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Carbon Dioxide patents

This page is updated frequently with new Carbon Dioxide-related patents. Subscribe to the Carbon Dioxide RSS feed to automatically get the update: related Carbon RSS feeds.

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Date/App# patent app List of recent Carbon Dioxide-related patents
 Oxygen face mask with capnometer and side port patent thumbnailnew patent Oxygen face mask with capnometer and side port
A nasal cannula allows insertion of an upper endoscopy probe, a transesophageal echo probe for exams, or the like. Currently, a nasal cannula is used to measure expired carbon dioxide and deliver oxygen to sedated patients undergoing these procedures.
 Process for the preparation of polyether polyols patent thumbnailnew patent Process for the preparation of polyether polyols
The invention relates to a method for producing polyether carbonate polyols, wherein (i) in a first step a polyether carbonate polyol is produced from one or more h-functional starter substances, one or more alkylene oxides, and carbon dioxide in the presence of at least one dmc catalyst, and (ii) in a second step the polyether carbonate polyol is chain-extended with a mixture of at least two different alkylene oxides in the presence of at least one dmc catalyst. The invention further relates to polyether carbonate polyols that contain a terminal mixed block of at least two alkylene oxides and to a method for producing soft polyurethane foams, wherein a polyol component containing a polyether carbonate polyol according to the invention is used..
 Compositions containing tetrafluoropropene and carbon dioxide patent thumbnailnew patent Compositions containing tetrafluoropropene and carbon dioxide
Disclosed are compositions useful in a wide variety of applications, including heat transfer fluids which possess a highly desirable and unexpectedly superior combination of properties, and heat transfer systems and methods based on these fluids. The preferred heat transfer fluid comprises from about 1 to about 40 percent, on a weight basis, of carbon dioxide (co2) and from about 99 to about 60 percent, on a weight basis, of a compound having the formula i xcfzr3-z (i), where x is a c2 or a c3 unsaturated, substituted or unsubstituted, alkyl radical, each r is independently cl, f, br, i or h, and z is 1 to 3.
 Reducing carbon dioxide production and increasing ethanol yield during microbial ethanol fermentation patent thumbnailnew patent Reducing carbon dioxide production and increasing ethanol yield during microbial ethanol fermentation
The present invention provides compositions and methods for producing ethanol wherein the amount of co2 by-product is reduced during the fermentation process. The invention includes the use of oxidized lignin during the fermentation process..
 Oxy fuel boiler system and a method of operating the same patent thumbnailnew patent Oxy fuel boiler system and a method of operating the same
The present disclosure relates to a boiler system that includes an oxyfuel boiler in which a stream of oxygen and a fuel are combusted to generate a stream of flue gas. A flue gas condenser condenses the cleaned flue gas.
 Method for hydrogen production patent thumbnailnew patent Method for hydrogen production
The present invention relates to a method for hydrogen production and to a method of hydrogen and/or carbon dioxide production from syngas. The method comprises the steps of: (i) providing a gas stream comprising hydrogen and carbon monoxide, (ii) separating at least part of hydrogen from the stream yielding a hydrogen-depleted stream, (iii) subjecting the hydrogen-depleted stream to a water-gas shift reaction, and (iv) separating hydrogen from the stream resulting from step (iii).
 Co2 recovery method and apparatus patent thumbnailnew patent Co2 recovery method and apparatus
A co2 recovery method and apparatus for desorbing and recovering carbon dioxide with low energy consumption from a gas discharged from a power generation plant having a boiler and a steam turbine. The adsorption and the desorption of carbon dioxide are performed alternately in two co2 absorbers and located in a co2 recovery apparatus, which each hold a carbon dioxide adsorbent.
 Exhaust gas aftertreatment system and method for exhaust gas aftertreatment patent thumbnailnew patent Exhaust gas aftertreatment system and method for exhaust gas aftertreatment
An exhaust gas aftertreatment system for an internal combustion engine, particularly for a ship's diesel engine operated with heavy oil, has a scr catalyst that uses ammonia as reductant. A nozzle is positioned upstream of the scr catalyst viewed in flow direction of the exhaust gas.
 Neutron detection apparatus patent thumbnailnew patent Neutron detection apparatus
Provided are a neutron detector detecting a neutron flux distribution of the inside of a reactor, a thimble guide tube provided being inserted from outside into inside of the reactor, for inserting the neutron detector, a drive apparatus connected to the thimble guide tube and inserting or extracting the neutron detector into or out of the thimble guide tube, a vacuum unit controlling the vacuum state in the thimble guide tube, a supply unit supplying carbon dioxide gas, a gas purge unit connected to the supply unit and conducting gas purge in the thimble guide tube by carbon dioxide gas, a gate valve provided between the thimble guide tube and the drive apparatus and performing open/close operation, and a control apparatus controlling the gate valve, the drive apparatus, the vacuum unit, the supply unit, and the gas purge unit.. .
 Aliphatic amine based nanocarbons for the absorption of carbon dioxide patent thumbnailnew patent Aliphatic amine based nanocarbons for the absorption of carbon dioxide
A composition of matter, and method to make same, for a nano-based material including a nanocarbon support to which is attached an aliphatic amine. In particular, the composition of matter is an aliphatic amine-nanocarbon material that includes a nanocarbon (nc) support, such as c60, nano-graphite, graphene, nanocarbon ribbons, graphite intercalation compounds, graphite oxide, nano-coal, nanohorns, and combinations thereof, and further includes an aliphatic amine, such as polyethyleneimine (pei)..
new patent Carbon dioxide enrichment device
Wherein the electrolytic solution contains solvent and solute dissolved in it, and the solute is dissolved to form a dissolved inorganic carbon containing carbonic acid, hydrogen carbonate ions, or carbonic acid ions; oxygen is consumed by an oxygen reduction reaction on the first gas diffusion electrode, whereby a dissolved inorganic carbon is formed by a dissolution and ionization reaction of carbon dioxide in the solvent; the dissolved inorganic carbon derived from the solute or the dissolved inorganic carbon is transported to the second gas diffusion electrode; and oxygen is formed from the solvent in the vicinity of the second gas diffusion electrode by an oxidation reaction of the solvent on it, and carbon dioxide is formed from the dissolved inorganic carbon.. .
new patent Desulfurization in a regenerative calcium cycle system
The present invention relates to a method and system for combustion of a fuel and treatment of the resulting flue gas. The method includes: combusting a fuel with air or oxygen to produce a hot flue gas stream containing at least carbon dioxide (co2) and sulfur dioxide (so2), bringing the flue gas stream into contact with solid calcium oxide (cao) in a carbonation reactor operating at a temperature at which co2 in the flue gas reacts with cao to form solid calcium carbonate (caco3), heating caco3 formed in the carbonation reactor in a calcination reactor operating at a temperature at which caco3 is converted to cao and co2, whereby said heating is at least partially effected by indirect heat exchange with the hot flue gas stream from the combustion, and recirculating cao formed in the calcination reactor back to the carbonation reactor, wherein the flue gas used for indirect heat exchange in the calcination reactor is subsequently subjected to dry desulfurization in a dry desulfurizer before it is brought into contact with cao in the carbonation reactor..
new patent Method of obtaining carbon dioxide from a carbon dioxide-containing gas mixture
Disclosed are methods of obtaining carbon dioxide from a co2-containing gas mixture. The methods combine the benefits of gas membrane separation with cryogenic temperatures..
new patent Supercritical carbon dioxide power cycle for waste heat recovery
Aspects of the invention disclosed herein generally provide heat engine systems and methods for recovering energy, such as by generating electricity from thermal energy. In one configuration, a heat engine system contains a working fluid (e.g., sc-co2) within a working fluid circuit, two heat exchangers configured to be thermally coupled to a heat source (e.g., waste heat), two expanders, two recuperators, two pumps, a condenser, and a plurality of valves configured to switch the system between single/dual-cycle modes.
new patent Post fill carbonation with container overpressure limitation
In at least some embodiments, a carbonated beverage is formed by filling a container with a beverage liquid, adding solid carbon dioxide, sealing the container, and then limiting the development of overpressure within the container. In some embodiments, overpressure within a container may be limited by an adsorber material element.
new patent Method for preparing a slurry of pulverized solid material in liquid or supercritical carbon dioxide
Method for making a slurry of a pulverized solid in liquid or supercritical carbon dioxide. The method includes making a water-pulverized solid slurry at ambient pressure and pressurizing the water-pulverized solid slurry to a high pressure.
System for converting greenhouse gas emissions to carbon credit and method for same
The present invention relates to a system for converting greenhouse gas emissions to carbon credit and a method for same. The system for converting the greenhouse gas emissions to carbon credit includes a carbon emission reduction device which detects an amount of fuel filled in a vehicle and an amount of fuel used by the vehicle, minimizes the supply of fuel to the engine of the vehicle to prevent excessive fuel consumption and limit carbon emissions when the vehicle does not move within a preset time, supplies fuel to the engine of the vehicle in a normal manner when the vehicle is moved according to detection of the acceleration pedal of the vehicle, generates carbon dioxide reduction information by adding or subtracting an emitted amount of carbon dioxide that is limited during an idling prevention time to or from the emitted amount of carbon dioxide of the vehicle, and converts the carbon dioxide reduction information to carbon credit which includes a generated economic value upon reduction of a ton of carbon emissions.
Efficient, self sufficient production of methanol from a methane source via oxidative bi-reforming
A method for producing methanol from a methane source such as methane from natural (shale) gas by first reacting one equivalent of methane with oxygen from the air to result in complete combustion to produce carbon dioxide and water in a molar ratio of 1:2; then conducting a bi-reforming process with a mixture of methane: carbon dioxide:water having a ratio of 3:1:2 to produce metgas, a mixture of hydrogen and carbon monoxide having a molar ratio of 2:1 to 2.1:1; and finally converting metgas exclusively to methanol. The thus produced methanol can be dehydrated to form dimethyl ether, with water produced being recycled back to the bi-reforming process, if necessary..
Formic acid producing apparatus and method for producing formic acid using the same
A formic acid producing apparatus comprising a closed formic acid synthesis reaction section to which an ionic liquid, hydrogen, and carbon dioxide are introduced externally, and in which formic acid is synthesized.. .
Ceramic material, method for adsorbing carbon dioxide and method for converting carbon dioxide
A ceramic material, methods for adsorbing and converting carbon dioxide are provided. The ceramic material is represented by a chemical formula m1xm2yoz, wherein m1 is selected from a group consisting of nd, sm, gd, yb, sc, y, la, ac, al, ga, in, tl, v, nb, ta, fe, co, ni, cu, ca, sr, na, li and k; m2 is selected from a group consisting of ce, zn, ti, zr and si; o represents oxygen atom; x<0.5, y>0.5, x+y=1.0, z<2.0; and the ceramic material has an adsorption capacity of not less than 20 μmol/g for co2 at 50° c..
Apparatus and system for bioreactor cultivating microorganisms and reducing carbon dioxide
A bioreactor includes a support structure and a translucent liner. A containing system of bioreactors includes a plurality of bioreactors.
Process and system employing phase-changing absorbents and magnetically responsive sorbent particles for on-board recovery of carbon dioxide from mobile sources
F. Recovering and compressing the co2 for temporary storage on board the vehicle..
Interference compensated photoionization detector
An integrated sensor of volatile organic gas can include a photoionization detector (pid) and one or more additional detectors such as an infrared detector, a catalytic combustion detector, or an electrochemical detector. One embodiment includes a methane detector that allows correction of the pid measurements for the interference of methane with the pid and/or allows a combination of measurements of the sensors to measure a total hydrocarbon concentration.
Process for preparing crosslinked polymer-carbon sorbent
A polymer-carbon sorbent for removing at least one of carbon dioxide, heavy metals or toxic materials from a flue gas from a combustion process, such as coal-fired power plants, is described. The sorbent comprises a carbonaceous sorbent material and a cured amine-containing polymer, and sulfur.
Carbon dioxide separating and capturing apparatus
A carbon dioxide separating and capturing apparatus includes: a casing including inner space through which a to-be-treated gas containing carbon dioxide flows; a carbon dioxide adsorbing material disposed in the inner space, the carbon dioxide adsorbing material adsorbing and separating carbon dioxide from the to-be-treated gas flowing through the inner space; and a steam generator configured to generate steam in the inner space and release the steam in the inner space, the steam desorbing and capturing the carbon dioxide adsorbed to the carbon dioxide adsorbing material.. .
Fluorinated surfactants and stabilization of polytetrafluoroethylene (ptfe) particles in hollow fiber spin solutions
Methods and apparatus relate to recovery of carbon dioxide and/or hydrogen sulfide from a gas mixture. Separating of the carbon dioxide, for example, from the gas mixture utilizes a liquid sorbent for the carbon dioxide.
Methods and systems for monitoring respiration with photoplethysmography
The present invention relates to novel lip/cheek probes for detection of pulse-based differences in light absorbence across the vascularized tissue of a lip or cheek of a patient. These probes are fabricated to provide signals to estimate arterial oxygen saturation, and/or to obtain other photoplethysmographic data.
Reactive extraction process for regeneration of amine-based solvents used for carbon dioxide capture
A method for recovery of impurities and/or degradation products and/or heat-stable salts from amine-based solvents used for capture of c02 from gas streams. The method comprises recovering c02 from a c02-enriched amine-based solvent thereby producing a lean amine-based solvent, contacting and mixing together the lean amine-based solvent with a reaction composition comprising a phase-change catalyst and a diluent, thereby producing a first organic phase comprising the impurities and/or degradation products and/or heat-stable salts and a first aqueous phase comprising the lean amine-based solvent, separating the first organic phase and the first aqueous phase; and separately recovering the first organic phase and the first aqueous phase.
Methods and compositions for the extracellular transport of biosynthetic hydrocarbons and other molecules
The present disclosure identifies methods and compositions for modifying photoautotrophic organisms as hosts, such that the organisms efficiently convert carbon dioxide and light into hydrocarbons, e.g., n-alkanes and n-alkenes, wherein the n-alkanes are secreted into the culture medium via recombinantly expressed transporter proteins. In particular, the use of such organisms for the commercial production of n-alkanes and related molecules is contemplated..
Devices and processes for carbon dioxide conversion into useful fuels and chemicals
Electrochemical devices for converting carbon dioxide to useful reaction products include a solid or a liquid with a specific ph and/or water content. Chemical processes using the devices are also disclosed, including processes to produce co, hco−, h2co, (hco2), h2co2, ch3oh, ch4, c2h4, ch3ch2oh, ch3coo−, ch3cooh, c2h6, (cooh)2, (coo−)2, acrylic acid, diphenyl carbonate, other carbonates, other organic acids and synthetic fuels.
Lithium-ion secondary battery
A lithium-ion secondary battery having a positive electrode capable of occluding and releasing lithium ions, a negative electrode capable of occluding and releasing lithium ions, a separator interposed between the positive electrode and the negative electrode, an electrolytic solution, and a current breaking mechanism that activates in response to the rise of the battery's internal pressure, wherein the electrolytic solution is incorporated with an aromatic compound and the separator is incorporated with a carbon dioxide gas generating agent which is represented by the formula axco3 or ayhco3. It is highly responsive to overcharging owing to the current breaking mechanism attached thereto which activates in the early stage of overcharging.
System and method for using board plant flue gases in the production of syngas
Disclosed is an apparatus and method for capturing the hot humid gases from a gypsum board dryer and utilizing those gases in the production of a synthetic gas (referred to as “syngas”). The syngas produced can then be utilized within a gypsum board plant to reduce the amount of natural gas needed.
Carbon dioxide sequestration methods using group 2 silicates and chlor-alkali processes
The present invention relates to an energy efficient carbon dioxide sequestration processes whereby group 2 silicate minerals and c02 are converted into limestone and sand using a two-salt thermolytic process that allows for the cycling of heat and chemicals from one step to another.. .
Direct photoconversion of carbon dioxide to liquid products
A photocatalytic process is disclosed for the reduction of carbon dioxide and water. The process comprises reacting carbon dioxide and water in the presence of a photocatalytic composition that is irradiated with electromagnetic radiation having a wavelength in the range of from 200 to 700 nm.
Carbon dioxide refrigeration cycle
A refrigeration cycle is operated in conjunction with various thermodynamic cycle working fluid circuits to cool a target fluid that may be used in a separate system or duty. In one embodiment, the refrigeration cycle includes an ejector that extracts a motive fluid from the working fluid cycles in order to entrain a suction fluid that is also extracted from the working fluid circuits.
Assessment of coronary heart disease with carbon dioxide
The invention provides methods for diagnosing coronary heart disease in a subject in need thereof comprising administering an admixture comprising co2 to a subject to reach a predetermined paco2 in the subject to induce hyperemia, monitoring vascular reactivity in the subject and diagnosing the presence or absence of coronary heart disease in the subject, wherein decreased vascular reactivity in the subject compared to a control subject is indicative of coronary heart disease. The invention also provides methods for increasing sensitivity and specificity of bold mri..
Methane separation method, methane separation apparatus, and methane utilization system
A methane separation method of the present invention at least includes: mixing the biogas and an absorbing liquid that absorbs carbon dioxide in a mixer so as to form a mixed fluid of a gas-liquid mixed phase; introducing the mixed fluid into a first gas/liquid separator so as to separate the mixed fluid through gas/liquid separation into methane and a co2-absorbed liquid formed due to an absorption of the carbon dioxide by the absorbing liquid; recovering methane separated in the first gas/liquid separator; and supplying the co2-absorbed liquid through a supply port of a membrane module comprised of a container and a plurality of hollow fiber permeable membranes built therein to inside of the membranes so as to make the co2-absorbed liquid permeate the permeable membranes, and lowering a pressure outside the permeable membranes to a level lower than that inside the permeable membranes.. .
Alkylene oxide catalyst and use thereof
A supported silver catalyst and use thereof in a process for producing an alkylene oxide, such as ethylene oxide, by the direct oxidation of an alkylene with oxygen or an oxygen-containing gas, wherein the catalyst provides improved stability and improved resilience to reactor upsets and timely recovery to substantially pre-upset levels of catalyst activity and/or efficiency. In some embodiments, the catalyst also exhibits improved activity.

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