Low energy packed tower and caustic recovery for direct capture of CO2 from air
نویسندگان
چکیده
منابع مشابه
Low-energy sodium hydroxide recovery for CO2 capture from atmospheric air—Thermodynamic analysis
To reduce the risks of climate change, atmospheric concentrations of greenhouse gases must be lowered. Direct capture of CO2 from ambient air, ‘‘air capture’’, might be one of the few methods capable of systematically managing dispersed emissions. The most commonly proposed method for air capture is a wet scrubbing technique which absorbs CO2 in an alkaline absorbent, i.e. sodium hydroxide prod...
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15 صفحه اولEnergy Savings Potential through Waste Heat Recovery from Flue Gas for Post Combustion Co2 Capture
Flue gas from a plant using fossil fuels contains CO2. Thus power/process plants using fossil fuels contribute to climate change if CO2 in flue gas is not captured. The process of CO2 capture from flue gas is called „postcombustion‟ CO2 capture. Existing plants may be retrofitted with this process to minimize CO2 emission. Amine solutions are mostly used for this process to scrub the flue gas. ...
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Ammonia was used for the major absorbent while sodium hydroxide was used as a reference in either a bubble column (semi-batch reaction) or a packed tower (continuous reaction) to absorb CO2 in this study. In the bubble column, bubbling time as a function of temperature, pH, and dissolved inorganic carbon concentration in the solution was measured to see the characteristics of the reaction and t...
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Reducing CO2 emission and lowering the concentration of greenhouse gases in the atmosphere has quickly become one of the most urgent environmental issues. While a variety of technologies and methods have been developed, the separation of CO2 from gas streams is still a critical issue. Apart from establishing new techniques, the exploration of membrane materials with high separation performance ...
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ژورنال
عنوان ژورنال: Energy Procedia
سال: 2009
ISSN: 1876-6102
DOI: 10.1016/j.egypro.2009.01.201