Matches 1 - 50 out of 69 1 2 >


Match Document Document Title
US20110158875 SELECTIVE CATALYTIC OXIDATION OF AMMONIA TO WATER AND NITROGEN  
A catalyst includes a platinum coating deposited on a silica support. The support has an average surface area between about 100 m2/g and about 120 m2/g. The platinum coating is between about 5 wt...
US20120093705 METHOD FOR TREATING REFINERY WASTE STREAMS IN A FLUID CATALYTIC CRACKING UNIT AND AN IMPROVED CATALYTIC CRACKING UNIT FOR PROCESSING REFINERY WASTE STREAMS  
A method of processing the waste stream includes introducing the waste stream into the Fluid Catalytic Cracking Unit 10 such that waste stream is processed within the regenerator unit 12 or in CO...
US20150191353 CATALYST STRUCTURES  
A catalyst structure suitable for use in an ammonia oxidation process is described including a plurality of shaped catalyst units supported on one or more members in a spaced relationship that...
US20130039828 CATALYST STRUCTURES  
A catalyst structure suitable for use in an ammonia oxidation process is described including a plurality of shaped catalyst units supported on one or more members in a spaced relationship that...
US20120208691 Copper Containing Levyne Molecular Sieve For Selective Reduction Of NOx  
Aspects of the present invention relates to a copper containing Levyne molecular sieve having a silica to alumina mole ratio less than 30 and a Cu:Al atomic ratio less than 0.45, wherein the...
US20120009108 Combined Waste Gas Treatment Of Waste Gas Streams Containing Ammonia And Nitrogen Oxides In Industrial Plants  
Combined removal of both ammonia from an ammonia-containing waste gas and nitrogen oxides from a nitrogen oxide-containing waste gas in a combined ammonia/urea synthesis plant is accomplished by...
US20070059228 Selective catalytic oxidation of ammonia to water and nitrogen  
A catalyst includes a platinum coating deposited on a silica support. The support has an average surface area between about 100 m2/g and about 120 m2/g. The platinum coating is between about 5 wt...
US20140179628 DEWATERING BIOMASS MATERIAL COMPRISING POLYSACCHARIDE, METHOD FOR EXTRACTING POLYSACCHARIDE FROM BIOMASS MATERIAL, AND DEWATERED BIOIMASS MATERIAL  
A process for dewatering biomass material comprising polysaccharide and water. The process comprises wetting the biomass material with a wetting composition comprising an alcohol to form a biomass...
US20140248202 PROCESS FOR INCINERATING NH3 AND A NH3 INCINERATOR  
This invention relates to a process for incinerating NH3 in an NH3 incinerator comprising a first incineration step at controlled sub-stoichiometric incineration conditions and a second...
US20150031526 TUNGSTEN/TITANIA OXIDATION CATALYST  
A catalyst article for treating an emission gas is provided comprising (a) an oxidation catalyst comprising at least one noble metal on a WO3—TiO2 support, wherein the support contains about 1 to...
US20140154163 AMMONIA OXIDATION CATALYST  
Provided is a catalyst article for treating an emission gas comprising (a) a noble metal catalyst layer comprising one or more noble metals disposed on a first refractory metal oxide support; and...
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...
US20140212350 AMMONIA OXIDATION CATALYST  
A catalyst article for treating an emission gas is provided comprising (a) a first catalyst layer having a plurality of consecutive sub-layers, wherein each sub-layer includes vanadium on a first...
US20100284875 TREATMENT OF POWER UTILITIES EXHAUST  
Provided is a process for treating nitrogen oxide-containing exhaust produced by a stationary combustion source by the catalytic reduction of nitrogen oxide in the presence of a reductant...
US20110217217 Nanocomposite Materials Comprising Metal-Organic-Framework Units and Graphite-Based Materials, and Methods of Using Same  
The present invention relates to nanocomposite materials comprising: graphite-based material dispersed among transition metal-organic framework (MOF) units, wherein the graphite-based material is...
US20080241033 Ammonia storage for on-vehicle engine  
Ammonia is used as precursor source of hydrogen fuel in an on-vehicle internal combustion engine. Ammonia is stored as, for example, a ligand in an on-vehicle transition metal composition. Upon...
US20100089110 CARBON DIOXIDE SCRUBBING WITH AMMONIUM CARBONATE AND AMMONIA VAPOR CONTROL  
A method for removing carbon dioxide from a gas stream and controlling ammonia vapor by scrubbing the carbon dioxide from the gas stream with ammonium carbonate, thereby producing ammonia vapor...
US20090044737 Process for Efficient Energy Recovery from Biomass  
A method for extracting energy from biomass depleted of at least some carbohydrate, at least some oil, or both by a) introducing the biomass into a vertically elongated combustion chamber having...
US20140079616 CATALYSTS FOR THE REDUCTION OF AMMONIA EMISSION FROM RICH-BURN EXHAUST  
A system for reducing ammonia (NH3) emissions includes (a) a first component comprising a first substrate containing a three-way catalyst, wherein the first component is disposed upstream of a...
US20110182791 CATALYSTS FOR THE REDUCTION OF AMMONIA EMISSION FROM RICH-BURN EXHAUST  
A system for reducing ammonia (NH3) emissions includes (a) a first component comprising a first substrate containing a three-way catalyst, wherein the first component is disposed upstream of a...
US20100303695 METHOD AND PLANT FOR THE TREATMENT OF EFFLUENTS CONTAINING NITROGEN IN A SEQUENCING BATCH REACTOR  
Method for the treatment of effluents containing nitrogen in the form of ammonium, according to which: a volume of effluent to be treated in a complete cycle is introduced into the batch reactor...
US20140186250 CARBONYL FUNCTIONALIZED POROUS INORGANIC OXIDE ADSORBENTS AND METHODS OF MAKING AND USING THE SAME  
An adsorbent material comprising a porous inorganic oxide material grafted with a molecule comprising a carbonyl functional group is provided. The porous inorganic oxide material can be a porous...
US20080047313 ACID-IMPREGNATED ACTIVATED CARBON AND METHODS OF FORMING AND USING THE SAME  
An acid-impregnated activated carbon matrix is formed from a carbonaceous material by the addition of a mineral acid, and may be used to chemisorb ammonia from a gas stream. The ammonia reacts...
US20140170045 PLATINUM GROUP METAL (PGM) CATALYST FOR TREATING EXHAUST GAS  
Provided are catalysts comprising a small pore molecular sieve embedded with platinum group metal (PGM) and methods for treating lean burn exhaust gas using the same.
US20110110835 Catalyst for decomposing nitrous oxide and method for performing processes comprising formation of nitrous oxide  
The present invention relates to a catalyst comprising 0.1-10 mol % Co3-xMxO4, where M is Fe or Al and x=0-2, on a cerium oxide support for decomposition of N2O in gases containing NO. The...
US20150017082 PROCESS FOR ELIMINATION OF HEXAVALENT CHROMIUM COMPOUNDS ON METALLIC SUBSTRATES WITHIN ZERO-PGM CATALYST SYSTEMS  
Systems and Methods for manufacturing ZPGM catalysts systems that may allow the prevention of formation or the conversion of corrosion causing compounds, such as hexavalent chromium compounds,...
US20100290965 COMBUSTION FLUE GAS NOx TREATMENT  
Combustion flue gas containing NOX and SOX is treated to remove NOX in a multistep system in which NOX is reduced in the flue gas stream via selective catalytic reduction or selective...
US20100296990 Dry Scrubbing Air Filtration Media  
A solid air filtration medium includes an impregnate with an organic amine and an inorganic metal salt. The medium has from about 0.1 to about 25% by weight of impregnate. The impregnate contains...
US20090246108 Method For Removing Ammonia From Fluid Streams  
A method for the removal of ammonia and its salts from fluid compositions. The method comprises contacting the fluid compositions with a scavenger on a solid support.
US20090087367 Ammonia Oxidation Catalyst for Power Utilities  
The present invention is directed to a method for removal by oxidation of the excess ammonia (NH3) gas (“ammonia slip”) resulting from flue gases that have been subjected to selective catalytic...
US20120244066 Process For The Preparation Of Zeolites Having CHA Structure  
The present invention relates to a process for the preparation of zeolites having CHA framework structure and a composition comprising the molar ratio (n SiO2):X2O3, wherein X is a trivalent...
US20050123463 Treatment of exhaust gases  
An exhaust gas from a chemical vapour deposition process may contain ammonia and metalorganic vapour, such as TMG. In a treatment process to remove these substances from the exhaust gas, the...
US20060099123 Utilisation of waste gas streams  
In a process and apparatus for utilisation of an ammonia-containing waste gas stream from a semiconductor processing step, ammonia contained in the waste gas stream is decomposed, for example, in...
US20140161699 Method and System for Anhydrous Ammonia Recovery  
An apparatus for recycling exhaust gas includes a vessel containing a reversible ammonia sorber material which is exothermic when sorbing (“loading”) ammonia and which is endothermic when...
US20080247927 Ammonia Destruction Methods for Use in a Claus Tail Gas Treating Unit  
Oxidative and reductive methods are described for the cost-effective destruction of an ammonia-bearing gas stream, potentially containing minor but significant quantities of hydrogen sulfide...
US20110256046 PROCESS FOR PRODUCING AMMONIUM SALTS  
In one embodiment, the invention is to a process for producing an ammonium salt composition. The process comprises the step of providing a process stream comprising sulfuric acid, methylene...
US20080276842 SYSTEM AND METHOD FOR DECREASING NOx EMISSIONS FROM A FLUIDIZED BED COMBUSTION SYSTEM  
Disclosed herein is a NOx reducing system comprising a first inner conduit in fluid communication with a reactant source; and a first outer conduit comprising an open end for receiving the first...
US20100143223 Denitrification Catalyst, Honeycomb Structure Type Denitrification Catalyst, and Method of Denitrification with the Same  
A denitrification catalyst and a honeycomb structure type denitrification catalyst which are used for efficiently removing nitrogen oxides through reduction from exhaust gases discharged from,...
US20110256045 PROCESS FOR PRODUCING AMMONIUM SALTS  
In one embodiment, the invention is to a process of producing an ammonium salt composition. The process comprises the step of providing a process stream comprising sulfuric acid and at least one...
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...
US20080112870 CATALYSTS FOR DUAL OXIDATION OF AMMONIA AND CARBON MONOXIDE WITH LOW TO NO NOX FORMATION  
Catalysts, catalyst systems, and methods for removing ammonia and/or carbon monoxide in flue gases are provided where ammonia is used with a selective catalytic reduction catalyst for reducing...
US20060029534 Process for treating ammonia-containing exhaust gases  
A method for reducing ammonia emissions in combustion exhaust gases and other waste streams using an oxidation catalyst, whereby unreacted ammonia (ammonia “slip”) is reduced downstream of a...
US20100266469 REMOVAL OF AMMONIA FROM FLUIDS  
A method and equipment for removing ammonia from effluent, flue or waste fluids that include oxygen. The method includes at least the following stages: Part of the fluid (1) is conveyed to a...
US20090060809 Ammonia Decomposition Catalyst and Process for Decomposition of Ammonia Using the Catalyst  
Disclosed is a catalyst useful for catalytic decomposition of high concentration ammonia, and also disclosed is a process for decomposing ammonia using the catalyst. As the ammonia decomposion...
US20080292519 Bifunctional Catalysts for Selective Ammonia Oxidation  
Catalysts, methods, and systems for treating diesel engine exhaust streams are described. In one or more embodiments, the catalyst comprises platinum, a second metal from one of the groups VB,...
US20090274936 CARBON MONOXIDE CATALYST SYSTEM TO REMOVE CO  
The present invention provides an apparatus and method for removing CO gas from gas streams or static air. One application of interest in removing CO from air to provide clean air to breathe or...
US20120046370 PROCESS FOR PRODUCING A PURIFIED SYNTHESIS GAS STREAM  
A process for producing a purified synthesis gas stream from a feed synthesis gas stream comprising besides the main constituents carbon monoxide and hydrogen also hydrogen sulphide, HCN and/or...
US20100196233 APPLICATIONS OF METAL COMPLEX COMPOUNDS  
The present invention provides a method for binding gaseous molecules, the method comprising contacting gases comprising the gaseous molecules with trivalent metal complexes. Typically, the...
US20130224094 AMMONIA DESTRUCTION METHODS FOR USE IN A CLAUS TAIL GAS TREATING UNIT  
Oxidative and reductive methods are described for the cost-effective destruction of an ammonia-bearing gas stream, potentially containing minor but significant quantities of hydrogen sulfide...
US20140212349 PROCESS AND DEVICE FOR THE PURIFICATION OF WASTE GASES  
For the purification of waste gas containing nitrogen oxides in combination with CO, VOCs or nitrous oxide, in particular waste gas resulting from the production of cement clinker, nitric acid,...

Matches 1 - 50 out of 69 1 2 >