbon dioxide from the gasses discharged from the first vessel discharge, and directs the separated second type solid particles with the captured carbon dioxide to a separator discharge. The reheater directs the first type solid particles and the second type solid particles with the captured carbon dioxide in a downwardly flow to a first reheater discharge, such that heat from the first type solid particles causes the captured carbon dioxide to be released from the second type solid particles. | 08-20-2009 |
| 095110000 | Gravity flow of sorbent from zone to zone | 3 |
| 20090145298 | Method and apparatus for refreshing carbon in a carbon filter canister - Method and apparatus for refreshing carbon in a carbon filter system, preferably involving a plurality of canisters, wherein spent carbon is dumped from a filtering canister into a spent carbon container. | 06-11-2009 |
| 20160030879 | CARBON PYROLYZATE ADSORBENT HAVING UTILITY FOR CO2 CAPTURE AND METHODS OF MAKING AND USING THE SAME - A particulate form carbon pyrolyzate adsorbent, having the following characteristics: (a) CO | 02-04-2016 |
| 095111000 | Sweep gas used | 1 |
| 20090308247 | Temperature swing adsorption system - A multi-step process for removing CO | 12-17-2009 |
| 095113000 | Rotating housing containing fixed sorbent or rotating plurality of housings | 6 |
| 20080289496 | METHOD FOR REMOVING SULFUR OR OTHER CONTAMINANT SPECIES FROM HYDROCARBON FUELS OR OTHER FUELS - Fuel is desulfurized with a rapid cycle desulfurization-regeneration method and apparatus. Regeneratable mass separating agents, including metals supported on high surface area materials, are used in a plurality of beds that are rotated into, through, and out of a desulfurization series and a regeneration series by valves and plumbing, which can include a rotary valve apparatus. | 11-27-2008 |
| 20110209613 | APPARATUS AND METHOD FOR IN-SITU HIGH TEMPERATURE REGENERATION OF A ROTOR SORPTION CONCENTRATOR - A method and apparatus for regenerating the media of a rotary sorption concentrator system includes passing a 600° F. to 1000° F. regeneration fluid stream through a rotating media in a first isolated zone to regenerate the media and remove contaminants from the media that are not removed during a typical desorption cycle of a rotary sorption concentrator system. | 09-01-2011 |
| 20120118152 | DRYER FOR COMPRESSED GAS, METHOD FOR DRYING COMPRESSED GAS, AND COMPRESSOR INSTALLATION PROVIDED WITH A DRYER - Compressed gas dryer, provided with a drying zone ( | 05-17-2012 |
| 20120152116 | ROTARY FLUID PROCESSING SYSTEMS AND ASSOCIATED METHODS - Rotary fluid processing systems and associated methods are disclosed. A purification system in accordance with the particular embodiment includes a rotatable adsorbent-containing heat/mass transfer element that is generally symmetric about a rotation axis, and includes multiple radial flow paths oriented transverse to the rotation axis and multiple axial flow paths oriented transverse to the radial flow paths. The axial flow paths and radial flow paths are in thermal communication with each other, and are generally isolated from fluid communication with each other at the heat transfer element. Particular embodiments can further include a housing arrangement having multiple manifolds with individual manifolds having an entry port and an exit port, and with individual manifolds having different circumferential locations relative to the rotation axis. Still further embodiments can include a seal arrangement positioned between the heat transfer element and the housing arrangement to expose the radial flow paths, but not the axial flow paths, to the entry and exit ports of one of the manifolds, and expose the axial flow paths, but not the radial flow paths, to the entry and exit ports of another of the manifolds. | 06-21-2012 |
| 20130025450 | SYSTEMS AND METHODS TO CONDITION AIR - Systems and methods to condition air are disclosed. An example system includes a desiccant heat transfer device to supply conditioned air to a facility, an air intake to receive air to be conditioned via the desiccant heat transfer device, and a make-up exhaust to provide exhaust air from a heat dissipating device in the facility to provide heated air to reactivate the desiccant heat transfer device. | 01-31-2013 |
| 20150007725 | ROTARY MOVING BED FOR CO2 SEPARATION AND USE OF SAME - A rotary moving bed and process for separating a carbon dioxide from a gas stream is disclosed. The rotary moving bed can have a rotational assembly rotating on a vertical axis, and a plurality of sorbent cells positioned horizontally to the axis of rotation that fills a vertical space in the moving bed, where the sorbent cells adsorb the carbon dioxide by concentration swing adsorption and adsorptive displacement. The sorbent can be regenerated and the carbon dioxide recaptured by desorbing the carbon dioxide from the sorbent using concentration swing adsorption and desorptive displacement with steam. The gas flows in the system flow in a direction horizontal to the axis of rotation and in a direction opposite the rotational movement of the sorbent cells. | 01-08-2015 |
