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Co2 capture
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CO2 methanation is one of the advantageous processes of carbon capture and utilisation (CCU) technologies to circulate the carbon on Earth, mitigating the release and loss of CO2 into the atmosphere.
12p
visergeyne
18-06-2024
3
0
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Ebook "In silico modeling and experimental validation for improving methanogenesis from CO2 via M. maripaludis" explores the ability of M. maripaludis to capture and convert CO2 to methane in the presence of free nitrogen, and offers a consolidated review of the metabolic processes and applications of M. maripaludis. Further, it develops, validates and analyzes the first genome-scale metabolic model (iMM518) of M. maripaludis. Readers will discover, for the first time, the impact of nitrogen fixation on methane production.
140p
tracanhphuonghoa1007
22-04-2024
4
2
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Ebook "Porous organic frameworks: Design, synthesis and their advanced applications" describes the design, synthesis, characterization and applications of porous organic frameworks (POFs). Special emphasis is placed on the utilization of porous materials for CO2 capture and CH4 and H2 storage, which have promising potential for addressing the issues of environmental degradation and climate change. It also includes two chapters introducing the properties of POFs and defining the principles of synthesis, as well as a chapter dealing with post-modified POFs.
135p
tudohanhtau1006
29-03-2024
5
1
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Ebook "Carbon dioxide capture: An effective way to combat global warming" summarizes the various options available for carbon capture and presents the current strategies involved in CO2 reduction. The authors focus on current CO2 capture technologies that facilitate the reduction of greenhouse gas (CO2) emissions and reduce global warming. This short study will interest environmental researchers, teachers and students who have an interest in global warming.
62p
tudohanhtau1006
29-03-2024
2
1
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Part 2 book "Efficiency and sustainability in the energy and chemical industries - Scientific principles and case studies" includes content: Chemical conversion; a note on life cycle analysis, sustainable development; efficiency and sustainability in the chemical process industry; CO2 capture and sequestration; sense and nonsense of green chemistry and biofuels; solar energy conversion; hydrogen - fuel of the future; future trends.
209p
muasambanhan09
12-03-2024
2
1
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The article has shown that in terms of science and technology, the research method to recover CO2 from coal - fired emissions as a carbon source for photosynthetic microalgae has shown to be effective and sustainable.
8p
viindra
06-09-2023
4
2
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Economic development in many developing countries is leading to a significant increase in atmospheric CO2 in recent decades, exacerbating global climate change. One of the solutions being vigorously researched is the use of cheap and environmentally friendly CO2 adsorbents.
10p
viannee
02-08-2023
3
3
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Graphene is a promising candidate for CO2 capture, storage, and sensor. Doping graphene with other elements is an effective way to modify its CO2 storage ability. The literature has shown that the N and B dopants could change the adsorption strength of CO2 on the graphene substrate.
10p
vispiderman
15-06-2023
4
2
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Chemical absorption of CO2 into aqueous amine solutions using a nonstirred bubble column was experimentally investigated. The performance of CO2 absorption of four different primary and secondary amines including monoethanolamine (MEA), piperazine (PZ), 2-piperidineethanol (2PE), and homopiperazine (HPZ) were compared. The effects of initial concentration of amine, the inlet mole fraction of CO2 , and solution temperature on the rate of CO2 absorption and CO2 loading (mol CO2 /mol amine) were studied in the range of 0.02–1 M, 0.10–0.15, and 25–40 °C, respectively.
12p
lyhuyenthu
31-01-2023
5
2
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Bismuth-based metal-organic frameworks (Bi-MOFs) such as bismuth subgallate are important for applications ranging from medicine to gas separation and catalysis. Due to the porous nature of such Bi-MOFs, it would be valuable to understand their gas sorption and separation properties.
12p
vironald
15-12-2022
7
2
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The applicability of 3D-printed activated carbons for their use to CO2 capture in post-combustion streams and the influence of activation conditions on CO2 uptake and CO2 to N2 selectivity were studied.
13p
vironald
15-12-2022
3
2
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Anthropogenic greenhouse gas emission poses as serious threat to our environment and it is therefore of utmost importance that efficient systems are developed to mitigate these issues. SF6, in particular, has attracted more attention in recent years due to its global warming potential which severely exceeds that of CO2.
9p
vironald
15-12-2022
6
2
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Efficient CO2 capture is necessary to solve the current environmental problems of global warming. Porous materials are promising for this purpose and adsorption capacity is a critical issue. Large cations in zeolites can often attach two small molecules, but it is not yet well established whether this applies to CO2.
10p
vironald
15-12-2022
8
2
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The rate constants and the activation energies of the reaction between carbon dioxide and 1,1,3,3-tetramethylguanidine (TMG) in 1-propanol solution were measured by a stopped-flow technique at a temperature range of 288–308 K and at a TMG concentration range of 2.5–10.0 wt %. Based on the pseudo-first-order reaction for CO2 , the reaction was modeled by a termolecular reaction mechanism, which resulted in a rate constant of 199.30 m 3 kmol −1 s −1 at 298 K. The activation energies were 5.19 kJ/mol and 5.26 kJ/mol at 2.5 and 5.0 wt % TMG, respectively.
12p
langthannam
29-12-2021
8
0
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Mesoporous polyethylene glycol (PEG)/silica and carbon black (CB)/silica xerogel composites were prepared by the solgel method as an adsorbent for CO2 adsorption. The CO2 adsorption process was carried out under pure CO2 atmosphere at room temperature in addition to ambient air. The xerogel composites with high surface area and pore volume showed better CO2 adsorption capacity than the pure silica xerogel. After modifying samples with propylene diamine using the wet impregnation method, an increase in CO2 adsorption capacity was observed for the samples except CB/silica xerogel composite.
11p
langthannam
29-12-2021
8
0
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The adsorption capacity of CO2 and H2 in the absence and presence of water medium in MIL-88A was analyzed. We found that the magnitude of the CO2 capacity was many times higher than that of the H2 capacity, which led to rather high CO2/H2 selectivity.
13p
meyerowitz
25-12-2021
14
0
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A gas mixture representing oxy-fuel combustion conditions was employed in a thermogravimetric analyser to determine the effect of water vapor and SO2 concentration on limestone sulfation kinetics over the temperature range of 800 to 920°C. Here, experiments used small samples of particles (4 mg), with small particle sizes (dp < 38 µm) and large gas flow rates (120 mL/min@ NTP) in order to minimize mass transfer interferences. The gas mixture contained 5000 ppmv SO2, 2% O2, and the H2O content was changed from 0% to 25% with the balance CO2.
11p
tudichquannguyet
29-11-2021
11
1
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Magnetic and nonmagnetic activated carbons (ACs) were successfully prepared by using AC obtained from spent coffee grounds (SCGs) for use in CO2 and CH4 capture. SCGs were activated by chemical activation to produce ACs and a magnetic α-Fe2O3/AC composite was prepared by coprecipitation method from the ACs produced. Magnetic and nonmagnetic samples were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and energy dispersive X-ray spectrometry (EDX) techniques.
18p
tudichquannguyet
29-11-2021
10
1
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Low-cost activated carbon (AC) samples obtained from waste coffee grounds were used for CO2 and CH4 adsorption. ACs were prepared by chemical activation and carbonized at three different temperatures. AC carbonized at 800◦C showed a relatively high surface area (582.92 m2 g−1) and high adsorption capacities of 2.6 mmol g−1 and 1.1 mmol g−1 at 25◦C for CO2 and CH4, respectively. Adsorbent samples were prepared by loading of Fe3+ metal ions onto ACs and their adsorption capacities were compared with those of nonloaded ACs.
15p
tudichquannguyet
29-11-2021
7
1
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Research on landfill gases (LFGs) collection mainly consisting of CH4 and CO2 gases, is not only a solution to decrease environmental risks but also to utilize and generate an alternative clean power source of coal. Many typical landfill cases in Vietnam, which install a recovery system and remove captured CH4 by the flaring methods, are able to contribute to reducing significantly greenhouse gas (GHG) emissions with roughly 0.25 tCO2–eq/tons being equivalent to 7.8 million tons of CO2–eq/year.
21p
cothumenhmong11
06-05-2021
14
1
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