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245 results about "Carbon dioxide absorber" patented technology
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Carbon dioxide absorber. Abstract. translated from. A carbon dioxide absorber assembly is provided in which the passing gas stream traverses at least one layer of a chemical composition which effectively removes carbon dioxide therefrom by chemical reaction or physical absorption.
CO2 recovery apparatus and CO2 recovery method
ActiveUS8377184B2Reduce oxygen concentrationSuppression problemOxygen/ozone/oxide/hydroxideLiquid degasificationFlue gasCo2 absorption
A CO2 recovery apparatus according to a first embodiment of the present invention includes: a CO2 absorber that brings flue gas containing CO2 into contact with CO2 absorbing liquid to reduce CO2 in the flue gas; a regenerator that reduces CO2 in CO2 absorbing liquid (rich solvent) that has absorbed the CO2 in the CO2 absorber to regenerate the CO2 absorbing liquid, so that the regenerated absorbing liquid (lean solvent), having CO2 reduced in the regenerator, is reused in the CO2 absorber; a first compressor to a fourth compressor that compress the CO2 gas released from the regenerator; and an O2 reducing apparatus arranged between the second compressor and a second cooler to reduce O2 in the CO2 gas.
Owner:MITSUBISHI HEAVY IND ENG LTD
Method and device for reducing the carbon dioxide content in a dead volume
InactiveUS7814908B2Simple and effective of carbon dioxide contentEasy to installRespiratorsControlling ratio of multiple fluid flowsDead volumeMedicine
Owner:MAQUET CRITICAL CARE
Carbon Dioxide Absorber And Regeneration Assemblies Useful For Power Plant Flue Gas
ActiveUS20110005395A1Limit and prevents any localized overheatingUniform bed temperatureGas treatmentEmission preventionSorbentCo2 absorption
Disclosed are apparatus and method to treat large amounts of flue gas from a pulverized coal combustion power plant. The flue gas is contacted with solid sorbents to selectively absorb CO2, which is then released as a nearly pure CO2 gas stream upon regeneration at higher temperature. The method is capable of handling the necessary sorbent circulation rates of tens of millions of lbs / hr to separate CO2 from a power plant's flue gas stream. Because pressurizing large amounts of flue gas is cost prohibitive, the method of this invention minimizes the overall pressure drop in the absorption section to less than 25 inches of water column. The internal circulation of sorbent within the absorber assembly in the proposed method not only minimizes temperature increases in the absorber to less than 25° F., but also increases the CO2 concentration in the sorbent to near saturation levels. Saturating the sorbent with CO2 in the absorber section minimizes the heat energy needed for sorbent regeneration. The commercial embodiments of the proposed method can be optimized for sorbents with slower or faster absorption kinetics, low or high heat release rates, low or high saturation capacities and slower or faster regeneration kinetics.
Owner:THE SOUTHERN CO
Method for reclaiming of co2 absorbent and a reclaimer
A method for reclaiming CO2 absorbing chemical(s) from a lean aqueous CO2 absorbent leaving a regeneration column (8), where lean absorbent (30) is withdrawn and flashed (31) to generate a vapor that is compressed (34) and returned into the regeneration column as stripper gas (37), where a part of the lean absorbent (20) is withdrawn and introduced into a reclaimer (21) in which the lean absorbent is boiled to generate a gas phase (23) that is withdrawn and returned into the regeneration column as reclaimed absorbent, and a liquid phase containing impurities (24), wherein the gaseous phase that is withdrawn from the reclaimer is compressed (34) together with the vapor part (33) from the flashing of the lean absorbent, to generate a pressure in the reclaimer that is lower than the pressure in the regeneration column, and a reboiler (11) for carrying out the method, are described.
Owner:AKER CARBON CAPTURE NORWAY AS
Fruit and evgetable fresh-keeping agent and its production method
InactiveCN1476764AStrong adsorption and degradationSlow postharvest ripeningFruit and vegetables preservationSorbentOxygen
The fruit and vegetable fresh-keeping agent is placed in the paper bag or cloth bag. Its composition includes (1) active adsorbent, 0.5-5 portions, it is active carbon in which the potassium permanganate is adsorbed, active clay, attapulgite or diatoms; (2) oxygen absorbent, 0.5-5 portions, it is iron powder, (3) ethylene absorbent, 0.5-5 portions, it is zeolite or bentonite; (4). CO2 adsorbent, 0.5-5 portions, it is lime hydrate or coke molecular sieve; (5) antimicrobial agent, 1 portion, it is sodium benzoate; and (6) auxiliary agent, 1-10 portions, it is mixture formed from equi-mass sodium chloride and crystal sodium carbonate or mixture formed from equi-mass calcium chloride and crystal sodium carbonate. The adoption of said fresh-keeping agent can obtain obvious fresh-keeping effect.
Owner:NANJING UNIV
Multifunctional indoor air purification and detection system
InactiveCN105066337ANon-stop workAccurate detectionMechanical apparatusSpace heating and ventilation safety systemsCo2 absorptionEngineering
The invention relates to a multifunctional indoor air purification and detection system. The multifunctional indoor air purification and detection system comprises an air detection module, a detection processor, an air purification processor, a Bluetooth communication module, a logic control module and a display operating system. Three systems are adopted by the air detection system for detecting a first PM 2.5 content value outdoors, a second PM 2.5 content value at an indoor air inlet and a third PM 2.5 content value at an indoor air outlet respectively. The air purification processor is connected with an indoor airflow field conditioning module, a dust filtering module, a hazardous gas absorber, a carbon dioxide absorber and a purification controller. According to the multifunctional indoor air purification and detection system, the categories of pollutants can be detected, and if the concentration of various pollutants exceeds the national standard, different draught fans are hierarchically driven to achieve segmental purification; multiple types of air detection modules are integrated, so that the system size is reduced, indoor air can be detected accurately and indoor detection cost is reduced.
Owner:YANCHENG INST OF TECH
Carbon dioxide absorbent fluid for a carbon dioxide sequestering system on a vehicle
A carbon dioxide storage means stores the carbon dioxide released in a heat exchanger. The heat exchanger cools the exhaust gas emitted by the internal combustion engine, and includes a thermal electric generator (TEG) configured to couple thermally the exhaust gas chamber to the absorber fluid chamber in a manner effective to heat the CO2 absorbent fluid by heat from the engine exhaust to release CO2 gas from the CO2 absorbent fluid and generate electricity in response to a temperature difference therebetween. The CO2 absorbent fluid is one of: a) an aliphatic di-functional nitrile (e.g. pimelonitrile); and b) an oligomeric poly-acrylonitrile (PAN).
Owner:DELPHI TECH IP LTD
Double-gas path centralized oxygen supply life saving system of embedded type mine refuge underground chamber
InactiveCN101368484AEasy to remove and moveEasy to installSafety equipmentsGas detectorCo2 absorption
Owner:HARBIN INST OF TECH +2
High active calcium-base CO2 absorbent and its preparing method
InactiveCN1676210APromote absorptionHigh reactivityGas treatmentOther chemical processesHydrogenAlcohol
The present invention relates to a high-activity calcium base CO2 obsorbent and its preparation method. The described method uses alcohols, distilled water, aluminium salt and calcium oxide as raw material, and includes the following steps: calcining for 1-4 hr. at 800-1000 deg.C, adding alcohols and distilled water, calcining dried sample for 3 hr, at 500-700 deg.C, grinding, more adding distilled water, drying, calcining dried sample for 1-3 hr, at 700-1000 deg.C, fine grinding so as to obtain the invented high-activity calcium base CO2 absorbent.
Owner:TSINGHUA UNIV
Greenhouse intelligent adjusting and controlling device and method
ActiveCN104267768AStrong catching abilityTo achieve the purpose of dehumidificationGreenhouse cultivationSimultaneous control of multiple variablesGreenhouseCo2 absorption
The invention discloses a greenhouse intelligent adjusting and controlling device and method. A special device and a unit control system are included. The special device comprises an upper channel and a lower channel which are arranged at the top in a greenhouse and are arranged horizontally. A fan is arranged in the upper channel. A carbon dioxide absorber and a carbon dioxide back flow device are arranged in the lower channel. The greenhouse is provided with a special air conditioner unit. The unit control system is connected with a carbon dioxide concentration tester and a humidity sensor and a temperature sensor arranged in the greenhouse. Reliability control over three environment factors of temperature, humidity and carbon dioxide is achieved, and cost is low.
Owner:山东阿拉斯佳新能源科技有限公司
Carbon dioxide absorbents
InactiveUS20110214566A1Improve thermal stabilityExcellent CO absorbing capacityLiquid degasificationOther chemical processesAbsorption capacityIonic liquid
The present invention relates to a carbon dioxide absorbent. In particular, the present invention relates to a carbon dioxide absorbent comprising an ionic liquid, amine and glycol. Since the carbon dioxide absorbent of the present invention can retain excellent CO2 absorption capacity despite repetitive regenerations at low temperature, it can reduce energy consumption and a loss of absorbents used, and therefore, can be effectively used for a process of collecting carbon dioxide from exhaust gas and natural gas and separating the same.
Owner:HYUNDAI MOTOR CO LTD +1
Carbon dioxide absorber and carbon dioxide separation/recovery method using the absorber
InactiveUS20140127119A1Efficient and stable removalSave energyCombination devicesCarbon compoundsRecovery methodCo2 absorption
The present invention provides a carbon dioxide absorber capable of efficiently and stably removing carbon dioxide in a gas or solution. This carbon dioxide absorber contains an amine compound, a weakly acidic compound and water, the pKb value of the amine compound in an aqueous solution at 30° C. is 4.0 to 7.0, the pKa value of the weakly acidic compound in an aqueous solution at 30° C. is 7.0 to 10.0, and the weakly acidic compound is present in an amount within the range of 0.01 equivalents to 1.50 equivalents with respect to amino groups of the amine compound.
Owner:ASAHI KASEI KK
Respirator with a carbon dioxide absorber
ActiveUS20060278220A1Reduce interfaceIntuitive displayRespiratorsRespiratory device testingMemory chipRespirator
A respirator shall be improved concerning better utilization of the carbon dioxide absorber (3). To accomplish the object, a transponder (5), which contains data on the type of absorber, the period of use and the current state of consumption, is arranged at the carbon dioxide absorber (3). A transponder polling device (8) at the respirator (1) reads the data from the memory chip (6) and an updated state of consumption is calculated from data on the operation of the respirator and stored again in the memory chip (6).
Owner:DRAGERWERK AG
Composite organic alcohol amine absorbing agent for carbon dioxide
InactiveCN104190210AReduce lossLow regeneration energy consumptionDispersed particle separationAir quality improvementCompound organicAlcohol
The invention relates to a composite organic alcohol amine absorbing agent for carbon dioxide, belonging to the technical field of chemical materials. The absorbing agent is prepared from the following components in percentage by weight: 80-99.97% of a main absorbing agent, 0-19% of an auxiliary absorbing agent, 0.01-1% of an antioxidant, 0.01-1% of a corrosion inhibitor, 0-1% of an absorption enhancing agent, 0.01-1% of a complexing agent, 0-0.1% of a defoaming agent and 0-1% of a surface active agent. When being used under normal pressure, the absorbing agent is at -20-70 DEG C for absorbing carbon dioxide and is at 70-120 DEG C for desorbing carbon dioxide. The absorbing agent has low regeneration energy consumption, low solution loss, high absorbing efficiency and has high feasibility when being applied to flue gases in power plants and the like.
Owner:718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
Compositions for absorbing carbon dioxide, and related processes and systems
InactiveUS20130052109A1Reduce carbon dioxide emissionsGas treatmentOther chemical processesAlcoholPower station
A carbon dioxide absorbent is disclosed. The absorbent compostion contains a liquid, non-aqueous, silicon-based material, functionalized with one or more groups that reversibly react with CO2 and / or have a high-affinity for CO2; and at least one amino alcohol compound. A method for reducing the amount of carbon dioxide in a process stream is also described. The method includes the step of contacting the stream with the carbon dioxide absorbent composition. A power plant that includes a carbon dioxide removal unit based on the carbon dioxide absorbent is also described.
Owner:GENERAL ELECTRIC CO
Two-phase wet-type anaerobic digestion treatment method of food waste
InactiveCN101862747AInhibitory activityLow operating costSolid waste disposalVolatile fatty acidsProduct gas
The invention relates to a two-phase wet-type anaerobic digestion treatment method of food waste, which adopts an intermittent two-stage wet-type anaerobic digestion process aiming at food waste treatment characteristics: the solid-liquid separation is simultaneously achieved when crushed food waste is put in a hydrolysis acidification reactor to carry out acidification, acidified liquid enters into a methane-phase reactor to carry out continuous digestion, digested gas passes through a methane and carbon dioxide detector and a carbon dioxide absorber in sequence and finally enters into a gas collection device, and effluent water digestion liquid of a methane phase is recycled to an acidification phase. In the invention, the solid-liquid separation is simultaneously realized in the hydrolysis acidification process, therefore, the production ratio of volatile fatty acid is increased, and the hydraulic retention time of the acidification phase is reduced; effluent water of the methane phase is recycled to the acidification phase so as to dilute the input concentration and be capable of adjusting the pH value of the acidification reaction, therefore, the operation cost is saved, the pH value is easy to control, and the acidification effect is remarkably enhanced.
Owner:上海派升环保科技有限公司
Heat exchanger equipped with thermal electric device for engine exhaust carbon dioxide collection system
ActiveUS20130186075A1Efficient heatingGas treatmentInternal combustion piston enginesExternal combustion engineCollection system
A system for separating carbon dioxide gas from internal combustion engine exhaust and an electricity generating heat exchanger for the system. The system includes a scrubber tank containing a carbon dioxide absorbent fluid and configured to bubble exhaust gas from the heat exchanger through the carbon dioxide absorbent fluid, whereby carbon dioxide gas is absorbed by the carbon dioxide absorbent fluid. A carbon dioxide storage means stores the carbon dioxide released in a heat exchanger. The heat exchanger cools the exhaust gas emitted by the internal combustion engine, and includes a thermal electric generator (TEG) configured to couple thermally the exhaust gas chamber to the absorber fluid chamber in a manner effective to heat the CO2 absorbent fluid by heat from the engine exhaust to release CO2 gas from the CO2 absorbent fluid and generate electricity in response to a temperature difference therebetween.
Owner:DELPHI TECH IP LTD
Carbon dioxide absorbent and method of using the same
ActiveUS20100158777A1Low costImprove thermal stabilitySilicon organic compoundsUsing liquid separation agentPower stationAminosilochrome
In accordance with one aspect, the present invention provides an amino-siloxane composition comprising at least one of structures I, II, III, IV or V said compositions being useful for the capture of carbon dioxide from gas streams such as power plant flue gases. In addition, the present invention provides methods of preparing the amino-siloxane compositions are provided. Also provided are methods for reducing the amount of carbon dioxide in a process stream employing the amino-siloxane compositions of the invention as species which react with carbon dioxide to form an adduct with carbon dioxide. The reaction of the amino-siloxane compositions provided by the present invention with carbon dioxide is reversible and thus, the method provides for multicycle use of said compositions.
Owner:AIR PROD & CHEM INC
Liquid carbon dioxide absorbent and methods of using the same
InactiveUS20100154639A1Low costImprove thermal stabilityOther chemical processesUsing liquid separation agentPower stationLiquid carbon
A carbon dioxide absorbent comprising (i) a liquid, nonaqueous silicon-based material, functionalized with one or more groups that either reversibly react with CO2 or have a high-affinity for CO2 is provided and (ii) a hydroxy-containing solvent. The absorbent may be utilized in methods to reduce carbon dioxide in an exhaust gas, and finds particular utility in power plants.
Owner:GENERAL ELECTRIC CO
Preparation method of heavy metal polluted soil stabilizer
ActiveCN102965119AEasy to prepareAchieve carbon sequestration effectAgriculture tools and machinesSolid waste disposalTetramethylammonium hydroxideSynthetic Polymeric Macromolecules
The invention discloses a preparation method of a heavy metal polluted soil stabilizer, belonging to the technical field of soil remediation and treatment. The preparation method is characterized by comprising the following steps: blasting air or carbon dioxide gas under the conditions that polymine is used as a skeleton and a magnesium compound is used as an alkaline modifier and tetramethylammonium hydroxide is used as a carbon dioxide absorbent, and adding carbon disulfide to synthesize a mixture of a polymer chelating agent and a magnesium carbonate microcrystal; and adding ferric salt and carrying out chelating, oxidization / reduction, precipitation and adsorption to realize the efficiently stabilization of heavy metals in the polluted soil. In the stabilizer, the mass ratio of polymine to magnesium compound to tetramethylammonium hydroxide to ferric salt is 1:(0.2-0.6):(0.05-0.1):(0.1-0.5), wherein the molar weight of introduced carbon dioxide is at least 20% of that of magnesium ions and any amount of water is added. The stabilizer can be a solution or a crystal substance. The stabilizer is simple in synthetic technology and can realize efficient and fast stabilization of various heavy metals while carbon sequestration.
Owner:北京融合环保有限公司
Carbon dioxide absorber canister attachment
InactiveUS20060231092A1Easy to useAccurate connectionSnap fastenersRespiratory device testingCo2 absorptionFiltration
An interface mechanism is provided that removably unites a carbon dioxide absorption canister with a patient breathing circuit on a ventilator. The interface mechanism includes a cradle that is moveably positioned between a first position and a second position, wherein in the first position, the canister is coupled to the cradle and the cradle is positioned such that the canister is in fluid communication with the breathing circuit. In the second position, the canister is removable from the cradle and the cradle extends at an angle from the patient breathing circuit. The interface mechanism advantageously provides visual indication when the canister is removed and the breathing circuit is operating as a closed loop system, without CO2 filtration. The mechanism also facilitates efficient and accurate fluid connection between the carbon dioxide absorption canister and the breathing circuit.
Owner:GENERAL ELECTRIC CO
Breathable chemical, biological, radiation, and/or nuclear protection fabric or material
ActiveUS9475263B1Limited effectPerform operationSynthetic resin layered productsShieldingCompound (substance)Engineering
A protective fabric or material includes a base material and at least one inorganic filler selected from the group consisting of a chemical decontamination agent, a biological decontamination agent, an electromagnetic radiation shielding agent, an antimicrobial agent, a self-decontaminating agent, a decontamination catalyst, a carbon dioxide absorbing agent, and a combination thereof.
Owner:MATERIALS MODIFICATION INC
Carbon dioxide absorber canister attachment
InactiveUS7424889B2Easy to useAccurate connectionSnap fastenersRespiratory device testingCo2 absorptionFiltration
Owner:GENERAL ELECTRIC CO
Isotopic gas analyzer and method of judging absorption capacity of carbon dioxide absorbent
InactiveUS6940083B2Reliable analysisEliminate variationRadiation pyrometryInvestigating moving fluids/granular solidsAbsorption capacityProduct gas
In an isotopic gas analyzer, a gas injector (21) is provided for pressurizing a gas specimen in cells (11a,11b). The pressurization of the gas specimen virtually produces the same effect as increasing the concentration of carbon dioxide in the gas specimen, thereby improving an S / N ratio for the analysis and hence data reproducibility.
Owner:OTSUKA PHARM CO LTD
Absorption Type-Removal/Condensing Apparatus
ActiveCN105709563AGood removal effectImprove concentrationGas treatmentDispersed particle separationHoneycombRelative humidity
Owner:SEIBU GIKEN CO LTD
Anesthesia machine respiratory system and anesthesia machine
The invention is applicable to the technical field of medical equipment, discloses an anesthesia machine respiratory system and an anesthesia machine. The anesthesia machine respiratory system comprises a drive branch and a gas exhaust pipeline. The anesthesia machine respiratory system also comprises a switching device used for selectively guiding gases breathed out by a patient into the drive branch and or the gas exhaust pipeline to realize switching between re-inhaling or non-re-haling. The switching device is connected to the drive branch and the gas exhaust pipeline. The drive branch is connected to an absorption device. The anesthesia machine comprises the above the anesthesia machine respiratory system. According to the anesthesia machine respiratory system and the anesthesia machine provided by the invention, rapid switching between a non-re-haling system and a re-inhaling system can be realized. In the mode of the non-re-haling system, medical workers do not need to pay attention to whether a carbon dioxide absorbent in the absorption device needs to be replaced, so that burdens for the medical workers are reduced, and the usage is convenient.
Owner:SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD +1
Carbon dioxide absorbent and method of using the same
InactiveUS8030509B2Acceptable viscosity levelImprove the level ofSilicon organic compoundsUsing liquid separation agentPower stationAminosilochrome
Owner:AIR PROD & CHEM INC
Recyclable ionic liquid type carbon dioxide absorbent and preparation method thereof
ActiveCN102441312APromote absorptionReduce viscosityProductsAmino preparation from aminesPhosphoric acidCarboxylic acid
The invention provides recyclable ionic liquid type carbon dioxide absorbent and a preparation method thereof. The cation of the absorbent in the invention is a poly-nitrogen straight chain amine substance; and the anion of the absorbent is organic acid radical or inorganic acid radical, wherein the organic acid is a carboxylic acid derivative, a sulphuric acid derivative, a phosphoric acid derivative and carboxylic acid above C3. The preparation method of the absorbent comprises the steps of taking the poly-nitrogen straight chain amine substance and the organic acid or the inorganic acid as raw materials and synthesizing through an acid-base neutralization method. The absorbent disclosed by the invention can absorb CO2 at room temperature or under a high-temperature condition; the absorption effect above 15% on CO2 in mixed gas can be achieved; furthermore, the absorbed ionic liquid can be desorbed; the desorbing rate is more than 99%; the absorbent is recyclable; and, after the absorbent is utilized repetitively for many times, the original absorption amount still can be kept.
Owner:BEIJING UNIV OF CHEM TECH
Label, printing paper top layer formation material, information-bearing medium, wristband clip, and carbon dioxide reduction method using same
ActiveUS20130287986A1Reduction in carbon dioxideStampsCarbon compoundsCarbon dioxide absorberChemistry
Provided is one of labels 101, 120, 130 and 140, top layer materials formed on a printing medium 201, 246 and 266, information-bearing media 301, 330, 350 and 360, a solid fuel 401, and a wristband clip 510, having the function of absorbing carbon dioxide to which a new carbon dioxide absorbent is added. Provided are also carbon dioxide reduction methods of absorbing carbon dioxide by burning the same.
Owner:SATO HLDG CORP
Glove type operation box
ActiveCN103802138AReduce concentrationEasy to set upLighting and heating apparatusManipulatorCo2 absorptionEngineering
Provided is a glove type operation box which can reduce the concentration of carbon dioxide. A dehumidification rotary device is divided into an absorption area (2), a purification area (3), and a regeneration area (4) relative to the rotation direction of the dehumidification rotary device, a regeneration circulating path allowing air to circulate by passing through the regeneration area (4) is arranged to enable outside air to mix with a part of the regeneration circulating air for cooling. On this basis, the air passes through a carbon dioxide absorption tank (10) filled with a carbon dioxide absorbent composed of alkali metal hydroxide or alkali earth metal hydroxide, and then passes through the absorption area (2), and the air in the absorption area (2) is supplied to a drying chamber (16); moreover, the air enters into a cooling device (22) via the backflow air valve (18), so that the cooled and dried air can be returned back to the absorption area (2).
Owner:SEIBU GIKEN CO LTD
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