Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 61 for “"carbon dioxide capture"”.
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Carbon Dioxide Capture With Amine Functionlized Graphene Oxide
… oxide was used as sorbent in order to achieve carbon dioxide capture. In this study, micro size graphite flakes was prepared according to modified hummers method and "hummers' method with additional kmno4." Graphene oxide was then functionalized with ethylenediamine (eda). Different …
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Electrochemically-mediated membrane separations for carbon dioxide capture
… describes and analyzes several new designs for carbon dioxide (CO₂) separations using quinones in electrochemical cells. The intended application is carbon capture and sequestration. A quinone-ferrocene electrolyte is proposed as a novel chemistry for electrochemical carbon capture. Quantitative …
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Nanoclay-Based Solid-Amine Adsorbents for Carbon Dioxide Capture
… low cost, recyclable solid sorbent for carbon dioxide adsorption from large point sources, such as coal-fired power plants. The current commercial way to adsorb CO 2 is to use a liquid amine or ammonia process. These processes are used in industry in the "sweetening" of natural gas, but …
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Carbon Dioxide Capture: Using Activated Carbon From Chicken Waste
Carbon Dioxide (CO2) emission from hydrocarbon fuel combustion is becoming a serious concern because it is the main contributor to greenhouse gas which causes global warming. Activated carbon sorbents have been used widely in various gas-phase and/or liquid-phase separation. Currently activated …
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Mesoporous Functionalized Materials for Post-Combustion Carbon Dioxide Capture.
… adsorbents for post-combustion CO<sub>2</sub> capture.</p>
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Modeling and design for electrochemical carbon dioxide capture systems
… remain humanity's primary source of energy, carbon dioxide capture and storage will be needed to mitigate the effects of global climate change. Existing carbon dioxide separation technology is energetically intensive and expensive to employ in brownfield applications. This thesis describes a …
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Carbon Dioxide Capture with K-Promoted HTLC at High Temperature
… technology that economically and efficiently captures and concentrates CO2 from various stack and process streams is highly needed. Various cyclic adsorption processed are showing some promise as economic feasible options for CO2 capture. To this end, hydrotalcite-like compounds (HTlcs), when …
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Carbon dioxide capture by chemical absorption : a solvent comparison study
… generation accounting for 40% of the total'. Carbon capture and sequestration (CCS) is one of the options that can enable the utilization of fossil fuels with lower CO₂ emissions. Of the different technologies for CO₂ capture, capture of CO₂ by chemical absorption is the technology that is …
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Modeling advanced flash stripper for carbon dioxide capture using aqueous amines
… use is the major obstacle to deployment of CO2 capture. Alternative stripper configurations is one of the most promising ways to reduce the energy consumption of CO2 regeneration and compression. The advanced flash stripper (AFS) proposed in this work provides the best energy performance among …
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Thermodynamic and Experimental Studies of Ionic Liquids for Carbon Dioxide Capture
… of our generation 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 …
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ADVANCED POROUS MATERIALS IN MIXED MATRIX MEMBRANES FOR CARBON DIOXIDE CAPTURE
… development of separation technologies for CO2 capture from natural gas or biogas (CO2/CH4 separation) and flue gas (CO2/N2 separation). Mixed matrix membranes (MMMs) offer new opportunities to achieve breakthroughs in fabricating high-performance membranes for CO2 capture. In this thesis, …
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A systems perspective for assessing carbon dioxide capture and storage opportunities
… gases. The focus of one such effort is on the capture and storage of CO₂ (carbon dioxide) from anthropogenic fixed source emissions. This effort can be broken down into a few broad categories such as terrestrial, ocean and geologic sequestration. Geologic sequestration refers to all activities …
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Computational optimization of phase change materials on adsorbed carbon dioxide capture systems
Carbon dioxide (CO2) capture and sequester remains a critical area of research in chemical engineering. Novel sorbent/substrate structuring and novel sorbent compositing are emerging fields of research for advancing the efficiency of adsorbent-based capture technologies and establishing the …
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