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Browse by Category: Main > Chemistry
Class Information
Number: 423/244.01
Name: Chemistry of inorganic compounds > Modifying or removing component of normally gaseous mixture > Sulfur or sulfur containing component > Utilizing solid reactant or catalyst to remove or modify sulfur or sulfur containing component
Description: Process wherein the sulfur or sulfur containing component is removed or changed by treatment with a reactant or catalyst that is in a solid-state.










Sub-classes under this class:

Class Number Class Name Patents
423/244.07 Alkali or alkaline earth or compound reactant 283
423/244.09 Catalyst 160
423/244.05 Reactant added to fuel for reaction in gas mixture 60
423/244.02 Reactant or catalyst on support 155
423/244.06 Transition metal or compound thereof reactant 135


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8703081 Sorbents for coal combustion Apr. 22, 2014
8703084 Removal of sulfur compounds from a gas stream Apr. 22, 2014
8685353 Regenerable sulfur traps for on-board vehicle applications Apr. 1, 2014
8668894 Method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor Mar. 11, 2014
8658555 Compositions comprising zirconium hydroxide and graphite oxide and methods for use Feb. 25, 2014
8609926 Methods for managing sulfide in wastewater systems Dec. 17, 2013
8568679 Process for removing sulfur from a fuel gas stream additionally containing carbon dioxide and light olefins Oct. 29, 2013
8562930 Dynamic oxidation of process gas Oct. 22, 2013
8545777 Method of making an acid-absorbing biosolid composition Oct. 1, 2013
8545778 Sorbents for coal combustion Oct. 1, 2013
8535631 Method for the catalytic removal of carbon dioxide and sulphur dioxide from exhaust gases Sep. 17, 2013
8535630 Method and apparatus for SOx and CO.sub.2 removal from flue gas Sep. 17, 2013
8518356 Method and apparatus for adjustably treating a sour gas Aug. 27, 2013
8518353 Reduced sorbent utilization for circulating dry scrubbers Aug. 27, 2013
8506916 Methods and devices for reducing hazardous air pollutants Aug. 13, 2013
8501128 Reducing mercury emissions from the burning of coal Aug. 6, 2013
8501135 Process for the removal of sulfur compounds from gas streams Aug. 6, 2013
8465712 Desulfurization apparatus and method Jun. 18, 2013
8353698 Co-axial injection system Jan. 15, 2013
8329125 Flue gas recirculation system Dec. 11, 2012
8323603 Desulfurization system and method for desulfurizing a fuel stream Dec. 4, 2012
8316647 System and method employing catalytic reactor coatings Nov. 27, 2012
8313323 Sorbents for coal combustion Nov. 20, 2012
8257673 Process for removing sulfur from separate less reactive and more reactive fuel gas streams containing organic sulfur and light olefins Sep. 4, 2012
8252087 Process and apparatus for treating a gas containing a contaminant Aug. 28, 2012
8242324 Removal of Hg, NO.sub.x, and SO.sub.x with using oxidants and staged gas/liquid contact Aug. 14, 2012
8226913 Reducing mercury emissions from the burning of coal Jul. 24, 2012
8192706 Method and device for purifying the flue gases of a sintering process of ores and/or other material-containing materials in metal production Jun. 5, 2012
8187366 Natural gas desulfurization May. 29, 2012
8114368 Sorbents for coal combustion Feb. 14, 2012
8110029 Integrated mercury control system Feb. 7, 2012
8083933 Process for removing sulfur from a fuel gas stream Dec. 27, 2011
8007688 Process for decontaminating syngas Aug. 30, 2011
7998447 Method for removing hydrogen sulfide from an emissions stream Aug. 16, 2011
7993616 Methods and devices for reducing hazardous air pollutants Aug. 9, 2011
7988939 Sorbents for coal combustion Aug. 2, 2011
7972419 Apparatus and method for reducing emissions resulting from raw meal grinding Jul. 5, 2011
7955577 Reducing mercury emissions from the burning of coal Jun. 7, 2011
7951346 Methods and systems for reducing particulate matter in a gaseous stream May. 31, 2011
7947242 Cement kiln chlorine/sulfur bypass system May. 24, 2011
7943105 Sulfur removal using ferrous carbonate absorbent May. 17, 2011
7935324 Integrated warm gas desulfurization and gas shift for cleanup of gaseous streams May. 3, 2011
7931882 Sulfide scavenging media and associated methods Apr. 26, 2011
7910077 Configurations and methods for SO.sub.x removal in oxygen-containing gases Mar. 22, 2011
7906088 Method of removing impurities from gas or liquid streams using copper oxide and halide salt Mar. 15, 2011
7901646 System and method for sulfur recovery Mar. 8, 2011
7854911 Method of removing sulfur dioxide from a flue gas stream Dec. 21, 2010
7850936 Dry sulfur dioxide (SO.sub.2) scrubbing Dec. 14, 2010
7846325 Process for the removal of COS and H.sub.2S from a synthesis gas stream comprising H.sub.2S and COS Dec. 7, 2010
7846408 Compositions, methods, and systems for managing total sulfide Dec. 7, 2010

1 2 3 4 5 6 7










 
 
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