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9004911 Apparatus and method for solid fuel chemical looping combustion  
The disclosure provides an apparatus and method utilizing fuel reactor comprised of a fuel section, an oxygen carrier section, and a porous divider separating the fuel section and the oxygen...
8974757 Methods and systems for synthesizing iron-based materials and sequestering carbon dioxide  
Methods and systems for sequestering carbon dioxide and generating hydrogen are disclosed. In some embodiments, the methods include the following: dissolving an iron based material that includes a...
8808654 Process for sulfur removal from refinery off gas  
Organic sulfur compounds contained in refinery off gas streams having either high ort low concentrations of olefins are converted to hydrogen sulfides which can be then be removed using...
8741239 Method and apparatus for operation of CO/VOC oxidation catalyst to reduce NO2 formation for gas turbine  
A power generating apparatus including a gas turbine engine combusting a fuel in air to produce shaft power and producing a flow of exhaust gases including oxides of nitrogen (NOx), carbon...
8728424 Method and apparatus for carbon dioxide sequestration  
A method and apparatus are disclosed for sequestering carbon dioxide. Carbon dioxide and a reductant are fed into a combustion chamber and burned. The reductant forms an oxide with oxygen from the...
8709366 Configurations and methods for effluent gas treatment  
Sulfur oxides are removed from an oxygen-containing acid gas in configurations and methods in which oxygen is catalytically removed using hydrogen sulfide, and in which the sulfur oxides react...
8691175 Calcium sulfate and CO2 sequestration  
Systems, methods, and compositions are provided related to utilizing gypsum for CO2 sequestration to form solid products containing calcium carbonate.
8658116 Method of producing sulfur dioxide  
A method of producing sulfur dioxide is provided. A feed gas stream comprising at least 5% by volume hydrogen sulfide is provided. The feed gas stream is separated into a hydrogen sulfide stream...
8652428 System and method for removing a contaminant from a gas stream  
A system and method for removing contaminants from a gas stream is provided. The method can include the steps of reacting the gas stream with ozone to form solid contaminant particles and...
8617499 Minimization of steam requirements and enhancement of water-gas shift reaction with warm gas temperature CO2 removal  
The disclosure utilizes a hydroxide sorbent for humidification and CO2 removal from a gaseous stream comprised of CO and CO2 prior to entry into a water-gas-shift reactor, in order to decrease CO2...
8574522 Process for selective oxidative dehydrogenation of a hydrogen-containing CO mixed gas  
A process for selective oxidative dehydrogenation of a hydrogen-containing CO mixed gas, comprising contacting a hydrogen-containing CO mixed gas raw material with at least one catalyst entity...
8574521 Gas stream purification apparatus and method  
An apparatus and method for removing contaminants from a gas stream is provided which includes (a) introducing the gas stream into a reaction chamber of a scrubber; (b) oxidizing first...
8557206 Configurations and methods for effluent gas treatment  
Methods and configurations are drawn to a plant in which an effluent gas (102) comprising oxygen and sulfur dioxide is catalytically reacted with hydrogen sulfiden (148) and hydrogen and/or carbon...
8529856 Method and apparatus to sequester CO2 gas  
The present invention is directed to methods to sequester oxides of carbon to prevent them from entering the atmosphere as gases. More specifically, this invention is directed to methods of...
8425666 Back pressure-matched, integrated, environmental-remediation apparatus and method  
Production brines are used to scrub a horizontal stack receiving exhaust from an energy source, controlling, reducing, or both noxious chemicals. Mutual remediation of flows from petroleous...
8420045 Use of redox mass having a spinel type structure for a looping redox process  
The invention relates to the use of a novel type of active mass in looping redox processes. Said mass contains a spinel of formula Cu1−xFe1+xAlO4 with 0≦x≦0.1. The active mass according to the...
8366932 Micro-aeration of sulfide removal from biogas  
A novel method for treating sulfide-containing wastewater is described which involves treating sulfide-laden biogas produced in a bioreactor in a sulfide oxidizing unit (SOU). Oxidation in the SOU...
8361421 Method of treating a syngas stream and an apparatus therefor  
The present invention provides a method of treating a raw syngas stream and an apparatus therefor. In the method a raw syngas stream is passed to a hydrolysis unit to provide a hydrolysed syngas...
8226912 Method of treating a gaseous mixture comprising hydrogen, carbon dioxide and hydrogen sulphide  
A gaseous mixture, comprising CO2, H2, H2S and optionally CO, is separated into an H2 or H2 and CO product stream (H2/CO product stream), and a CO2 enriched stream containing at least one...
8012441 Method for isolating hydrogen sulphide from coke oven gas with the subsequent recovery of elemental sulphur in a Claus plant  
The invention relates to a method for isolating hydrogen sulphide from coke-oven gas with the subsequent recovery of elemental sulphur in a Claus plant. The hydrogen sulphide is eliminated from...
7964170 Method and apparatus for the removal of carbon dioxide from a gas stream  
The invention provides methods and apparatuses for removing carbon dioxide from a gas stream. In particular, the invention provides methods and apparatuses for absorbing carbon dioxide from a...
7935324 Integrated warm gas desulfurization and gas shift for cleanup of gaseous streams  
The present invention involves a catalytic process for purifying a gas stream comprising purifying the gas stream at a temperature from about 250° to 550° C. by removing sulfur compounds and...
7837974 Method for heating and partial oxidation of a steam/natural gas mixture after a primary reformer  
By means of a method and a system for heating and partial oxidation of not separately pre-heated, pre-reformed steam/natural gas mixture for an NH3 synthesis gas, whereby energy is supplied to the...
7815879 Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters  
Methods and apparatuses are described for contacting an oxidizing solution such as an aqueous hydrogen peroxide composition of hydrogen peroxide and at least one additive that catalyzes the...
7749481 System and process for gas sweetening  
A method for removing hydrogen sulfide from a sour gas stream comprising hydrogen sulfide by oxidizing hydrogen sulfide in a converter by contacting the sour gas stream with an aqueous catalytic...
7695701 Process for treating acid gas in staged furnaces with inter-stage heat recovery  
A process for treating acid gas comprising hydrogen sulfide comprises introducing a first acid gas into a reducing furnace to produce a first oxidized gas stream, cooling the first oxidized gas...
7674443 Zero emission gasification, power generation, carbon oxides management and metallurgical reduction processes, apparatus, systems, and integration thereof  
A system involving a two-step gasification of a carbonaceous source to produce bulk hydrogen that avoids the early formation of CO2 and obviates the traditional water gas shift (WGSR) step,...
7608231 Process for the continuous removal of hydrogen sulfide from gaseous streams  
Process for the removal in continuous of hydrogen sulfide from gaseous streams containing it, comprising: a) putting a gas containing H2S in contact with an oxidizing acid aqueous solution of...
7550123 Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters  
Methods and apparatuses are described for contacting an oxidizing solution such as an aqueous hydrogen peroxide composition of hydrogen peroxide and at least one additive that catalyzes the...
7498008 Process of gas treatment to remove pollutants  
A process for the removal of a pollutant from a gas is provided that includes contacting a gas comprising a pollutant with a cataloreactant wherein the cataloreactant reacts with the pollutant and...
6949230 Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them  
This invention relates to gas-impermeable, solid state materials fabricated into membranes for use in catalytic membrane reactors. This invention particularly relates to solid state oxygen anion-...
6919059 Process and apparatus for recovering sulphur from a gas stream containing sulphide  
Oxygen or oxygen-enriched air is employed to support combustion in furnaces (16) and (26) of part of the hydrogen sulphide content of a first feed gas stream. Sulphur vapour is extracted in...
6902713 Method for partially oxidizing a gas stream comprising hydrogen sulphide and ammonia  
A method for partially oxidizing, in a Claus furnace, at least one gas containing hydrogen sulfide and ammonia with at least one gas rich in oxygen. The residual ammonia content at the outlet of...
6849571 Catalyst for selectively oxidizing carbon monoxide  
A catalyst (5) for selectively oxidizing carbon monoxide, wherein a noble metal (3) and an active oxygen supply material (4) capable of oxidizing carbon monoxide are supported on a substrate (6)....
6776974 Process for the production of sulfur  
A process is provided for producing elemental sulfur from hydrogen sulfide contained in an acid gas feed stream wherein hydrogen sulfide and sulfur dioxide are reacted in a catalytic only sulfur...
6645459 Method of recovering sulfurous components in a sulfur-recovery process  
H2S is removed from an H2S-rich gas, and sulfur is produced, by a process in which the H2S-rich gas is reacted with SO2 in a reactor in the presence of an organic solvent and a catalyst, an...
6641626 Mixed ionic and electronic conducting ceramic membranes for hydrocarbon processing  
The invention relates to mixed phase materials for the preparation of catalytic membranes which exhibit ionic and electronic conduction and which exhibit improved mechanical strength compared to...
6579506 Treatment of gas streams containing reduced sulfur compounds  
Gas streams containing non-condensible gases (NCG's) including reduced sulfur compounds, such as hydrogen sulfide, dimethyl sulfide, dimethyl disulfide and mercaptans, are treated to remove the...
6517803 Highly crystalline Mn2O3 or Mn3O4 manganese oxides  
The present invention includes lithium manganese oxide spinel compounds having a low porosity, a high tap density and a high pellet density, and methods of preparing these compounds. In...
6503471 Process for malodorous gas treatment  
Malodorous gases such as amines, organosulfur compounds, hydrogen sulfide, styrene and aldehydes are economically and efficiently treated at ambient temperature and pressure by a catalytic...
6485697 Methods for removing sulfur containing compounds and carbon dioxide from gas mixtures  
Process for the removal of carbon dioxide (CO2) and minor sulfur compounds—mainly hydrogen sulfide (H2S)—from a sour gas mixture, such as natural gas, iron ore reduction gas, etc. The process uses...
6383261 Process for management of industrial wastes  
The present invention provides a process for the management of H2S containing gas streams and high alkalinity water streams in which process the H2S is selectively removed from the gas stream and...
6375907 Hydrogen sulfide abatement with scale control and/or well acidizing  
The emissions of hydrogen sulfide during the production of natural gas, oil or geothermal fluids from subterranean formations and the subsequent processing of these fluids is reduced by converting...
6355219 Nickel-alumina aerogel catalyst for carbon dioxide reforming of methane and the preparation method thereof  
The present invention relates to a method of containing nickel into the alumina aerogel prepared by sol-gel method and supercritical drying and of preparing the nickel-alumina hybrid aerogel...
6328940 Process for partial oxidation of a gas stream containing hydrogen sulphide  
Process for partial oxidation in a Claus furnace of at least one gas stream having hydrogen sulphide, and including the steps of: (a) injecting at least one gas stream including hydrogen sulphide...
6083472 Method for continuously producing thiosulfate ions  
A process is provided for the removal of hydrogen sulfide out of a gas stream by contacting the hydrogen sulfide contaminated gas with a solution of chelated metal catalyst, such as iron EDTA, in...
6068822 Desulforization method and desulfurization apparatus in geothermal power plant  
An uncondensed gas in steam discharged from a turbine in a geothermal power plant and separated from water with a condenser is treated by a desulfurization method comprising the combustion step of...
6033640 Method for the reagentless removal of nitrogen oxides from exhaust streams  
The method for the reagentless removal of nitrogen oxides from oxygen rich exhaust streams which includes impinging the exhaust gases upon a catalyst which includes a Lewis base metal cation,...
6030494 Method of treating melodorous gases of a pulp mill  
A method is provided for reducing emissions of harmful nitrogen compounds from a pulp mill (e.g. kraft mill) having malodorous gases which include ammonia and reduced sulphur compounds therein....
6019953 Process for gas incineration  
There is provided a process for the incineration of gases containing sulphur compounds by contacting these gases with an oxygen-containing gas in the presence of a catalyst composition comprising...

Matches 1 - 50 out of 283 1 2 3 4 5 6 >