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US20110123422 Flue Gas Scrubbing  
Herein is disclosed a flue gas scrubbing composition, a method of using the flue gas scrubbing composition, and a method of entombing mercury collected with the flue gas scrubbing composition. The...
US20130089484 SILICA CONTAINING BASIC SORBENT FOR ACID GAS REMOVAL  
An acid gas sorbent composition is disclosed. The composition comprises a compound having the following formula: (SiO2)x(OH)yF.B wherein F optionally exists and said F is at least one of the...
US20110064637 Process for the joint production of sodium carbonate and sodium bicarbonate  
Process for the joint production of sodium carbonate and sodium bicarbonate crystals, according to which: a solid powder derived from sodium sesquicarbonate, having a mean particle diameter...
US20110135553 Milling process  
Process for milling a substance selected from the group consisting of sodium carbonate, sodium bicarbonate, sodium sesquicarbonate, and trona, in which the substance is milled with a cleaning...
US20090060808 Scrubber For Reactive Gases  
Scrubber media for reactive gases, that can include but are not necessarily limited to hydrogen chloride (HCl), hydrogen sulfide (H2S), hydrogen fluoride (HF), and ammonia (NH3), can include...
US20090291038 Process For The Joint Production of Sodium Carbonate and Sodium Bicarbonate  
Process for the joint production of sodium carbonate and sodium bicarbonate crystals, according to which: Solid powder derived from sodium sesquicarbonate, having a mean particle diameter...
US20110044874 Oxidation Catalyst and Method for Destruction of CO, VOC and Halogenated VOC  
An oxidation catalyst deposited on a substrate is described for the destruction of CO and volatile organic compounds, in particular halogenated organic compounds, from an emissions stream at...
US20090060811 Wide Mesoporous Alumina Composites Having Trimodal Pore Structure  
Wide mesoporous alumina composites are produced by an “in situ reaction” route comprising agglomeration of an alumina powder that is capable of rehydration together with a second reactive powder...
US20140030178 PROCESS TO ENHANCE MIXING OF DRY SORBENTS AND FLUE GAS FOR AIR POLLUTION CONTROL  
The disclosure provides an improved means of controlling mercury emissions from coal-fired boiler applications. Specifically, the disclosure comprises a static mixing device placed in the flue gas...
US20080050298 Method For Improving the HF Capture Efficiency of Dry Scrubbers  
The present invention provides, a method of reducing fluoride emissions from aluminum smelting including the steps of providing alumina at a preselected feed rate to pots containing an aluminum...
US20120020861 USE OF A TiO2- BASED COMPOSITION FOR CAPTURING HALOGENATED COMPOUNDS CONTAINED IN A GASEOUS MIXTURE  
The invention is concerned with the use of a TiO2-based composition for capturing halogenated compounds contained in a gaseous mixture, said composition comprising between 10 wt. % and 100 wt. %...
US20050106088 Halogen-containing gas absorbent, halogen-containing gas removal method,and halogen-containing gas processing apparatus  
A halogen-containing gas absorbent comprising a lithium-containing composite oxide such as lithium silicate having an average particle diameter of 50 μm to 3 mm can absorb a halogen-containing gas...
US20150110698 Process for Sulfur Dioxide, Hydrochloric Acid and Mercury Mediation  
Dry processes, apparatus, compositions and systems are provided for reducing emissions of sulfur oxides, and sulfur dioxide in particular, and/or HCl and/or Hg in a process employing a combination...
US20060140836 Process for decomposing fluorine compounds  
A fluorine compound having iodine within the molecule is decomposed by a decomposition reactive agent comprising alumina and an alkaline earth metal compound, the produced chlorine, fluorine...
US20070154372 Exhaust gas treatment agent, exhaust gas treatment method and exhaust gas treatment device  
The exhaust gas treatment agent of the present invention is an exhaust gas treatment agent provided with a particulate and porous structure, and composed of calcium hydroxide occupying at least a...
US20120251423 Methods For Reducing The Acidic Gas Content of Effluent Gases  
Methods for reducing the acidic gas content of effluent gas streams are disclosed. The methods generally involve reducing the acidic gas content of combustion gases passing through a duct by...
US20130045150 CATIONIC FIBERS HOSTING REACTIVE PEROXYGENATED RADICALS, AND METHODS OF MAKING AND USING THEM  
Disclosed are reactive fibers having a polycationic exterior surface to which multivalent peroxy anions are bound. The use of such fibers, mats of such fibers, and filters of such fibers, as well...
US20060024226 Catalyst and method for decomposition of perfluoro-compound in waste gas  
The present invention relates to a catalyst for the decomposition of exhausted perfluoro-compounds (PFCs) and a catalytic decomposition method of PFCs by using the same. More particularly, the...
US20150119623 BIOGAS PURIFICATION SYSTEM AND METHODS OF USE THEREOF  
The present disclosure relates to a biogas purification system and method for removal of sulfur and halogenated compounds and acidic reaction products from biogas. A contaminant removal module is...
US20140370289 METHODS AND ACTIVE MATERIALS FOR REDUCING HALIDE CONCENTRATION IN GAS STREAMS  
The present disclosure relates generally to methods and active materials for purifying gas streams containing halide as a contaminant, for example, in amounts as low as parts-per-million (ppm) or...
US20140056794 METHOD FOR TREATING EXHAUST GAS CONTAINING INORGANIC HALOGENATED GAS  
A method for treating exhaust gas, comprising first contacting exhaust gas comprising inorganic halogenated gas discharged from sources of the exhaust gas with Fe2O3 or synthetic zeolite and then...
US20130336868 Dry Processes, Apparatus, Compositions and Systems for Reducing Sulfur Oxides and HCl  
Dry processes, apparatus, compositions and systems are provided for reducing emissions of sulfur oxides, and sulfur dioxide in particular, and/or HCl in a process employing a combination of a...
US20070015937 PROCESS FOR RECOVERY OF FLUORINATED CARBOXYLIC ACID SURFACTANTS FROM EXHAUST GAS  
A process for recovering a fluorinated carboxylic acid or salts thereof from exhaust gas streams. The process includes contacting the exhaust gas stream with a composition capable of at least...
US20090081093 METHODS AND DEVICES FOR REDUCING HAZARDOUS AIR POLLUTANTS  
The disclosure provides methods and systems for sequestering and/or reducing sulfur oxides, nitrogen oxides and/or carbon dioxide present in industrial effluent fluid streams. A solid particulate...
US20130095018 UP-FLOW FLUIDIZED BED DRY SCRUBBER AND METHOD OF OPERATING SAME  
An up-flow fluidized bed dry scrubber and a method of operating same. The scrubber includes up-flow reactors. The reactors receive an exhaust gas flow containing pollutants and each reactor...
US20130343977 CONTINUOUS DIFFUSION DENUDING WITH MOVING DENUDING SURFACE  
A duct can be configured to receive a denuding gas flow. A solid denuding surface that is connected to a drive system can be configured to move the solid denuding surface within the duct while the...
US20070160512 Method for treating exhaust gas and apparatus for treating exhaust gas  
In the exhaust gas treatment method of the present invention, exhaust gas in an excited state in semiconductor device production equipment is introduced into a plasma treatment unit of a treatment...
US20070025902 RECOVERY OF FLUORINATED CARBOXYLIC ACID FROM ADSORBENT PARTICLES  
A process for the recovery of fluorinated carboxylic acid or derivative thereof from adsorbent particles on which fluorinated carboxylic acid or a salt thereof is adsorbed. The process includes...
US20090263302 Self-Concentrating Absorbent for Acid Gas Separation  
An process for efficiently deacidizing a gaseous mixture is described. The process utilizes a self-concentrating absorbent that absorbs an acid gas at reduced overall energy costs for the...
US20090232719 Apparatus for treating a gas stream  
Apparatus for treating a gas stream comprises a plurality of cylindrical proton conducting membranes. The gas stream is conveyed through the bore of each cylindrical membrane, and a...
US20090130012 METHOD FOR REMOVING HALOGEN SERIES GAS AND AGENT FOR REMOVING HALOGEN SERIES GAS  
To provide an agent for removing a halogen series gas and a method for removing a halogen series gas which is excellent in a removing ability of removing the present halogen series gas in a low...
US20050118085 Chamber cleaning or etching gas regeneration and recycle method  
A method for selecting, using, regenerating, and recycling fluorochemicals for plasma cleaning and etching steps for semiconductor device production is provided. This method comprises selection of...
US20120308461 Crosslinked Polymer-Carbon Sorbent for Removal of Heavy Metals, Toxic Materials and Carbon Dioxide  
A polymer-carbon sorbent for removing carbon dioxide, heavy metals and toxic materials from a flue gas from a combustion process, such as coal-fired power plants, is described. The sorbent...
US20090155154 APPARATUS FOR DECOMPOSING SUFLUR-FLUORINE-CONTAINING COMPOUND AND METHOD THEREOF  
The invention provides a method for decomposing sulfur-fluorine-containing compound and apparatus thereof. Sulfur-fluorine-containing compound is decomposed in two steps, comprising contacting the...
US20090101584 Reverse flow reactor with integrated separation and process for the employing this reactor  
The present invention pertains to a reverse-flow reactor comprising at least one catalyst bed which is preceded and followed by at least one bed containing selectively adsorbing material, and its...
US20110318932 Pyrolysis Methods, Catalysts, and Apparatuses for Treating and/or Detecting Gas Contaminants  
Processes for treating gas streams contaminated with fluorine-containing compounds, in addition to apparatuses for such treatment processes that may also be used to monitor the emission of these...
US20090104099 RICH GAS ABSORPTION APPARATUS AND METHOD  
The present invention relates to an apparatus comprising a co-current absorbing unit, a countercurrent absorbing unit, at least one absorbing liquid reservoir, and at least one liquid transferring...
US20100074821 APPARATUS AND METHOD FOR TREATING A GAS STREAM  
Apparatus for treating a gas stream comprises a nonthermal plasma reactor, for example a dielectric barrier discharge plasma reactor (30), containing a silicon- containing solid for reacting with...
US20130116112 COMPOSITE MEDIA FOR FLUID STREAM PROCESSING, A METHOD OF FORMING THE COMPOSITE MEDIA, AND A RELATED METHOD OF PROCESSING A FLUID STREAM  
A composite media including at least one crystalline aluminosilicate material in polyacrylonitrile. A method of forming a composite media is also disclosed. The method comprises dissolving...
US20100296991 METHOD AND DEVICE FOR PURIFYING THE FLUE GASES OF A SINTERING PROCESS OF ORES AND/OR OTHER MATERIAL-CONTAINING MATERIALS IN METAL PRODUCTION  
In a method for the purifying of the waste gases of a sintering process of ores in the production of metals, in which ore material is sintered with a solid fuel, with the combustion of the solids...
US20130280154 APPARATUS AND METHOD FOR TREATING PERFLUORO-COMPOUND  
The present invention discloses an apparatus and method for treating perfluoro-compounds (PFCs). The method for treating PFCs includes: (a) decomposing PFCs and eliminating a first acid gas...
US20110268639 METHOD AND A DEVICE FOR VERIFYING AND CONTROLLING THE REMOVAL OF HYDROGEN FLUORIDE FROM A PROCESS GAS  
A gas cleaning system (1) is designed for removing hydrogen fluoride from a process gas generated during the production of aluminium from alumina. The gas cleaning system (1) comprises a scrubbing...
US20170120189 METHOD OF INHIBITING FORMATION OF DIOXINS AND DIOXIN-LIKE COMPOUNDS IN SOLID WASTE INCINERATION FLUE GAS  
The present invention relates to a method for inhibiting the formation of dioxin-like compounds in solid waste incineration flue gases, belonging to the field of cleaning of solid waste...
US20170120188 PROCESS FOR THE PRODUCTION OF REACTIVE COMPOSITION PARTICLES BASED ON SODIUM CARBONATE AND REACTIVE COMPOSITION PARTICLES  
Process for the production of reactive composition particles comprising at least 60% by weight of sodium carbonate and having a BET specific surface of at least 4 m2/g, according to which...
US20170007962 PURIFICATION METHOD AND PURIFICATION APPARATUS FOR OFF-GAS  
The present invention relates to a purification method and a purification apparatus for off-gas. More specifically, the present invention relates to a purification method and a purification...
US20160332117 METHOD OF AND A SCRUBBER FOR REMOVING POLLUTANT COMPOUNDS FROM A GAS STREAM  
A scrubber for removing pollutant compounds from a gas stream. At least one gas channel introduces the gas stream to a lower portion of the scrubber. An inlet chamber directs the gas stream...
US20160236144 FLUE GAS TREATMENT SYSTEM AND METHOD  
The flue gas treatment system (1) comprises a reactor (2), a pre-separator (3) downstream of the reactor (2), a separator (4) such as a fabric filter downstream of the pre-separator (3), a...
US20160175775 PROCESS FOR ADSORBING HYDROGEN CHLORIDE FROM A REGENERATION VENT GAS  
A process for adsorbing hydrogen chloride (HCl) from a regeneration vent gas. The regeneration vent gas from a regeneration zone is cooled, and the cooled regeneration vent gas is passed to an...
US20160175774 PROCESS FOR ADSORBING HYDROGEN CHLORIDE FROM A REGENERATOR VENT GAS  
A process for adsorbing HCl from a regeneration vent gas. The regeneration vent gas from a regeneration zone is cooled, and the cooled regeneration vent gas is passed to an adsorption zone that is...
US20160166986 METHOD FOR PURIFICATION OF OFF-GAS AND DEVICE FOR THE SAME  
This disclosure relates to a method for purification of off-gas and a device for the same. More particularly, this disclosure relates to a method for purification of off-gas that removes hydrogen...

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