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| Number | Title | Issue Date |
| 8178471 | Hydrogen storage materials and process for the preparation of the same There are provided hydrogen storage materials comprising a first region composed primarily of an amorphous carbon containing at least one metal element selected from the group consisting of Ti, Zr, Hf and Y, and a second region composed primarily of an amorphous car... | 05/15/2012 |
| 8124561 | Production of activated char using hot gas A gas mixture preheated to high temperatures using an oxy-fuel, an oxygen-enriched air-fuel or an air-fuel burner is used to devolatilize and partially oxidize carbonaceous feedstock, thereby producing an active residual char that can be used in applications utilizi... | 02/28/2012 |
| 8034741 | Capture of mercury from a gaseous mixture containing mercury Compositions are provided, derived from chemical treatment of carbonaceous fiber felt forms or other carbonaceous substrates, that exhibit both high efficiency and capacity for mercury capture from flue gases and the like. These compositions are superior to known co... | 10/11/2011 |
| 8017550 | Catalytic adsorbents for mercury removal from flue gas and methods of manufacture therefor The present invention provides catalytic adsorbents formed from doping activated carbon with a dispersed halide salt. The catalytic adsorbents provided herein are stable and harmless at room temperature, yet allow for chemical adsorption at elevated temperatures typ... | 09/13/2011 |
| 8008228 | Carbonaceous sorbent and process for the production thereof The invention concerns a carbonaceous sorbent in powder or grain form for the dry cleaning of waste gases from thermal processes. The sorbent includes carbon adsorbents from the group of activated carbon and/or brown coal cokes which are modified with sulfur and/or ... | 08/30/2011 |
| 7998898 | Sorbent comprising activated carbon, process for making same and use thereof A sorbent body adapted for abating toxic elements from a fluid stream, such as a carbon combustion flue gas stream or a syngas stream produced in coal gasification process, and process for making such sorbent. The sorbent body comprises an activated carbon matrix de... | 08/16/2011 |
| 7902116 | Fluid treatment with activated carbon and carbon foam A system comprising an activated carbon bed in contact with carbon foam is described. In some embodiments, the system, which may be a fluid treatment system, may comprise an activated carbon bed and a carbon foam section covering at least a portion of a surface of t... | 03/08/2011 |
| 7704921 | Production of activated char using hot gas A gas mixture preheated to high temperatures using an oxy-fuel, an oxygen-enriched air-fuel or an air-fuel burner is used to devolatilize and partially oxidize carbonaceous feedstock, thereby producing an active residual char that can be used in applications utilizi... | 04/27/2010 |
| 7629293 | Manufacturing method of bamboo charcoal supporting silver and products thereof The BC powders (particle size | 12/08/2009 |
| 7465692 | Reactive media, methods of use and assemblies for purifying A reactive medium comprising reactive particles having a surface area of about 300 m2/gm to about 1500 m2/gm and a size in the range of from about 0.10 mm to about 4 mm. The reactive particles include particles of an inorganic material, includi... | 12/16/2008 |
| 7456131 | Increased thermal conductivity monolithic zeolite structures A monolith comprises a zeolite, a thermally conductive carbon, and a binder. The zeolite is included in the form of beads, pellets, powders and mixtures thereof. The thermally conductive carbon can be carbon nano-fibers, diamond or graphite which provide thermal con... | 11/25/2008 |
| 7425521 | Structured adsorbent media for purifying contaminated air A method for purifying breathing air using a carbon-based monolith structure impregnated with copper, silver, zinc, and molybdenum species and triethylenediamine, wherein the monolith structure is impregnated by a multiple step process. The method of impregnation re... | 09/16/2008 |
| 7378372 | Filter and sorbent for removal of contaminants from a fluid Metal oxide modified or impregnated activated carbon as a sorbent to reduce multiple contaminants, such as arsenic and pesticide residues from a fluid. ... | 05/27/2008 |
| 7370657 | Activated carbon-containing sorbent An activated carbon-containing sorbent is capable of selectively removing one or more selected gaseous components from a gas. The activated carbon-containing sorbent can be incorporated in a smoking article to remove one or more selected components from mainstream s... | 05/13/2008 |
| 7361209 | Apparatus and process for preparing sorbents for mercury control at the point of use A system for treating a contaminated gas stream is provided that includes a comminution device 204 operable to effect size reduction of a plurality of sorbent particles and form a plurality of comminuted particles, a plurality of nozzles 224 distribute... | 04/22/2008 |
| 7357868 | Nanocrystal-containing filtration media The invention relates to filtration media having nanocrystals of metal oxides, encapsulated in or impregnated into a binder matrix, which binds together particles of activated carbon. The filtration media can be compressed into a filtration block, has low pressure d... | 04/15/2008 |
| 7326346 | High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/05/2008 |
| 7326352 | Water treatment system A water treatment system for reducing the level of bacteria in a flow of water by creating an environment favorable for aerobic bacteria and unfavorable for anaerobic bacteria is disclosed. The system may include a method including intaking a flow of water, lowering... | 02/05/2008 |
| 7316732 | Air treatment filter and related method An activated carbon filter that treats a gas stream having a varying relative humidity, the gas stream contaminated with at least one of formaldehyde, an acid gas and an alkaline gas. The filter includes a plurality of activated carbon granules mixed together in a c... | 01/08/2008 |
| 7309513 | Broad spectrum filter system including tungsten-based impregnant and being useful for filtering contaminants from air or other gases Filter systems that are effective against a broad range of contaminants including HCN, cyanogen chloride (CK), acid contaminants. and basic contaminants such as ammonia without the need (but with the option, if desired) for using molybdenum or chromium containing ma... | 12/18/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7300586 | pH stable activated carbon An activated carbon composition is disclosed, which includes an activated carbon and a carboxylic acid containing compound. The activated carbon composition is prepared by immersing an activated carbon in an aqueous solution of a carboxylic acid containing compound.... | 11/27/2007 |
| 7294746 | Processes for removal of color bodies from polytrimethylene ether glycol polymers Processes for reducing color in PO3G are provided. The processes include contacting PO3G with an adsorbent and then separating the PO3G from the adsorbent by, for example, filtration. The process provides PO3G having an APHA color preferably less than about 50. The ... | 11/13/2007 |
| 7264726 | Nanocrystal-containing filtration media The invention relates to filtration media having nanocrystals of metal oxides, encapsulated in or impregnated into a binder matrix, which binds together particles of activated carbon. The filtration media can be compressed into a filtration block, has low pressure d... | 09/04/2007 |
| 7264648 | Removing siloxanes from a gas using a segmented filtration system customized to the gas composition A plurality of different layers of filter media are used to remove siloxanes from a gas stream. Based on an analysis of the specific gas stream to be filtered, a filter media having an average pore size enabling the preferential removal of a specific class of contam... | 09/04/2007 |
| 7256156 | Reactive-adsorptive protective materials and methods for use A reactive-adsorptive protective material having an activated carbon adsorbent, including those manufactured from a gel-type ion exchange resin. The activated carbon adsorbent has adsorptive properties for adsorbing chemical impurities. The activated carbon is wettl... | 08/14/2007 |
| 7250074 | Process for separating nitrogen from methane using microchannel process technology The disclosed invention relates to a process for separating methane or nitrogen from a fluid mixture comprising methane and nitrogen, the process comprising: (A) flowing the fluid mixture into a microchannel separator, the microchannel separator comprising a plurali... | 07/31/2007 |
| 7247285 | Reduction of sulfur, nitrogen oxides and volatile trace metals from combustion in furnaces and boilers A method for reducing the cost of emission control by utilizing a combination of low cost, combustion and post-combustion processes to eliminate emissions of sulfur and nitrogen oxides, and trace metals, including mercury, and trace dioxins and furans. These process... | 07/24/2007 |
| 7214646 | Method for producing activated carbon for electrode of electric double-layer capacitor To produce activated carbon for an electrode of an electric double-layer capacitor, the following steps are carried out sequentially: a step of subjecting a massive mesophase pitch to a pulverizing treatment to provide a pulverized powder; a step of subjecting the p... | 05/08/2007 |
| 7211707 | Multi-functional protective materials and methods for use A reactive-adsorptive protective material having an activated carbon adsorbent for adsorbing chemical impurities, wherein nanoparticular entities are loaded into and onto a surface of said activated carbon adsorbent to further impart chemically reactive and biocidal... | 05/01/2007 |
| 7199080 | Process for producing activated carbon A method of producing activated carbon comprising the steps of a) pyrolysing corn derivatives to generate char and b) activating the char to produce activated corn carbon. ... | 04/03/2007 |
| 7182883 | Massive bodies containing free halogen source for producing highly converted solutions of chlorine dioxide A massive body, e.g., a tablet, for producing a solution of chlorine dioxide when the massive body is added to liquid water. The massive body comprises a metal chlorite such as sodium chlorite, an acid source such as sodium bisulfate and a source of free halogen suc... | 02/27/2007 |
| 7183235 | High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/27/2007 |
| 7172645 | Gas filtration and storage using activated carbon/graphite foam monoliths An apparatus for separating a first gas from a mixture of the first gas and at least one second gas comprises a housing having an inlet port and an outlet port and an adsorbent which is positioned in the housing. The adsorbent comprising a carbon based foam monolith... | 02/06/2007 |
| 7160366 | Filter element An improved filter element which can be used in gas masks is formed of short lengths of porous monolithic carbon formed by partially curing a phenolic resin to a solid, comminuting the partially cured resin, extruding the comminuted resin, sintering the extruded res... | 01/09/2007 |
| 7160361 | Evaporative emission treatment device Disclosed herein an evaporative emission treatment device comprising: a housing; and an adsorption member disposed in the housing, the adsorption member comprising an adsorption component comprising an activated carbon textile made from a novoloid precursor. ... | 01/09/2007 |
| 7156897 | Anti-infection and toxin elimination device The invention provides an apparatus for removing airborne pathogens and toxic substances from a surface of an article or a volume of air, comprising: a main processing chamber having a door for ingress to and egress from the main processing chamber, at least two hig... | 01/02/2007 |
| 7153179 | Oxidation-protected metallic foil and method An electrical lead assembly for devices such as electrical lamps having a metallic foil for providing an electrically conducting path through a hermetic seal formed by pinch sealing a vitreous material. The metallic foil includes an oxidation-inhibiting coating of s... | 12/26/2006 |
| 7141230 | Method of removing residual active oxy-hydrogens A method of efficiently removing active oxy-hydrogens (e.g., existing as hetero element-containing functional groups such as COOH, CHO, and OH) present in a carbon material at a relative low temperature. The invention also provides a carbon-activating material adapt... | 11/28/2006 |
| 7141091 | Method and apparatus for removing particulate and vapor phase contaminants from a gas stream The present invention provides methods for removing particulate and a vapor phase contaminant from a gas stream including, in one embodiment, directing a gas stream comprising fly ash and a vapor phase contaminant into a particulate collection device, wherein the pa... | 11/28/2006 |
