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Hydrogen Sulfide patents

      

This page is updated frequently with new Hydrogen Sulfide-related patent applications.




 Self-fusing silicone tape for sensing hydrogen and hydrogen sulfide gas leaks patent thumbnailSelf-fusing silicone tape for sensing hydrogen and hydrogen sulfide gas leaks
This invention relates to a tape product, and method of manufacturing the product, which incorporates a gas sensing pigment that causes the tape to change color upon exposure to gases such as hydrogen or hydrogen sulfide. The gas sensing pigment is compounded together with a silicone rubber to produce a self-fusing silicone tape which may be applied in a variety of industrial environments where hydrogen or hydrogen sulfide gas leakage is a concern.
Element One, Inc.


 Processes and compositions for scavenging hydrogen sulfide patent thumbnailProcesses and compositions for scavenging hydrogen sulfide
Processes and compositions for scavenging hydrogen sulfide from hydrocarbon streams are disclosed that reduce, if not substantially eliminate, the formation of crystalline or amorphous solids even under cold conditions. The compositions used in the processes comprise a hexahydrotriazine component and an amphiphilic component that form a hydrophobic micelle when the hexahydrotriazine component becomes spent..
Coastal Chemical Co., L.l.c.


 Systems and methods for degassing of sulfur patent thumbnailSystems and methods for degassing of sulfur
Contemplated systems and methods for removing polysulfides and hydrogen sulfide from liquid sulfur of a claus plant include (a) physically separated steps of catalytic decomposition of polysulfides and gas stripping, or (b) use of the stripping gas as the continuous phase in a packed column with decomposition catalyst to so avoid catalyst attrition.. .
Fluor Technologies Corporation


 Light emitting device and  manufacturing the same patent thumbnailLight emitting device and manufacturing the same
A light emitting device includes a base member including a conductive member containing silver. A light emitting element has an upper surface below an upper surface of a side wall portion.
Nichia Corporation


 Hydrogen sulfide scavengers patent thumbnailHydrogen sulfide scavengers
Disclosed herein are scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compounds and compositions as scavengers, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas..
Ecolab Usa Inc.


 Composition for removal of sulfur-containing compounds patent thumbnailComposition for removal of sulfur-containing compounds
Disclosed is a composition capable of removing safely and efficiently a sulfur-containing compound contained in a hydrocarbon, particularly hydrogen sulfide, an —sh group-containing compound, or a mixture thereof. Provided is a composition for removal of a sulfur-containing compound in a hydrocarbon, the sulfur-containing compound being hydrogen sulfide, an —sh group-containing compound or a mixture thereof: the composition containing a dialdehyde having 6 to 16 carbon atoms as an active ingredient..
Kuraray Co., Ltd.


 Decontamination of sulfur contaminants from hydrocarbons patent thumbnailDecontamination of sulfur contaminants from hydrocarbons
A method for removing hydrogen sulfide from a hydrocarbon. The method comprises introducing methylmorpholine-n-oxide to a vessel, wherein the vessel comprises the hydrocarbon, and wherein the hydrocarbon comprises hydrogen sulfide; and treating the hydrocarbon by allowing the methylmorpholine-n-oxide to react with the hydrogen sulfide..
United Laboratories International, Llc


 Systems and methods for separating hydrogen sulfide from carbon dioxide in a high-pressure mixed stream patent thumbnailSystems and methods for separating hydrogen sulfide from carbon dioxide in a high-pressure mixed stream
Systems and methods for separating hydrogen sulfide from carbon dioxide in a high-pressure mixed stream are disclosed herein. The methods include receiving the high-pressure mixed stream in an oxidation reactor and at an inlet pressure of at least 0.3 megapascals.

 Decontamination of sulfur contaminants from a vessel patent thumbnailDecontamination of sulfur contaminants from a vessel
A method for treating sulfur contaminants is provided. The method comprises introducing a methylmorpholine-n-oxide solution to a vessel, wherein the vessel comprises a water layer and a gas layer, wherein the water layer and the gas layer comprise the hydrogen sulfide; introducing methylmorpholine-n-oxide into the water layer; and treating the water layer by allowing the methylmorpholine-n-oxide to react with the hydrogen sulfide..
United Laboratories International, Llc


 Systems and methods for enhanced separation of hydrogen sulfide and ammonia in a hydrogen sulfide stripper patent thumbnailSystems and methods for enhanced separation of hydrogen sulfide and ammonia in a hydrogen sulfide stripper
Systems and methods for enhanced separation of h2s and nh3 in an h2s stripper using carbon dioxide and/or an inert gas.. .
Bechtel Hydrocarbon Technology Solutions, Inc.


Hydrocarbon soluble/dispersible hemiformals as hydrogen sulfide scavengers

Scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of municipal waste water, hydrocarbons, crude oil, and natural gas among others are disclosed. Also disclosed herein are methods of using the compounds and compositions as scavengers, particularly in applications relating to the production, transportation, storage, and separation of hydrocarbons, crude oil, and natural gas..
Ecolab Usa Inc.

Hydrogen sulfide scavengers

Scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas are disclosed. Also disclosed herein are methods of using the compounds and compositions as scavengers, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas..
Ecolab Usa Inc.

Hydrogen sulfide scrubber systems and methods

A hydrogen sulfide scrubbing is disclosed. An example system can include a natural gas inlet coupled to a pressure nozzle opening into a chamber having one or more baffles and a port configured to receive a scrubbing solution.

Electrochemical power generation device with re-generable fuel system

Apparatus and methods to generate electricity from air and municipal sewage, manure, food waste and/or potentially other organic waste sources using sulfate reducing bacteria, srb. The srb produce hydrogen sulfide in an apparatus named a biominer.

Membranes for gas separation

Membranes, methods of making the membranes, and methods of using the membranes are described. The membranes can comprise a support layer, and a selective polymer layer disposed on the support layer.
Ohio State Innovation Foundation

Processes for removing contaminants from a dehydrogenation effluent

A process for the providing a regenerant gas stream for a regenerable adsorbent used to remove water and hydrogen sulfide from a reactor effluent in a catalytic dehydrogenation process is described. The reactor effluent is compressed in a compressor to provide a compressed effluent.
Uop Llc

Process for scavenging hydrogen sulfide present in a fluid stream

A process for scavenging hydrogen sulfide present in a fluid stream is provided. The process includes treating the fluid stream with a polytriazine, wherein the polytriazine converts the hydrogen sulfide to a corresponding thiol or thioether derivative, thereby reducing the amount of hydrogen sulfide present in the fluid stream..
Ecolab Usa Inc.

Processes for treating a hydrocarbon stream

Processes for treating a hydrocarbon stream to remove heteroatoms from the hydrocarbons. A portion of the hydrotreated effluent is separated in a membrane separation zone to remove hydrogen sulfide and ammonia from the effluent portion which includes hydrogen.
Uop Llc

Hydrocarbon conversion process

The invention relates to processes for converting a mixture of hydrocarbon and sulfur-containing molecules such as mercaptan into products comprising acetylene, ethylene, and hydrogen sulfide, to processes utilizing the acetylene and ethylene resulting from the conversion, and to equipment useful for such processes.. .
Exxonmobil Chemical Patents Inc.

Cross-linkable rubber composition for seal material used at oilfield or gas well and seal material

A cross-linkable rubber composition for a seal material which is used at an oilfield or gas well comprising a nitrile group-containing copolymer rubber which contains α,β-ethylenically unsaturated nitrile monomer units 10 to 60 wt % and has an iodine value of 120 or less, an α,β-ethylenically unsaturated carboxylic acid metal salt (b), and an organic peroxide cross-linking agent (c) is provided. According to the present invention, it is possible to provide a rubber composition which is excellent in shapeability, is high in durability against hydrogen sulfide and other corrosive gases, and is suitable for application as a seal material which is used at an oilfield or gas well..
Zeon Corporation

Polyphosphoric acid resistant hydrogen sulfide scavenger for use in asphalt applications

A method and composition for reducing hydrogen sulfide generated or emitted from an asphalt composition are disclosed. In certain aspects, a method for reducing hydrogen sulfide emissions from an asphalt composition is provided wherein an additive is mixed with the asphalt composition and the additive is a copper-based complex.
Baker Hughes Incorporated

Aqueous absorbent composition for enhanced removal of hydrogen sulfide from gaseous mixtures and using the same

Wherein r1 and r2 independently represent lower alkyl groups of 1 to 3 carbon atoms, (ii) piperazine, and (iii) optionally a physical solvent, wherein said solution does not contain a strong acid. Further, the present invention relates to a process for removing hydrogen sulfide from a gaseous mixture containing hydrogen sulfide, and additionally other acid gases, if present, for example carbon dioxide, comprising the step of contacting the gaseous mixture contain hydrogen sulfide with the aqueous alkanolamine solution, preferably wherein the temperature of the aqueous alkanolamine solution is equal to or greater than 140° f.

Optimized biogas (biomethane) production from anaerobic reactors

An improved process and apparatus for producing biogas having a high methane content from a feed or substrate. Feed material is injected into a reactor having anaerobic microorganisms to form a bulk liquid in the reactor.
Enos Loy Sinver

Hydrogen sulfide scavenger

The present disclosure is directed to a composition comprising asphalt and an amino acid metal chelate.. .
Innophos Inc.

Isothermal co2 adsorption column

A new adsorbent co2-one for removal of acidic gases such as carbon dioxide and hydrogen sulfide was developed from hydrothermal reaction of natural limestone with natural kaolin via sodium hydroxide. Several synthesis conditions were employed such as initial concentration of naoh, weight ratio of limestone to kaolin, reaction temperature and pressure.
King Fahd University Of Petroleum And Minerals

Sodium-calcium-aluminosilicate column for adsorbing co2

A new adsorbent co2-one for removal of acidic gases such as carbon dioxide and hydrogen sulfide was developed from hydrothermal reaction of natural limestone with natural kaolin via sodium hydroxide. Several synthesis conditions were employed such as initial concentration of naoh, weight ratio of limestone to kaolin, reaction temperature and pressure.
King Fahd University Of Petroleum And Minerals

Acoustic methods and devices for determining the value of formation overpressure during drilling and for detecting gas packs containing hydrogen sulfide gas

A method for determining formation pressure during exploratory drilling for oil includes generating a series of negative pressure shock waves at successively increasing well pressures to characterize gas kick forming at the bottom of a well. Once the lower end of the gas kick has been formed, the well pressure level as detected by a pressure sensor near the surface of the well is used to calculate the formation pressure along with the weight of the fluid column located in the well..

Reactor with stripping zone

A hydrotreating reactor including a vessel comprising an upper zone, and intermediate zone and a lower zone. The upper zone comprises at least one upper catalyst bed.
Uop Llc

Hydrogen sulfide scavenger

The present disclosure is related to a family of metals chelates for use as a hydrogen sulfide scavenger in asphalt, and the preparation thereof. The metal chelates, in particular amino acid metal chelates, are particularly efficient at reducing the hydrogen sulfide emissions of asphalt..
Innophos, Inc.

Microbial metabolism of chlorine oxyanions as a control of biogenic hydrogen sulfide production

The present disclosure relates to methods of controlling the sulfide (s2−) content in systems, such as oil and gas reservoirs and pipelines, by the use of chlorine oxyanions and microorganisms with (per)chlorate-reducing activity.. .
The Regents Of The University Of California

Post-processing system of diesel vehicle for reducing h2s

The present disclosed provides a post-processing system of a diesel vehicle in which an lnt catalyst and a dpf are sequentially disposed on an exhaust gas channel of the engine. The post-processing system includes: an lnt catalyst configured to adsorb nitrogen oxide (nox) under lean atmosphere and desorb the nitrogen oxide (nox) under rich atmosphere, based on a window of theoretical air-fuel ratio; and a diesel particulate filter (dpf).
Hyundai Motor Company

Method for producing lithium composition and producing sulfide solid electrolyte material

A method for producing a lithium composition capable of suppressing the generation of polysulfides is provided. The method for producing a lithium composition includes a first aqueous solution forming step of forming a first aqueous solution by reacting iodine with a reducing aqueous solution containing calcium oxide, formic acid, and water under a condition of a ph of 5.5 or more and a ph of 10.21 or less through heating, a second aqueous solution forming step of forming a second aqueous solution by adding calcium oxide to the first aqueous solution, a third aqueous solution forming step of forming a third aqueous solution by adding lithium carbonate to the second aqueous solution, and a li2s forming step of forming the lithium sulfide (li2s) by sulfurizing lithium hydroxide (lioh) to form lithium hydrosulfide (lihs) and then eliminating hydrogen sulfide from lithium hydrosulfide (lihs)..
Toyota Jidosha Kabushiki Kaisha

Fluid catalytic cracking unit with low emissions

An fcc unit enables the normal regenerator to be eliminated by carrying out catalyst regeneration in the reactor section of the unit using air, oxygen-enriched air or even relatively pure oxygen as the stripping medium in the stripping section of the reactor while maintaining overall reducing conditions so that sulfur and nitrogen are produced in the form of hydrogen sulfide, ammonia and other reduced species. The combustion gases from the stripper are sent from the reactor with the cracking vapors to the fcc main fractionator, wet gas compressor and gas plant to process the by-products of the coke combustion along with the fcc reactor effluent.
Exxonmobil Research And Engineering Company

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 conventional amine treating systems. The process uses a catalytic reactor with or without a hydrotreater depending on the olefin concentration of the off gas stream.

Layered or mixed sorbent bed protective filtration device

A filtration device including a fluid-impermeable housing having a gas inlet and outlet, and containing within the housing first filter media particles of an extended surface area substrate and containing at least one metal impregnant, and second filter media particles of an extended surface area zirconium hydroxide substrate and containing zinc (hydr)oxide. The first or second filter media particles also contain an amine-functional material.
3m Innovative Properties Company

Hydrogen sulfide alarm methods

H2s (hydrogen sulfide) alarm methods include automated systems for creating reports, initiating different safety drills and/or recording certain calibration and bump tests. The methods being automated reduces the chance of human error and falsified records.

Electrochemical co-production of chemicals from carbon dioxide using sulfur-based reactant feeds to anode

The present disclosure includes a system and method for producing a first product from a first region of an electrochemical cell having a cathode and a second product from a second region of the electrochemical cell having an anode. The method may include a step of contacting the first region with a catholyte comprising carbon dioxide, producing a first product which may include carbon monoxide or an alkli metal formate.
Liquid Light, Inc.

Acrylonitrile-based sulfur scavenging agents for use in oilfield operations

Composition for the removal or inactivation of hydrogen sulfide or other species comprising ionizable sulfur (e.g., mercaptans, thiols, etc.) using compositions containing acrylonitrile and/or derivatives thereof are provided. Methods for the removal or inactivation of hydrogen sulfide or other sulfur species in oilfield sites and other related applications using compositions containing acrylonitrile and/or derivatives thereof are provided..
Multi-chem Group, Llc

Method of removing hydrogen-sulfide from water

A method for removing hydrogen sulfide from a liquid stream is described. The method includes contacting the liquid stream including a first amount of hydrogen sulfide with a first side of a porous gas-liquid separation membrane.
Conocophillips Company

Hydrogen sulfide imaging system

Various embodiments disclosed herein describe an infrared (ir) imaging system for detecting a gas. The imaging system can include an optical filter that selectively passes light having a wavelength in a range of 1585 nm to 1595 nm while attenuating light at wavelengths above 1600 nm and below 1580 nm.
Rebellion Photonics, Inc.

Method for separating hydrogen sulfide and ammonia dissolved in sour waters

In a column provided with internals for liquid/gas contacting, the sour water feedstock is stripped using steam, then cooled by a cold liquid and washed using cold water injection. This method allows to separate an ammonia-poor (5-5000 ppm) h2s gaseous effluent and an h2s-lean (100-1000 ppm for example) purified water.
Prosernat

Processes for removing contaminants from a dehydrogenation effluent

A process for the providing a regenerant gas stream for a regenerable adsorbent used to remove water and hydrogen sulfide from a reactor effluent in a catalytic dehydrogenation process is described. The reactor effluent is compressed in a compressor to provide a compressed effluent.
Uop Llc

Development of a novel high temperature stable scavenger for removal of hydrogen sulfide

The present disclosure provides compositions and methods that are useful in removing, lowering the amount of, or otherwise controlling hydrogen sulfide and mercaptans. The compositions and methods can be used in any industry where hydrogen sulfide poses problems, such as when dealing with crude oil based, natural gas based, and/or coal based products.
Ecolab Usa Inc.

Process and hydrogen sulfide removal

The invention is directed to a process and apparatus for removing hydrogen sulfide from a gas stream comprising biogas. In accordance with the invention the gas stream is contacted with an oxidizing agent present in a vessel, whereby said hydrogen sulfide is oxidized into elemental sulfur and said oxidizing agent is reduced, wherein oxygen containing gas is also fed to said vessel, wherein said oxygen oxidizes at least part of said reduced oxidizing agent..
Nederlandse Organisatie Voor Toegepast- Natuurwetenschappelijk Onderzoek Tno

Methods for co-processing carbon dioxide and hydrogen sulfide

A method for co-processing h2s and co2 in an electrolyzer includes feeding a first gas stream having h2s to an anode and feeding a second gas stream having co2 to a cathode. The h2s is split into hydrogen and elemental sulfur.
Saudi Arabian Oil Company

Composition and forming the same

A composition comprises the reaction product of a dithiophosphate derivative and an amine. The reaction product is present in the composition in an amount of at least about 25 wt.
Basf Se

Systems and methods of reducing a bacteria population in high hydrogen sulfide water

In some embodiments, a method may include treating water comprising sulfur based contaminants. The method may include contacting a portion of water comprising a quantity of hydrogen sulfide with a first oxidant.
Clean Chemistry

Method of predicting/optimizing hydrogen sulfide scavenging capacity and reduction of scale formation

A method of optimizing a hydrogen sulfide scavenger blend that includes selecting a hydrogen sulfide scavenger blend comprising at least two hydrogen sulfide scavengers; determining a scavenging capacity for the blend; modifying at least one blend parameter based on the determined scavenging capacity; redetermining the scavenging capacity for the modified blend; and selecting an optimized blend from the blend and the modified blend is disclosed.. .
Schlumberger Norge As

Integrated process for producing hydrocarbons

The present invention relates to an integrated process for producing hydrocarbons, wherein feedstock originating from renewable sources is subjected to catalytic hydroprocessing followed by separation of an aqueous component, a heavy component, and a light component, separating carbon dioxide and hydrogen sulfide from said light component to obtain a recycle stream, followed by dividing the recycle stream to a first recycle stream and a second recycle stream, directing the first recycle stream to the hydroprocessing system, and the second recycle stream to a hydrogen plant, where the light component is converted to hydrogen, and directing the hydrogen to the hydroprocessing system.. .
Upm-kymmene Corporation

Method and system for removing hydrogen sulfide from sour oil and sour water

Embodiments of the present invention are generally related to a system and method to remove hydrogen sulfide from sour water and sour oil. In particular, hydrogen sulfide is removed from sour water and sour oil without the need for special chemicals, such as catalyst chemicals, scavenger chemicals, hydrocarbon sources, or a large scale facility.
Anschutz Exploration Corporation

Fluorinated carbon dioxide swellable polymers and use

A cementing composition which is capable of self-sealing cracks in the cement composition is provided. For example, the composition includes a polymer that is swellable in the presence of gaseous hydrocarbons, hydrogen sulfide, carbon dioxide, carbonic acid and/or hydrochloric acid.
Halliburton Energy Services, Inc.

Bituminous compositions based on phosphoric derivatives

The invention relates to a package of performance additives for bitumen or bituminous compositions including an acidic adjuvant and a h2s scavenger chosen from organic or inorganic copper salts. The invention also relates to the use of said h2s scavenger in order to reduce the h2s emissions of bitumen or of a bituminous composition treated with the acidic adjuvant.
Total Marketing Services

Processes for producing hydrogen gas stream from an offgas stream

Processes for producing a recycle hydrogen gas stream from an offgas separated from a reaction zone effluent. The reaction zone may receive a renewable feedstock and produce an effluent with gaseous components of hydrogen and light hydrocarbons.
Uop Llc



Hydrogen Sulfide topics:
  • Hydrogen Sulfide
  • Carbon Dioxide
  • Hydrocarbon
  • Internal Combustion Engine
  • Combustion
  • Regenerate
  • Exhaust Gas
  • Activated Carbon
  • Impregnated
  • Scr Catalyst
  • Catalytic Reduction
  • Selective Catalytic Reduction
  • Peritoneal
  • Intraperitoneal
  • Wireless Communication Device


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    This listing is a sample listing of patent applications related to Hydrogen Sulfide for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Hydrogen Sulfide with additional patents listed. Browse our RSS directory or Search for other possible listings.


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