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Showing 1 to 20 of 25 for “"CO2 absorption"”.
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CO2 absorption into concentrated carbonate solutions with promoters at elevated temperatures
As atmospheric carbon dioxide (CO2) emissions continue to increase, it becomes important to develop methods to capture CO2 from large emission sources such as power plants. The Hot Carbonate Absorption Process with Crystallization Enabled High Pressure Stripping (Hot-CAP), which employs a …
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Mathematical modeling and simulation of the performance of potassium glycinate in CO2 absorption in a packed-bed absorption column
… model representation for the capture of CO2 using potassium glycinate as the absorption solvent. To this end, the study was subdivided into three major parts each designed to generate the requisite data for the subsequent stage. The three major parts of the study included the development …
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To develop a new mineral carbonation process that have a high efficiency in CO2 absorption into industry slag using low energy mechanical milling
Increase in the CO2 emission in atmosphere due to the combustion of fossil fuels has caused serious global warming. Electricity generation, tranportation, and industrial waste are the main sectors indentified to contribute to the emission of CO2 in Malaysia. In dealing with this issue, the …
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CO2 Separation Using Regenerable Magnesium Solutions Dissolution, Kinectics and VLSE Studies
… for a considerable amount of total anthropogenic CO2 emissions throughout the world. CO2 capture and sequestration from point source emitters like fossil fuel power plants is essential to mitigate the harmful effects of greenhouse gases. A novel post-combustion CO2 capture technique has been …
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Absorption based processes applying phase transition for energy efficient postcombustion CO2 capture
The conventional CO2 absorption process, using an aqueous 30 wt% monoethanolamine (MEA) solvent for postcombustion CO2 capture, is energy intensive and thus costly. The novel phase transitional CO2 absorption process has been regarded as a promising alternative to the benchmark MEA process. The …
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A Comparison Study of Carbon Dioxide Absorption Performance in MEA and Blended Amine Solvents for Post-combustion Process: Experiment, Modeling and Simulation
… excess carbon dioxide emissions. Carbon dioxide (CO2) is one of the main greenhouse gases due to human activities. However, high costs remain the main challenge to control the carbon dioxide from industry. Due to this issue, the carbon capture technique is developing slowly in most developing …
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Performance Evaluation of Condiments as Environmentally Friendly Corrosion Inhibitors for Amine-Based Carbon Dioxide Absorption Process
… and piping in the amine-based carbon dioxide (CO2) absorption process causes considerable expenditures for maintenance and repair. The addition of effective corrosion inhibitors to the amine solutions is a common practice for corrosion mitigation. Despite their inhibition effectiveness, those …
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Experimental and theoretical study of carbon dioxide absorption into potassium carbonate solution promoted with enzyme
… Panel on Climate Change (IPCC), carbon dioxide (CO2) concentration in the atmosphere has increased from its pre-industrial value of 280 parts per million by volume (ppmv) to 384 ppmv. IPCC predicts that CO2 concentration in the atmosphere will rise to 550 ppmv by the year 2100, if anthropogenic …
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Preparation and Characterisation of Ionic Liquids and Investigations into their Potential use in the Absorption and Sequestration of Carbon Dioxide
… the ionic liquids and as such can be used in CO2 absorption investigations. The last category of ionic liquids, are those which contain a phosphonium cation (trioctyl) quaternised with a number of groups containing different functionalities for different potential applications. In particular a …
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Design and evaluation of a grain respiration measurement system for dry matter loss of soybeans
… of soybeans through monitoring carbon dioxide (CO2) from grain respiration by gravimetric analysis. The system consisted of three parts: conditioned air input, grain respiration column, and moisture and carbon dioxide absorption columns. The system was tested for maximum loading rates …
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The search for new materials for high-temperature carbon capture and storage
… material shown to reversibly react with CO2, Ba4Sb2O9. A combination of in situ thermogravimetric, diffraction and imaging techniques were used to characterise the structural evolution of the material and its stability upon repeated carbonation cycles. Remarkably stable capacity retention …
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CO2-Hydrierung in Aminen
Die Verringerung von CO2-Emissionen und die Schaffung eines Kohlenstoffkreislaufs sind Gegenstand vieler Forschungsarbeiten. Mittels Absorption wird CO2 in einem Lösungsmittel (vorrangig Alkoholamine) aus verschiedenen Gasmischungen abgetrennt und anschließend zu Wertstoffen umgesetzt. In der …
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Evaluation of carbon dioxide absorption capacity and biomass accumulation of sub-urban plants in Universiti Tun Hussein Onn Malaysia (UTHM)
Carbon dioxide (CO2), is an important greenhouse gas which plays a vital role in the Earth's carbon cycle. Its continuous increase above the ambient concentration leads to global warming. The localized increase in CO2 emission in UTHM is due to a large number of automobiles and other greenhouse …
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Performance of Carbon Dioxide Absorption into Monoethanolamine Solution in a Spray Chamber
Carbon dioxide (CO2) capture technology is considered an effective method to reduce the greenhouse gas emissions from industrial sources and mitigate the global warming problem. Currently, CO2 absorption is the most promising method for CO2 capture. Although many different types of amine can be …
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Engineering physico-chemical interactions across drug delivery, agriculture and carbon capture
… are used to enhance interfacial areas in CO2 absorption and develop a carbon capture system that could lead to a 2.6x reduction in plant capital costs.
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Carbonated foamed cellular concrete
… responsible for 6% of the global carbon dioxide (CO2) production. Creation of Portland cement produces about 0.8 tons of CO2 per ton of cement. However, hardened cementitious paste (Used in FCC or conventional concrete) can re-absorb up to 65% of the emitted CO2 through the carbonation reaction. …
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Characterisation and simulation of InAs/InAsSb structures for mid-infrared LEDs
… was obtained, with the 4.2 µm CO2 absorption fingerprint identifiable. The electroluminescence spectra displayed similar behaviour to the PL spectra. Microwatt output powers were produced by the devices at room temperature. Approaches to improve device performance are …
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Air-sea CO2 cycling in the southeastern Beaufort Sea
… eddy covariance measurements, we found enhanced CO2 exchange associated with new ice formation in winter flaw leads. This exchange was typically directed towards the surface, although we also measured one instance of outgassing. Sea surface dissolved CO2 measurements (pCO2sw) in Amundsen Gulf …
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Thermodynamic and Experimental Studies of Ionic Liquids for Carbon Dioxide Capture
… is global warming. Emission of carbon dioxide (CO2) is possibly the most significant greenhouse gas activity implicated in climate change. As a result, the development of environmentally friendly, energy efficient and economic capture technologies for CO2 from flue gas is becoming a hot topic. …
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Using simulation and lab validation to develop a MnCO3 Recovery Process using CO2
… using a greenhouse gas (carbon dioxide gas, CO2) and ammonia (NH3) as a sustainable and cheaper alternative purification method. A high-concentration industrial MnSO4 pregnant leach solution containing at least 93.9 wt.% Mn2+, 2.23 wt.% Mg2+, and 0.14 wt.% Ca2+ was used. The results on the …
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