https://doi.org/10.1039/D1MA01072G “Amine-based chemisorbents generally increase their CO2 adsorption capacity in the presence of water due to better diffusion,26,27 and improved amine efficiency from the formation of ammonium
https://doi.org/10.1039/D1MA01072G “Gravimetric experiments were carried out using dilute CO2 mixtures of 10% CO2/N2 and 400 ppm CO2/N2, simulating the concentration of CO2 in flue gas and air, respectively.
https://doi.org/10.1039/D1MA01072G “For its economical industrial application, it is essential that an adsorbent be regenerable and capable of multiple adsorption–desorption cycles.2 To test its repetitive CO2 uptake, 10 : 1
https://doi.org/10.1039/D1MA01072G “The gas sorption isotherm of 10 : 1 (R) from 0.01–1 bar at 30 °C was compared to those of 10 : 1 (V) and 25 : 1 (V), Fig. 11(a).
https://doi.org/10.1039/D1MA01072G “The CO2 adsorption behaviour of 10 : 1 (R) is superior to that of the other PEI-4BMFPT adsorbents at 30 °C, with a maximum capacity after 120
“Fig. 7(a–c), shows that the maximum CO2 adsorption capacity is consistently higher for the lesser cross-linked materials and is consistently highest for 25 : 1 (V). This
https://doi.org/10.1039/D1MA01072G “Preparation of cross-linked PEI sorbents Sorbents were named according to the ratios of amine : alkyl bromide groups in the starting materials. Sorbents were either prepared
https://doi.org/10.1039/D1MA01072G ” In a similar trend as for E200-FZ, the resulting adsorbent – which had a surface area of 246 m2 g−1 – reached its optimum CO2 capacity of
https://doi.org/10.1039/D1MA01072G “Promising candidates to simultaneously access these adsorption phenomena are solid cross-linked polyamine-based materials. Supported cross-linked polyamine CO2 adsorbents have been reported. Polyethyleneimine (PEI) has been
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