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Artykuły w czasopismach na temat „Capture de CO₂”

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Data publikacji: 23 listopada 2024

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1

Green, N. S., C. E. Early, L. K. Beard i K. T. Wilkins. "Multiple captures of fulvous harvest mice (Reithrodontomys fulvescens) and northern pygmy mice (Baiomys taylori): evidence for short-term co-traveling". Canadian Journal of Zoology 90, nr 3 (marzec 2012): 313–19. http://dx.doi.org/10.1139/z11-137.

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Multiple captures of small mammals (finding >1 animal in a single trap) are often used to infer pair-bonding activity in arvicoline and cricetine rodents. We analyzed data from a 2-year trapping study to determine whether fulvous harvest mice ( Reithrodontomys fulvescens J.A. Allen, 1894) and (or) northern pygmy mice (Baiomys taylori (Thomas, 1887)) travel in mixed-sex mated pairs. A significant majority of multiple capture events (MCEs) in R. fulvescens were mixed-sex, whereas sex composition of pairs in B. taylori did not differ from random. Multiple capture probability was significantly positively related to abundance and unrelated to sex ratio in both species. Multiple captures of B. taylori were more common in winter, suggesting that individuals may associate to huddle for warmth. Masses of singly captured and multiply captured individuals were not significantly different in either species, contraindicating trap bias. Only one co-captured mixed-sex pair was recaptured as a pair (in R. fulvescens) and several animals of both sexes in both species were co-captured with multiple individuals. We concluded that R. fulvescens co-travels with mates for variable lengths of time, but we found no evidence that multiple captures of B. taylori are related to reproductive behavior.
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Aresta, Michele, Angela Dibenedetto i Antonella Angelini. "The use of solar energy can enhance the conversion of carbon dioxide into energy-rich products: stepping towards artificial photosynthesis". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 371, nr 1996 (13.08.2013): 20120111. http://dx.doi.org/10.1098/rsta.2012.0111.

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The need to cut CO 2 emission into the atmosphere is pushing scientists and technologists to discover and implement new strategies that may be effective for controlling the CO 2 atmospheric level (and its possible effects on climate change). One option is the capture of CO 2 from power plant flue gases or other industrial processes to avoid it entering the atmosphere. The captured CO 2 can be either disposed in natural fields (geological cavities, spent gas or oil wells, coal beads, aquifers; even oceans have been proposed) or used as a source of carbon in synthetic processes. In this paper, we present the options for CO 2 utilization and make an analysis of possible solutions for the conversion of large volumes of CO 2 by either combining it with H 2 , that must be generated from water, or by directly converting it into fuels by electrolysis in water using solar energy. A CO 2 –H 2 -based economy may address the issue of reducing the environmental burden of energy production, also saving fossil carbon for future generations. The integration of CO 2 capture and utilization with CO 2 capture and storage would result in a more economically and energetically viable practice of CO 2 capture.
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3

Roussanaly, Simon, i Rahul Anantharaman. "Cost-optimal CO 2 capture ratio for membrane-based capture from different CO 2 sources". Chemical Engineering Journal 327 (listopad 2017): 618–28. http://dx.doi.org/10.1016/j.cej.2017.06.082.

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Saragih, Harriman Samuel, Togar Simatupang i Yos Sunitiyoso. "From co-discovery to co-capture: co-innovation in themusic business". International Journal of Innovation Science 11, nr 4 (29.11.2019): 600–617. http://dx.doi.org/10.1108/ijis-07-2019-0068.

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Purpose Previous work has asserted that the co-innovation process in the music business is composed of four stages, i.e. co-discovery, co-creation, co-delivery and co-capture. This study aims to re-examine and validate this proposed conceptualisation by gathering and interviewing additional respondents, specifically academics and professional event organisers, who were not formerly involved. By gaining more insight from different stakeholders, this study expects to gain more reliable results regarding the proposed concept derived from the previous study. Design/methodology/approach This study uses the case study method by carrying out qualitative interview data collection from 11 respondents. Narrative analysis is used in examining the findings. Pattern matching is used as the basis of the analysis using the proposed conceptualisation from co-discovery to co-capture of co-innovation as the rival analysis to the empirical findings discovered in this study. This paper also discusses how the validity and reliability of the qualitative analysis carried out are ensured. Findings This study supports the notion that the co-innovation process in the music industry follows the four stages of co-discovery, co-creation, co-delivery and co-capture. The respondents, from different professional backgrounds, interviewed in this study indicated and validated that the proposed framework aligns with their actual practices, expectations and realities, along with their specific roles in the music industry’s ecosystems. Practical implications The results of this study can be used as a reference in developing guidelines or policies for co-innovation practices in the music business, which previous studies have not explored, e.g. focusing only on preconditions for positive collaboration, open license and music for co-creation or discussions that are merely conceptual. Originality/value This study validates the co-innovation process in the music business proposed by the previous works, which integrates the value chain thinking concept within the analysis.
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5

Leverick, Graham, i Betar M. Gallant. "Electrochemical Reduction of Amine-Captured CO2 in Aqueous Solutions". ECS Meeting Abstracts MA2023-01, nr 26 (28.08.2023): 1719. http://dx.doi.org/10.1149/ma2023-01261719mtgabs.

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Technologies that can capture CO2 and enable conversion into value-adding chemicals and fuels or stable minerals for sequestration are vital for transitioning towards net zero or even negative greenhouse gas emissions. Conventional approaches for electrochemically converting CO2 have utilized a decoupled approach of first capturing and concentrating CO2, and then using the concentrated CO2 as a feedstock for conventional electrochemical processes. Direct electrochemical reduction of amine-captured CO2 1,2 can potentially offer advantages by removing the need to thermally regenerate the amine capture solution, which can be energy intensive and typically uses thermal energy from nonrenewable sources. In this talk, we share our recent work on the electrochemical reduction of amine-captured CO2 to value-adding products like CO and stable minerals like carbonates. We discuss the influence of the capture environment on the resulting capture solution chemistry, and how to alter the capture solution speciation through electrolyte design. We further consider the detailed CO2 reduction mechanisms in these amine-containing solutions and provide design strategies for increasing the Faradaic efficiency of CO2 reduction vs. the competitive hydrogen evolution reaction (HER), as well as decreasing the overpotential of CO2 reduction. References: (1) Chen, L.; Li, F.; Zhang, Y.; Bentley, C. L.; Horne, M.; Bond, A. M.; Zhang, J. Electrochemical Reduction of Carbon Dioxide in a Monoethanolamine Capture Medium. ChemSusChem 2017, 10 (20), 4109–4118. (2) Lee, G.; Li, Y. C.; Kim, J.-Y.; Peng, T.; Nam, D.-H.; Sedighian Rasouli, A.; Li, F.; Luo, M.; Ip, A. H.; Joo, Y.-C.; Sargent, E. H. Electrochemical Upgrade of CO2 from Amine Capture Solution. Nat. Energy 2021, 6 (1), 46–53.
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6

Ramanan, G., i Gordon R. Freeman. "Electron thermalization distance distribution in liquid carbon monoxide: electron capture". Canadian Journal of Chemistry 66, nr 5 (1.05.1988): 1304–12. http://dx.doi.org/10.1139/v88-212.

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Electron thermalization in X irradiated liquid CO is truncated by electron capture to form an anion, as it is in liquid N2. The thermalization distance distribution in these two liquids is a modified exponential, rather than the modified Gaussian obtained in liquid hydrocarbons where electron capture does not occur. The density normalized distance parameter bEPd in CO was constant, 2.8 × 10−6 kg/m2, at densities [Formula: see text], but increased somewhat at lower densities, reaching 3.3 × 10−6 kg/m2 at d/dc = 1.4. The thermalization distances in CO are about two thirds those in N2 at the same density. Electrons are captured more readily by CO than by N2.
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7

Wang, Tao, Kun Ge, Jun Liu i Meng Xiang Fang. "A Thermodynamic Analysis of the Fuel Synthesis System with CO2 Direct Captured from Atmosphere". Advanced Materials Research 960-961 (czerwiec 2014): 308–15. http://dx.doi.org/10.4028/www.scientific.net/amr.960-961.308.

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Hydrocarbon fuel synthesis with renewable energy and captured CO2is a promising option for CCU and an important approach to sustainable energy. Like photosynthesis of plants, the technology of CO2direct captured from atmosphere with CO2utilization would close the carbon cycle thoroughly. Because of the dilute CO2in the atmosphere, the air capture process faces the challenge of high energy penalty. However, integrated with fuel synthesis process, the air capture process can take advantage of the waste heat produced by syngas production process and the transportation of CO2can also be avoided. In this study, a thermodynamic model of the fuel synthesis system is built through energy and exergy analysis. The thermodynamic contribution of three typical CO2capture technologies, moisture swing air capture, high-temperature swing air capture and traditional amine-based flue gas capture, is studied using the model built. Furthermore, by the sensitivity analysis of the critical parameters of the capture, electrolysis and heat exchange process, the influence of each process on the performance of fuel synthesis system is examined and the approach to improve the efficiency of the total system is proposed.
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8

Chan, Hao Xian Malcolm, Eng Hwa Yap i Jee Hou Ho. "Overview of Axial Compression Technology for Direct Capture of CO2". Advanced Materials Research 744 (sierpień 2013): 392–95. http://dx.doi.org/10.4028/www.scientific.net/amr.744.392.

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Carbon Capture and Storage (CCS) is one of the global leading methods that could potentially retard the speed of climate change. However, CCS on point sources can only slowdown the rate of increase of atmospheric CO2 concentration. In order to mitigate CO2 released by previous emissions, a more proactive alternative is proposed where CO2 is directly extracted and captured from air Direct Air Capture (DAC). This paper presents a technical overview from our current research of a novel DAC concept which features a phase of axial compression to adapt pre-capture atmospheric air to a level suitable for carbon capture. Also detailed in the paper is the feasibility study addressing several key issues: the energy consumption and overall capturing efficiency of the proposed DAC system.
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9

Deng, Liyuan, i Hanne Kvamsdal. "CO 2 capture: Challenges and opportunities". Green Energy & Environment 1, nr 3 (październik 2016): 179. http://dx.doi.org/10.1016/j.gee.2016.12.002.

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10

Reis Machado, Ana S., i Manuel Nunes da Ponte. "CO 2 capture and electrochemical conversion". Current Opinion in Green and Sustainable Chemistry 11 (czerwiec 2018): 86–90. http://dx.doi.org/10.1016/j.cogsc.2018.05.009.

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11

Tuğrul Erdem, R. "Innovative technologies in the cement industry". Cement Wapno Beton 26, nr 5 (2021): 444–51. http://dx.doi.org/10.32047/cwb.2021.26.5.7.

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The paper discusses several research projects on CO 2 capture, storage or usage [CCS/U] technologies in the cement industry. The technology of reducing CO2 emissions by capturing it from flue gases in a cement kiln installation has the greatest reduction poten- tial, but at the same time requires large investments and additional infrastructure for the transfer of captured CO 2 , and is associated with an increased demand for electricity in the cement plant. The article presents the research projects carried out in which various solutions for both CO 2 capture and its further usage were used.
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12

Gomez-Garcia, J. Francisco, i Heriberto Pfeiffer. "Structural and CO2capture analyses of the Li1+xFeO2(0 ≤ x ≤ 0.3) system: effect of different physicochemical conditions". RSC Advances 6, nr 113 (2016): 112040–49. http://dx.doi.org/10.1039/c6ra23329e.

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α-Li1+xFeO2compounds have been synthesized by nitrate decomposition at low temperature. Their CO2capture were evaluated in CO2and CO2+ steam atmospheres. The amount captured in CO2+ steam atmosphere was 24 wt%, also magnetite was formed.
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13

Kothandaraman, Jotheeswari, Alain Goeppert, Miklos Czaun, George A. Olah i G. K. Surya Prakash. "CO2capture by amines in aqueous media and its subsequent conversion to formate with reusable ruthenium and iron catalysts". Green Chemistry 18, nr 21 (2016): 5831–38. http://dx.doi.org/10.1039/c6gc01165a.

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Conversion of carbon dioxide (CO2) captured from industrial sources (e.g.flue gas of power plants) or even from ambient air to formate through CO2capture and utilization (CCU) as a possible strategy to mitigate anthropogenic CO2emissions to the atmosphere is proposed.
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14

Xiao, Yurou Celine, Christine M. Gabardo, Shijie Liu, Geonhui Lee, Yong Zhao, Colin P. O'Brien, Rui Kai Miao i in. "Integrated Capture and Electrochemical Conversion of CO2 into CO". ECS Meeting Abstracts MA2023-02, nr 47 (22.12.2023): 2390. http://dx.doi.org/10.1149/ma2023-02472390mtgabs.

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The capture and electrochemical conversion of CO2, powered by renewable electricity, is an attractive method of sustainably producing valuable chemicals and fuels (e.g. carbon monoxide (CO)), reducing atmospheric CO2, and storing intermittent renewable energy. Integrated capture and conversion (reactive capture) of CO2 presents a CO2-to-CO electrolysis pathway that eliminates most of the upstream capital and energy costs by releasing CO2 directly inside the electrolyzer using an internal pH-swing. The reactive capture system readily allows for the collection of produced gas products via phase separation, thus minimizing downstream separation costs. Industrial-scale integration of reactive capture systems with upgrading processes require a pure and consistent product stream. Previous studies using bicarbonate electrolytes have demonstrated high selectivity towards CO. However, the limited CO2 capture capacity of bicarbonate electrolytes dilute the cathode product gas stream with excess CO2. This mandates a secondary CO2 capture unit and increases the cost of downstream separation. Other studies using carbonate or carbamate electrolyte as the inlet feed did not simultaneously achieve high CO selectivity and long-term stability. This study sought to improve the Faradaic efficiency (FE) toward CO in our carbonate electrolysis system by engineering a novel membrane electrode assembly structure. We designed a composite CO2 diffusion layer (CDL) between the cathode and the membrane that attains high CO selectivity by simultaneously achieving high alkalinity and sufficient CO2 availability at the cathode. We determined that the thickness, wettability, and permeability of the CDL affected species transport and were important optimization parameters. Applying this strategy, we produced syngas, a mixture of CO and hydrogen (H2), with an industrial H2/CO ratio of 1.16 at 200 mA cm-2. This corresponded to a CO Faradaic efficiency (FE) of 46% and energy intensity of 52 GJ tsyngas-1. The syngas produced in this system was not diluted by CO2 and contained sufficient CO content to meet industrial standards. We further increased the FE towards CO by exploring different capture solutions and designing selective catalysts for energy efficient CO production. System parameters such as temperature and pressure effects were also investigated to improve the CO2 concentration at the cathode. This study illustrated the potential for the industrial implementation of an energy efficient and capital cost effective CO2-to-CO pathway via reactive capture.
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15

Ari, Betul, Erk Inger, Aydin K. Sunol i Nurettin Sahiner. "Optimized Porous Carbon Particles from Sucrose and Their Polyethyleneimine Modifications for Enhanced CO2 Capture". Journal of Composites Science 8, nr 9 (27.08.2024): 338. http://dx.doi.org/10.3390/jcs8090338.

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Carbon dioxide (CO2), one of the primary greenhouse gases, plays a key role in global warming and is one of the culprits in the climate change crisis. Therefore, the use of appropriate CO2 capture and storage technologies is of significant importance for the future of planet Earth due to atmospheric, climate, and environmental concerns. A cleaner and more sustainable approach to CO2 capture and storage using porous materials, membranes, and amine-based sorbents could offer excellent possibilities. Here, sucrose-derived porous carbon particles (PCPs) were synthesized as adsorbents for CO2 capture. Next, these PCPs were modified with branched- and linear-polyethyleneimine (B-PEI and L-PEI) as B-PEI-PCP and L-PEI-PCP, respectively. These PCPs and their PEI-modified forms were then used to prepare metal nanoparticles such as Co, Cu, and Ni in situ as M@PCP and M@L/B-PEI-PCP (M: Ni, Co, and Cu). The presence of PEI on the PCP surface enables new amine functional groups, known for high CO2 capture ability. The presence of metal nanoparticles in the structure may be used as a catalyst to convert the captured CO2 into useful products, e.g., fuels or other chemical compounds, at high temperatures. It was found that B-PEI-PCP has a larger surface area and higher CO2 capture capacity with a surface area of 32.84 m2/g and a CO2 capture capacity of 1.05 mmol CO2/g adsorbent compared to L-PEI-PCP. Amongst metal-nanoparticle-embedded PEI-PCPs (M@PEI-PCPs, M: Ni, Co, Cu), Ni@L-PEI-PCP was found to have higher CO2 capture capacity, 0.81 mmol CO2/g adsorbent, and a surface area of 225 m2/g. These data are significant as they will steer future studies for the conversion of captured CO2 into useful fuels/chemicals.
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Harwood, Gyan, i Leticia Avilés. "Differences in group size and the extent of individual participation in group hunting may contribute to differential prey-size use among social spiders". Biology Letters 9, nr 6 (23.12.2013): 20130621. http://dx.doi.org/10.1098/rsbl.2013.0621.

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We have previously shown that the range of prey sizes captured by co-occurring species of group-hunting social spiders correlates positively with their level of sociality. Here, we show that this pattern is probably caused by differences among species in colony size and the extent to which individuals participate in group hunting. We assess levels of participation for each species from the fraction of individuals responding to the struggling prey that partake as attackers and from the extent to which the number of attackers increases with colony size. Of two species that form equally large colonies, the one that captures on average larger prey engaged as attackers a significantly larger fraction of individuals that responded to struggling prey and also increased its number of attackers in larger colonies when presented with large prey items. Surprisingly, a third co-occurring species previously found to capture smaller insects than the other two exhibited the highest levels of participation. This species, however, typically forms small single-family colonies, thereby being limited in the size of insects it can capture. It is thus a combination of colony size and the extent of individual participation (or cooperation) that probably determines patterns of resource use in this community of co-occurring social predators.
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Wei, Duo, Henrik Junge i Matthias Beller. "An amino acid based system for CO2 capture and catalytic utilization to produce formates". Chemical Science 12, nr 17 (2021): 6020–24. http://dx.doi.org/10.1039/d1sc00467k.

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A novel amino acid based reaction system for CO2 capture and utilization (CCU) to produce formates is presented applying a ruthenium-based catalyst. Noteworthy, CO2 can be captured from ambient air and converted to formates in one-pot (TON > 50 000).
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Kothandaraman, Jotheeswari, i David J. Heldebrant. "Towards environmentally benign capture and conversion: heterogeneous metal catalyzed CO2 hydrogenation in CO2 capture solvents". Green Chemistry 22, nr 3 (2020): 828–34. http://dx.doi.org/10.1039/c9gc03449h.

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Stolaroff, Joshuah K., Congwang Ye, James S. Oakdale, Sarah E. Baker, William L. Smith, Du T. Nguyen, Christopher M. Spadaccini i Roger D. Aines. "Microencapsulation of advanced solvents for carbon capture". Faraday Discussions 192 (2016): 271–81. http://dx.doi.org/10.1039/c6fd00049e.

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Purpose-designed, water-lean solvents have been developed to improve the energy efficiency of CO2 capture from power plants, including CO2-binding organic liquids (CO2BOLs) and ionic liquids (ILs). Many of these solvents are highly viscous or change phases, posing challenges for conventional process equipment. Such problems can be overcome by encapsulation. Micro-Encapsulated CO2 Sorbents (MECS) consist of a CO2-absorbing solvent or slurry encased in spherical, CO2-permeable polymer shells. The resulting capsules have diameters in the range of 100–600 μm, greatly increasing the surface area and CO2 absorption rate of the encapsulated solvent. Encapsulating these new solvents requires careful selection of shell materials and fabrication techniques. We find several common classes of polymers are not compatible with MECS production, but we develop two custom formulations, a silicone and an acrylate, that show promise for encapsulating water-lean solvents. We make the first demonstration of an encapsulated IL for CO2 capture. The rate of CO2 absorption is enhanced by a factor of 3.5 compared to a liquid film, a value that can be improved by further development of shell materials and fabrication techniques.
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Dowson, G. R. M., I. Dimitriou, R. E. Owen, D. G. Reed, R. W. K. Allen i P. Styring. "Kinetic and economic analysis of reactive capture of dilute carbon dioxide with Grignard reagents". Faraday Discussions 183 (2015): 47–65. http://dx.doi.org/10.1039/c5fd00049a.

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Carbon Dioxide Utilisation (CDU) processes face significant challenges, especially in the energetic cost of carbon capture from flue gas and the uphill energy gradient for CO2reduction. Both of these stumbling blocks can be addressed by using alkaline earth metal compounds, such as Grignard reagents, as sacrificial capture agents. We have investigated the performance of these reagents in their ability to both capture and activate CO2directly from dried flue gas (essentially avoiding the costly capture process entirely) at room temperature and ambient pressures with high yield and selectivity. Naturally, to make the process sustainable, these reagents must then be recycled and regenerated. This would potentially be carried out using existing industrial processes and renewable electricity. This offers the possibility of creating a closed loop system whereby alcohols and certain hydrocarbons may be carboxylated with CO2and renewable electricity to create higher-value products containing captured carbon. A preliminary Techno-Economic Analysis (TEA) of an example looped process has been carried out to identify the electrical and raw material supply demands and hence determine production costs. These have compared broadly favourably with existing market values.
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Bains, Praveen, Peter Psarras i Jennifer Wilcox. "CO 2 capture from the industry sector". Progress in Energy and Combustion Science 63 (listopad 2017): 146–72. http://dx.doi.org/10.1016/j.pecs.2017.07.001.

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Knowles, Gregory P., Zhijian Liang i Alan L. Chaffee. "Shaped polyethyleneimine sorbents for CO 2 capture". Microporous and Mesoporous Materials 238 (styczeń 2017): 14–18. http://dx.doi.org/10.1016/j.micromeso.2016.03.019.

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Tanner, John. "CO2 air-capture costs". Physics Today 76, nr 2 (1.02.2023): 12. http://dx.doi.org/10.1063/pt.3.5170.

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Du, Yang, Ye Yuan i Gary T. Rochelle. "Volatility of amines for CO 2 capture". International Journal of Greenhouse Gas Control 58 (marzec 2017): 1–9. http://dx.doi.org/10.1016/j.ijggc.2017.01.001.

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Belgamwar, Rajesh, Ayan Maity, Tisita Das, Sudip Chakraborty, Chathakudath P. Vinod i Vivek Polshettiwar. "Lithium silicate nanosheets with excellent capture capacity and kinetics with unprecedented stability for high-temperature CO2 capture". Chemical Science 12, nr 13 (2021): 4825–35. http://dx.doi.org/10.1039/d0sc06843h.

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Capturing CO2 before its release. Lithium silicate nanosheets showed high CO2 capture capacity (35.3 wt%) with ultra-fast kinetics (0.22 g g−1 min−1) and enhanced stability at 650 °C for at least 200 cycles, due to mixed-phase-model of CO2 capture.
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Wang, Xueyuan, Ting He, Junhua Hu i Min Liu. "The progress of nanomaterials for carbon dioxide capture via the adsorption process". Environmental Science: Nano 8, nr 4 (2021): 890–912. http://dx.doi.org/10.1039/d0en01140a.

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This review article describes the main technologies for CO2 capture, highlights the latest research status of nanomaterials for CO2 capture, and investigates the influence of surface microstructure and modification of materials on CO2 capture.
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Safina, O. R., R. V. Bikbulatov, A. R. Khusnutdinov i A. A. Charki. "CO₂ CAPTURE FROM FLUE GASES OF GAS TURBINE POWER PLANTS". Petroleum Engineering 22, nr 4 (3.09.2024): 181–89. http://dx.doi.org/10.17122/ngdelo-2024-4-181-189.

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Carbon neutrality is the key goal of the new Climate Doctrine of the Russian Federation, approved by Presidential Decree. According to the Rosneft-2030 strategy, achieving carbon neutrality is also one of the most important goals of Rosneft.In continuation of the comprehensive work on the study and assessment of the fundamental possibility of introducing methods and processes of capture and subsequent utilization of carbon dioxide in industry, key points of modeling a carbon dioxide capture unit from flue gases of gas turbine power plants (gas turbine power plants) based on current technologies are considered, followed by an assessment of technological and economic risks.The study was carried out in several stages:— determination of flue gas composition in gas turbine engines by calculation;— selection of recovery technology depending on flue gas characteristics;— analysis of operating carbon dioxide capture units;— development of design and experimental model of carbon dioxide capture and transportation plant;— estimation of prospective volumes of captured carbon dioxide;— development of a cost model for a carbon dioxide capture and transportation plant;— development of methodological approach to estimation of capital and operating costs, as well as to technical and economic assessment of the project as a whole;— assessment of technological and economic risks.These studies yielded the following results:— commercially attractive and commercially tested technologies have been identified and studied;— research work was carried to confirm the operability and feasibility of the project under consideration with a view to its further implementation;— based on the results of economic analysis, it was determined that the technology for capturing and storing carbon dioxide has a significant capital intensity, and as a result, to confirm the economic efficiency of the project, one of the following conditions must be met: attracting an external source of cost coverage or introducing quotas or fines for emissions that stimulate the introduction of technologies in domestic companies.
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Morsi, Badie, Bingyun Li, Husain Ashkanani i Rui Wang. "TEA of a Unique Two-Pathways Process for Post-Combustion CO2 Capture". Journal of Energy and Power Technology 04, nr 04 (13.10.2022): 1–25. http://dx.doi.org/10.21926/jept.2204033.

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A unique two-Pathways process using aqueous sodium glycinate for CO<sub>2</sub> capture from a split flue gas stream emitted from 600 MWe post-combustion coal power plant was developed in Aspen Plus v.10. The split gas flow rate used was 44.75 ton/h and contained 0.0023 mol% SO<sub>2</sub> and 13.33 mol% CO<sub>2</sub>. The process includes a washing unit, a CO<sub>2</sub> absorption unit, a reverse osmosis unit, and a solvent regeneration unit or an ultrafiltration unit. The washing unit uses deionized water to completely remove SO<sub>2</sub> and the CO<sub>2</sub> absorption unit uses SGS to capture at least 90 mol% of the CO<sub>2</sub> in the split flue gas stream. Upon CO<sub>2</sub> and SGS reactions, the resulting liquid products exhibit phase-separation into CO<sub>2</sub>-lean phase and CO<sub>2</sub>-rich phase, allow two distinct pathways. Pathway (i) is to regenerate mostly the CO<sub>2</sub>-rich phase, collect the released CO<sub>2</sub>, and compress it for sequestration purposes. Pathway (ii) is to send the liquid stream from the CO<sub>2</sub> absorption unit to the ultrafiltration unit to separate the solid nanomaterials. The hydraulics and mass transfer characteristics in the washing and CO<sub>2</sub> absorption units were obtained; and techno-economic analysis (TEA) for Pathways (i) and (ii), including Capital Expenditure (CAPEX), Operating Expenditure (OPEX), and Levelized Cost of CO<sub>2</sub> Captured (LCOC), were calculated and compared. The simulation results revealed that the CAPEX, OPEX, and LCOC for Pathway (i) were ($12,039,251), (261 $/h), and (54.01 $/ton-CO<sub>2</sub> captured), respectively, and those for Pathway (ii) were ($5,908,000), (237.2 $/h), and (39.90 $/ton-CO<sub>2</sub> captured), respectively. Moreover, in Pathway (ii), 8.19 ton/h of CO<sub>2</sub> were captured to produce 15.62 ton/h NaHCO<sub>3</sub> nanomaterials, which were sold to offset the overall process cost. The LCOC values indicate that Pathway (ii) is more cost-effective than Pathway (i) because LCOC values for Pathway (ii) are much lower than those for Pathway (i).
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29

Jacobson, Mark Z. "The health and climate impacts of carbon capture and direct air capture". Energy & Environmental Science 12, nr 12 (2019): 3567–74. http://dx.doi.org/10.1039/c9ee02709b.

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Zhang, Zhien, Tohid Borhani, Muftah El-Naas, Salman Soltani i Yunfei Yan. "Gas Capture Processes". Processes 8, nr 1 (4.01.2020): 70. http://dx.doi.org/10.3390/pr8010070.

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The increasing trends in gas emissions have had direct adverse impacts on human health and ecological habitats in the world. A variety of technologies have been deployed to mitigate the release of such gases, including CO2, CO, SO2, H2S, NOx and H2. This special issue on gas-capture processes collects 25 review and research papers on the applications of novel techniques, processes, and theories in gas capture and removal.
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Anantharaman, Rahul, Thijs Peters, Wen Xing, Marie-Laure Fontaine i Rune Bredesen. "Dual phase high-temperature membranes for CO2 separation – performance assessment in post- and pre-combustion processes". Faraday Discussions 192 (2016): 251–69. http://dx.doi.org/10.1039/c6fd00038j.

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Dual phase membranes are highly CO2-selective membranes with an operating temperature above 400 °C. The focus of this work is to quantify the potential of dual phase membranes in pre- and post-combustion CO2 capture processes. The process evaluations show that the dual phase membranes integrated with an NGCC power plant for CO2 capture are not competitive with the MEA process for post-combustion capture. However, dual phase membrane concepts outperform the reference Selexol technology for pre-combustion CO2 capture in an IGCC process. The two processes evaluated in this work, post-combustion NGCC and pre-combustion IGCC, represent extremes in CO2 partial pressure fed to the separation unit. Based on the evaluations it is expected that dual phase membranes could be competitive for post-combustion capture from a pulverized coal fired power plant (PCC) and pre-combustion capture from an Integrated Reforming Cycle (IRCC).
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Bhattacharyya, Debangsu, i David C. Miller. "Post-combustion CO 2 capture technologies — a review of processes for solvent-based and sorbent-based CO 2 capture". Current Opinion in Chemical Engineering 17 (sierpień 2017): 78–92. http://dx.doi.org/10.1016/j.coche.2017.06.005.

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Hamed, Ali Mahmoud, Tengku Nordayana Akma Tuan Kamaruddin, Nabilah Ramli i Mohd Firdaus Abdul Wahab. "Design and simulate an amine-based CO2 capture process for a steam methane reforming hydrogen production plant". IOP Conference Series: Earth and Environmental Science 1281, nr 1 (1.12.2023): 012048. http://dx.doi.org/10.1088/1755-1315/1281/1/012048.

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Abstract Steam methane reforming (SMR) is a common technique for hydrogen production, however CO2, which is created as a by-product, needs to be captured. Chemical absorption utilizing amine solvents is the most economically practical method of CO2 capturing. Amines are a class of organic compounds that are commonly used as chemical solvents for carbon capture. The effectiveness of a particular amine as a carbon capture solvent depends on its chemical structure and properties. Some commonly used amines for carbon capture include monoethanolamine (MEA), diethanolamine (DEA), and methyldiethanolamine (MDEA). This study aims to simulate SMR hydrogen production plant utilizing amine-based carbon dioxide capture system using Aspen HYSYS V11 software and figure out the efficiency of different chemical solvents in capturing carbon dioxide. The results of this study show that MEA has high efficiency to capture CO2 due to its high reactivity and ability to form a strong chemical bond with CO2. However, it is also highly corrosive and can be costly to regenerate.
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Smit, Berend. "Carbon Capture and Storage: introductory lecture". Faraday Discussions 192 (2016): 9–25. http://dx.doi.org/10.1039/c6fd00148c.

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Carbon Capture and Storage (CCS) is the only available technology that allows us to significantly reduce our CO2 emissions while keeping up with the ever-increasing global energy demand. Research in CCS focuses on reducing the costs of carbon capture and increasing our knowledge of geological storage to ensure the safe and permanent storage of CO2. This brief review will discuss progress in different capture and storage technologies.
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Wang, Wenjing, Mi Zhou i Daqiang Yuan. "Carbon dioxide capture in amorphous porous organic polymers". Journal of Materials Chemistry A 5, nr 4 (2017): 1334–47. http://dx.doi.org/10.1039/c6ta09234a.

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De Oliveira Maciel, Ayanne, Paul Christakopoulos, Ulrika Rova i Io Antonopoulou. "Enzyme-accelerated CO2 capture and storage (CCS) using paper and pulp residues as co-sequestrating agents". RSC Advances 14, nr 9 (2024): 6443–61. http://dx.doi.org/10.1039/d3ra06927c.

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binti Mudzarol, Nor Haleeda, i Wan Norlinda Roshana binti Mohd Nawi. "Carbon Dioxide (CO<sub>2</sub>) Capture and Utilization Targeting". Key Engineering Materials 974 (16.02.2024): 173–78. http://dx.doi.org/10.4028/p-p2vqwr.

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The global increase in CO2 emissions is attributable to this study. Carbon capture and storage (CCS) is a potential method for reducing CO2 emissions. However, reducing CO2 emissions by storing it in a geological reservoir without using it may have limitations over time. Using a CO2 integration-based strategy, this study presents an algebraic targeting method for determining the optimal utilisation network. Along with CCS development, the concept of CO2 capture and utilisation via CO2 integration is presented. The qualified CO2 captured from CO2 emissions sources is injected into a CO2 pipeline or header in order to meet the CO2 utilisation needs of a variety of industries. Prior to injecting the remaining CO2 into a geological reservoir for storage, the CO2 sources and needs are matched. The CO2 headers can meet the CO2 requirements of industries located along the headers that use CO2 as a feedstock or raw material. The estimated integration of CO2 capture and CO2 utilisation will minimise the amount of CO2 sent to storage and increase the geological reservoir's carbon storage life span. The CO2 capture and usage targeting tool that was made has led to about 220.5 t/h of integrated CO2 source and demand, with 47% less CO2 that needs to be sent to storage.
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Joshi, N., L. Sivachandiran i A. A. Assadi. "Perspectives in advance technologies/strategies for combating rising CO2 levels in the atmosphere via CO2 utilisation: A review". IOP Conference Series: Earth and Environmental Science 1100, nr 1 (1.12.2022): 012020. http://dx.doi.org/10.1088/1755-1315/1100/1/012020.

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Abstract This review provides exhaustive literature on carbon dioxide (CO2) capture, storage and utilization. CO2 is one of the greenhouse gas, emitted into the atmosphere and has reached an alarming level of well above 400 ppm. The consequences of rising CO2 levels and global warming are visual in day today life such as floods, wildfires, droughts and irregular precipitation cycles. Several reviews, focused on a particular topic, have been published since the 19th century and recently. However, in this review, we have attempted to cover all the CO2 mitigation techniques available for their advantages and disadvantages have been discussed. The blooming technology of carbon capture and storage (CCS) and the pros and cons of CO2 capture, transportation and storage techniques are showcased. Interestingly the transportation of captured CO2 to the potential storage sites requires more than 50% of the total energy budget, therefore, this review is dedicated to the onsite CO2 conversion into value-added chemicals. Various technological advancements for CO2 conversion into other products by the solar thermochemical, electrochemical and photochemical processes have been analysed. From the extensive literature, it’s demonstrated that NTP (Non-Thermal Plasma) is one of the emerging techniques for the direct conversion of CO2 into value-added products as it is energetically efficient. The mechanisms of CO2 activation by thermal and NTP-catalysis have been discussed. Moreover, the benefits of DBD to obtain oxygenates like methanol, aldehydes, acids, and hydrocarbons from direct one-pot synthesis are discussed. The production of such value-added chemicals from CO2 is of prime importance as it will be our step towards a carbon-neutral economy which is the need of the hour. This review has also attempted to compare the cost-effectiveness of current existing techniques for CO2 capture and utilized solar to fuel efficiency to compare distinct technologies available for the utilization of CO2 to value-added chemicals.
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A.Y., Iorliam, Opukumo A.W. i Anum B. "Carbon Capture Potential in Waste Modified Soils: A Review". International Journal of Mechanical and Civil Engineering 5, nr 1 (23.08.2022): 25–38. http://dx.doi.org/10.52589/ijmce-x4j0etuu.

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Carbonation of lime modified soil could capture carbon dioxide (CO_2) alongside strength improvement for road pavement materials. Due to large amounts of 〖CO〗_2 emissions and increasing cost of primary soil stabilizers such as lime and cement, the use of lime-based wastes have been encouraged. This paper reviews waste materials based on separate potential for 〖CO〗_2 capture and strength improvement of soils. Such wastes include cement kiln dust (CKD), saw dust ash (SDA), steel slag, basic oxygen steel (BOS) slag, ground granulated blast furnace slag (GGBS), coal fly ash (CFA) and cattle bone powder (CBP). Based on separated considerations of 〖CO〗_2 capture and strength improvement, CKD, SDA, BOS and GGBS have shown to have both high 〖CO〗_2 capture and strength improvement potential for weak soil. Future laboratory studies on lime-based waste (such as CKD and SDA) treated soil for combined 〖CO〗_2 capture and strength improvement need to be conducted.
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Keeling, Ralph F., Andrew C. Manning i Manvendra K. Dubey. "The atmospheric signature of carbon capture and storage". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 369, nr 1943 (28.05.2011): 2113–32. http://dx.doi.org/10.1098/rsta.2011.0016.

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Compared with other industrial processes, carbon capture and storage (CCS) will have an unusual impact on atmospheric composition by reducing the CO 2 released from fossil-fuel combustion plants, but not reducing the associated O 2 loss. CO 2 that leaks into the air from below-ground CCS sites will also be unusual in lacking the O 2 deficit normally associated with typical land CO 2 sources, such as from combustion or ecosystem exchanges. CCS may also produce distinct isotopic changes in atmospheric CO 2 . Using simple models and calculations, we estimate the impact of CCS or leakage on regional atmospheric composition. We also estimate the possible impact on global atmospheric composition, assuming that the technology is widely adopted. Because of its unique signature, CCS may be especially amenable to monitoring, both regionally and globally, using atmospheric observing systems. Measurements of the O 2 /N 2 ratio and the CO 2 concentration in the proximity of a CCS site may allow detection of point leaks of the order of 1000 ton CO 2 yr −1 from a CCS reservoir up to 1 km from the source. Measurements of O 2 /N 2 and CO 2 in background air from a global network may allow quantification of global and hemispheric capture rates from CCS to the order of ±0.4 Pg C yr −1 .
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Koytsoumpa, Efthymia Ioanna, Christian Bergins i Emmanouil Kakaras. "The CO 2 economy: Review of CO 2 capture and reuse technologies". Journal of Supercritical Fluids 132 (luty 2018): 3–16. http://dx.doi.org/10.1016/j.supflu.2017.07.029.

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Masnadi, Mohammad S., John R. Grace, Xiaotao T. Bi, Naoko Ellis, C. Jim Lim i James W. Butler. "Biomass/coal steam co-gasification integrated with in-situ CO 2 capture". Energy 83 (kwiecień 2015): 326–36. http://dx.doi.org/10.1016/j.energy.2015.02.028.

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Player, Stewart. "Darzi & Co: corporate capture in the NHS". Soundings 40, nr 40 (1.12.2008): 29–41. http://dx.doi.org/10.3898/136266208820465056.

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Zhang, Jian, Jian Xing Ren, Tian Yu Sun i Qin Yang Wang. "CO2 Capture with MEA Absorption". Advanced Materials Research 807-809 (wrzesień 2013): 1514–17. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.1514.

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The rapid increase in the concentration of CO2 raises global concern. The latest research indicates that the concentration has reached a new peak of 400[1] ppm. Effective CO2 abatement strategies, such as Carbon Capture and Storage (CCS), are of great interest. One common method of CCS is MEA absorption. This paper aims to illustrate post-combustion capture with MEA solvent. The principles, procedures, influencing factors, advantages and drawbacks are discussed to better understand what hinders existing power plants from retrofitting with this technology.
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Ben-Itzhak, I., E. Wells, M. P. Stöckli, H. Tawara i K. D. Carnes. "Electron capture and fragmentation in Ar11++ CO collisions". Physica Scripta T73 (1.01.1997): 270–72. http://dx.doi.org/10.1088/0031-8949/1997/t73/087.

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46

Liu, G. X., i Y. S. Yu. "Thermal-Electrochemical Co-drive System for Carbon Capture". Energy Procedia 114 (lipiec 2017): 25–31. http://dx.doi.org/10.1016/j.egypro.2017.03.1142.

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Herbig, Marcus, Lia Gevorgyan, Moritz Pflug, Jörg Wagler, Sandra Schwarzer i Edwin Kroke. "CO 2 Capture with Silylated Ethanolamines and Piperazines". ChemistryOpen 9, nr 9 (11.12.2019): 894–902. http://dx.doi.org/10.1002/open.201900269.

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Herbig, Marcus, Lia Gevorgyan, Moritz Pflug, Jörg Wagler, Sandra Schwarzer i Edwin Kroke. "CO 2 Capture with Silylated Ethanolamines and Piperazines". ChemistryOpen 9, nr 9 (wrzesień 2020): 893. http://dx.doi.org/10.1002/open.202000212.

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Craig Bettenhausen. "BASF and Linde to build CO₂-capture pilot". C&EN Global Enterprise 99, nr 21 (7.06.2021): 12. http://dx.doi.org/10.1021/cen-09921-buscon10.

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Patel, Hasmukh A., i Cafer T. Yavuz. "Highly optimized CO2 capture by inexpensive nanoporous covalent organic polymers and their amine composites". Faraday Discussions 183 (2015): 401–12. http://dx.doi.org/10.1039/c5fd00099h.

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Carbon dioxide (CO2) storage and utilization requires effective capture strategies that limit energy penalties. Polyethylenimine (PEI)-impregnated covalent organic polymers (COPs) with a high CO2 adsorption capacity are successfully prepared in this study. A low cost COP with a high specific surface area is suitable for PEI loading to achieve high CO2 adsorption, and the optimal PEI loading is 36 wt%. Though the adsorbed amount of CO2 on amine impregnated COPs slightly decreased with increasing adsorption temperature, CO2/N2 selectivity is significantly improved at higher temperatures. The adsorption of CO2 on the sorbent is very fast, and a sorption equilibrium (10% wt) was achieved within 5 min at 313 K under the flow of simulated flue gas streams. The CO2 capture efficiency of this sorbent is not affected under repetitive adsorption–desorption cycles. The highest CO2 capture capacity of 75 mg g−1 at 0.15 bar is achieved under dry CO2 capture however it is enhanced to 100 mg g−1 in the mixed gas flow containing humid 15% CO2. Sorbents were found to be thermally stable up to at least 200 °C. TGA and FTIR studies confirmed the loading of PEIs on COPs. This sorbent with high and fast CO2 sorption exhibits a very promising application in direct CO2 capture from flue gas.
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