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9028568 System for treating carbon dioxide  
A system includes a carbon dioxide treatment system that includes a catalyst configured to treat carbon dioxide to produce a treated carbon dioxide. The system also includes a gasifier injector...
9005566 Staged combustion of sulfureous combustible effluents with recovery of the sulfur in the claus process  
A process for advantageously efficiently treating a sulfureous combustible effluent stream by recovering the sulfur in elemental form comprises a step of combustion of the sulfureous combustible...
8986638 Catalytic oxidation of sulphide species  
The present invention relates to a process for the catalytic oxidation of sulphide, mono- and/or dihydrogen sulphide, comprising the step of contacting the sulphide, mono- and/or dihydrogen...
8968692 Regenerable removal of sulfur from gaseous or liquid mixtures  
The present invention relates to a method for removing sulfur from a gaseous or liquid mixture. This method involves contacting the gaseous or liquid mixture with an iron-enriched matrix under...
8900544 Sulfur removal methods  
A method for removing sulphur from a fluid by the steps of providing a first fluid comprising a sulphur-containing compound; adsorbing the sulphur of sulphur-containing compound onto an adsorbent;...
8871176 Process for reducing sulfur emission of sulfur plant  
The present invention provides a process for reducing sulfur emission of a sulfur plant, wherein the sulfur plant includes a thermal reaction unit, a catalytic reaction unit and a tail-gas...
8828351 H2S conversion to sulfur using a regenerated iodine solution  
Systems and methods of removing sulfur from a gas stream comprising hydrogen sulfide (H2S) is provided. The systems and methods may utilize iodine to remove sulfur from the gas stream. In certain...
8778297 Sulfur recovery unit and sulfur recovery method  
A sulfur recovery unit comprising: a reaction furnace configured to carry out a high-temperature Claus reaction between hydrogen-sulfide-containing gas and oxygen-containing gas introduced to the...
8722003 Apparatus and method to produce synthetic gas  
A system and method of capturing carbon dioxide from a flow of raw synthesis gas generated in a gasification system are provided. The carbon capture system includes an acid gas removal subsystem...
8702994 Sodium nitrite oxidation of hydrogen sulfide  
A method for treating hydrogen sulfide in a solution includes providing the solution containing hydrogen sulfide. The method also includes adding sodium nitrite to the solution in an amount...
8685236 Methods and systems for treating sour water  
A method of removing contaminates from sour water is provided. The method includes producing raw sour water within a syngas production system, and removing the contaminates from the raw sour water...
8668894 Method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor  
The present invention relates to a method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor. The method comprises introducing the sulfur-containing gas into the...
8664462 Method of processing feed streams containing hydrogen sulfide  
A method of processing feed streams high in hydrogen sulfide is provided. The method includes providing a feed gas stream that includes hydrocarbons and at least 5 vol % hydrogen sulfide. At least...
8650876 Method and device to remove hydrogen sulfide from steam condensate in a geothermal power generating unit  
Ammonia sometimes present in geothermal steam increases the solubility of hydrogen sulfide in the steam condensate produced by the surface condenser in a steam cycle geothermal power generating...
8652435 High pressure reduction-oxidation desulfurization process  
An improved process for reduction-oxidation desulphurization uses an oxidizer operating at a pressure greater than the absorber where a liquid reduction-oxidation catalyst solution contacts a...
8598059 Process for sulfurizing hydrocarbon treatment catalysts  
The present invention relates to a process for sulfurizing a hydrocarbon treatment catalyst, comprising: at least a first step of depositing, on the surface of the catalyst, one or more...
8597581 System for maintaining flame stability and temperature in a Claus thermal reactor  
A system may include a sulfur recovery unit. The sulfur recovery unit may include an acid gas supply, which may supply acid gas, an oxygen supply, which may supply oxygen, a fuel supply, which may...
8591846 Method and device for processing sour gas rich in carbon dioxide in a Claus process  
A method and apparatus for processing a sour gas rich in carbon dioxide in a Claus process, so sulfur compounds are removed by a selective solvent in a gas scrubbing process. Sulfur components and...
8580208 Reactor and method for production of hydrogen sulphide  
The present invention describes a reactor (1) for continuously preparing hydrogen sulfide H2S from hydrogen and sulfur, comprising a distributor device (15) for distributing gaseous hydrogen in a...
8574539 Process for selective oxidation of hydrogen sulphide  
The present invention provides a process for the selective oxidation of hydrogen sulphide in a hydrogen sulphide-containing hydrocarbon and/or hydrogen feed gas to elemental sulphur in a reaction...
8568676 Process for workup of a carbon dioxide-rich gas to be freed of sulfur components  
A process for workup of an industrial carbon dioxide-rich gas to be freed of sulfur components, in which an industrial gas to be freed of sulfur components is purified by a gas scrubbing, and the...
8545793 Device and method for condensing, separating, and storing liquid sulfur in a Claus plant  
A device for condensing, separating, and storing sulfur in a Claus plant. having a Claus furnace, waste heat boiler, and Claus reactor. Plant parts are supported on a floor or comparable device,...
8527071 Adaptive control system for a sulfur recovery process  
Control of a process for producing free sulfur from hydrogen sulfide is accomplished by manipulating the flow rate of a feed stream containing oxygen to a furnace in such a manner that a desired...
8501149 H2S conversion to sulfur using a regenerated iodine solution  
Systems and methods of removing sulfur from a gas stream comprising hydrogen sulfide (H2S) are provided. The systems and methods may utilize iodine to remove sulfur from the gas stream. In certain...
8501135 Process for the removal of sulfur compounds from gas streams  
A method of reducing sulfur compounds from an incoming gas stream, comprising flowing the gas stream over a hydrolysis catalyst to convert COS and CS2 to H2S and reduce SO2 to elemental sulfur to...
8496906 Biological oxidation of hydrogen sulphide in a psychrophilic anaerobic digestion bioreactor subjected to microaerobic conditions  
A biological process for removing hydrogen sulphide from biogas is disclosed. The process involves injecting a small quantity of air into the gas phase or the liquid phase of a psychrophilic...
8486365 Process of conversion of hydrogen sulfide into elemental sulfur on solid oxide catalysts  
To minimize the inhibitory effect of sulfur on the oxidation of hydrogen sulfide with oxygen in a gas stream on the solid catalysts, first, the elemental sulfur content in the gas stream is...
8449860 Method and system for recovering sulfur in the thermal stage of a Claus reactor  
Method and system are presented for the combustion of hydrogen sulfide mixed with other gases for simultaneous recovery of sulfur and energy from hydrogen sulfide at higher efficiency. The amounts...
8425874 Process for the production of sulfur from sulfur dioxide with tail gas recycle  
The reduction of the gas stream containing sulfur dioxide to elemental sulfur is carried out by reacting a reducing gas, such as natural gas, methanol or a mixture of hydrogen and carbon monoxide,...
8377402 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...
8241603 Process and system for removing sulfur from sulfur-containing gaseous streams  
A multi-stage UCSRP process and system for removal of sulfur from a gaseous stream in which the gaseous stream, which contains a first amount of H2S, is provided to a first stage UCSRP reactor...
8236276 System and method for sulfur recovery  
A sulfur recovery system for recovering sulfur from a sulfur plant feed stream including a first sulfur removal system and a second sulfur removal system. The system includes a sulfur plant feed...
8206669 Method and apparatus for treating a sour gas  
A feed gas comprising CO2, H2S and H2 is treated to produce an H2-enriched product and a CO2 product. The feed gas is separated by pressure swing adsorption to provide a stream of the H2-enriched...
8178070 Air demand feedback control systems and methods for sulfur recovery units  
A Claus plant with multiple parallel thermal stages that provide a combined effluent to downstream catalytic stages includes a controller that allows independent and individual control for each of...
8137634 Fission reactor for a Claus plant  
The invention relates to a fission reactor (1) for a Claus plant, comprising a fireproof lined boiler (9), which contains a combustion chamber (2) with an influx opening for a mixture of fuel gas,...
8062619 Process and device for desulfurization of a gas, comprising a stage for elimination of sulfur by cooling a gas stream  
A process and apparatus for the treatment of a gas that contains hydrogen sulfide and sulfurous anhydride, in which: a) the gas (3) contacts with an organic solvent (1) containing a catalyst in a...
8021624 Reactor, and method for the production of hydrogen sulfide  
The invention relates to a reactor (1) and a process for continuously preparing H2S by converting a reactant mixture which comprises essentially gaseous sulfur and hydrogen over a catalyst,...
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...
7988767 Hydrocarbon based sulfur solvent systems and methods  
Contemplated configurations and methods for elemental sulfur removal from various gases, and especially well acid gases employ a hydrocarbon solvent that dissolves the sulfur to form a rich...
7985397 Method of treating hydrogen sulfide, method of producing hydrogen, and photocatalytic-reaction apparatus  
A method of treating hydrogen sulfide or producing hydrogen which comprises disposing a liquid tank having a photocatalyst electrode comprising a photocatalyst and a liquid tank having a metal...
7951353 Flow control method and apparatus for a continuous multiple zone mass transfer  
An apparatus and method of contacting a liquid with different gases sequentially in separate mass transfer zones within a single vessel, the mass transfer zones operatively in fluid communication...
7901646 System and method for sulfur recovery  
Disclosed herein are various types of systems and methods for the efficient production of sulfur from a sulfur-laden gas. The system described herein includes a desulfurization unit, a regenerator...
7901655 Process for producing a gas stream depleted of hydrogen sulphide  
A process for treating a gas stream comprising H2S that includes the step of selectively oxidizing the H2S of the gas stream within a catalytic zone containing an oxidation catalyst and in the...
7887777 Method and device for continuous production of hydrogen sulphide  
Hydrogen sulfide H2S is prepared from a crude gas stream containing H2S and polysulfanes (H2Sx). The crude gas stream is passed at temperatures of from 114 to 165° C. through catalytically active...
7837970 Process and plant for the production of sulphuric acid  
The invention relates to a process and plant for producing sulphuric acid by catalytic oxidation of SO2 to form SO3 in a converter with at least one contact stage, the SO3-containing process gas,...
7833502 Integrated process for the production of hydrogen from hydrogen sulphide  
A process to efficiently remove sulfur compounds from a hydrocarbon stream in a refinery operation includes the production and recycle of hydrogen from the sulfur compounds. The sulfur compounds...
7824638 Process for catalytic tail gas incineration  
This disclosure relates generally to processes for efficient incineration and conversion of the tail gas streams from sulfur recovery units containing sulfur compounds such as H2S, CO2, COS, CS2,...
7811544 Sulfur recovery process  
A method for recovering sulfur from a sulfur-bearing process gas stream in which a process gas stream comprising H2S and/or SO2 is contacted with a lean mixture of a lean UCSRP solution and a...
7803339 Method for disposal of di-sulphide compounds  
The invention provides a method for disposal of di-sulphide compounds having the general formula of R—S—S—R, wherein R is an alkyl group, the method comprising the steps of: (a) combusting said...
7727507 Process for producing a gas stream depleted of hydrogen sulphide  
A process for treating a gas stream comprising H2S that includes the step of selectively oxidizing the H2S of the gas stream within a catalytic zone containing an oxidation catalyst and in the...

Matches 1 - 50 out of 269 1 2 3 4 5 6 >