CO2, N2, and H2 Adsorption by Hyper-Cross-Linked Polymers and Their Selectivity Evaluation by Gas–Solid Equilibrium

Published on Sep 1, 2020in Journal of Chemical & Engineering Data2.369
· DOI :10.1021/ACS.JCED.0C00541
Hamid Ramezanipour Penchah3
Estimated H-index: 3
(University of Gilan),
Hossein Ghanadzadeh Gilani5
Estimated H-index: 5
(University of Gilan),
Ahad Ghaemi19
Estimated H-index: 19
(IUST: Iran University of Science and Technology)
Source
Abstract
In this study, the effect of hyper-cross-linked adsorbent structural parameters on gas adsorption and selectivity was investigated. Hyper-cross-linked polymere (HCP) adsorbents were synthesized bas...
References0
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Abstract Hydrotalcites and zeolites are materials characterised by a high capacity for CO2 adsorption and can therefore be useful adsorbents for the capture of CO2 from flue gases. In this study, two types of zeolites (NaXFA and NaAFA) were successfully synthesised from South African coal combustion fly ash. Their CO2 adsorption properties, as well as those of a hydrotalcite (HTFA) synthesized from the same fly ash in our previous work, were investigated and compared. In addition, this paper rep...
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#2Ahad Ghaemi (IUST: Iran University of Science and Technology)H-Index: 19
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Hyper-cross-linked polymers (HCPs), as one of a variety of micro-porous polymers with nano-sized pores, have a lot of interest in carbon dioxide adsorption and storage. A HCP adsorbent based on benzene and Friedel-Crafts reaction was synthesised for CO2 adsorption. Response surface methodology (RSM) is suggested for optimizing the process parameters in order to determine the highest possible CO2 adsorption capacity of HCP adsorbent. Pressure, temperature, ratio (crosslinker/benzene) and synthesi...
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Cation-exchanged zeolites have significant potential for capture of CO2 from a wide variety of mixtures containing N2, H2, alkanes and alkenes. The strong coulombic interactions of CO2 with extra-framework cations result in strong binding and selective capture. Published experimental data on mixture adsorption indicate that the Ideal Adsorbed Solution Theory (IAST) fails to provide accurate estimates of mixture adsorption equilibrium. The reasons for the quantitative failure of IAST estimates ar...
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There is a great need to synthesize high-performance adsorbents for potential application in post-combustion CO2 capture. In this study, molecular simulation was employed to mimic cation exchanges in 13X zeolite with different amounts of Li+, K+, and Ca2+, providing guidance for the design of high-performance cation-exchanged zeolite. The separation performance of each cation-exchanged zeolite was evaluated in detail in terms of its pore volume, adsorption isotherm, energy, isosteric heat, and C...
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In this study, experimental tie-line data for the ternary system containing water, citric acid, and 1-decanol were measured at various temperatures (298.2, 308.2, 318.2, and 328.2 K) and atmospheric pressure (101.3 ± 0.4 kPa). The reliability and consistency of the liquid–liquid equilibrium experimental data were evaluated by the Othmer–Tobias and Hand equations. The distribution coefficients and separation factor of this system for solvent capability were calculated. The maximum of separation f...
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Carbon capture and storage (CCS) is broadly recognised as having the potential to play a key role in meeting climate change targets, delivering low carbon heat and power, decarbonising industry and, more recently, its ability to facilitate the net removal of CO2 from the atmosphere. However, despite this broad consensus and its technical maturity, CCS has not yet been deployed on a scale commensurate with the ambitions articulated a decade ago. Thus, in this paper we review the current state-of-...
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ABSTRACTHypercrosslinked polymers (HCPs) represent a class of nanoporous materials with a wide range of practical and potential applications such as gas sorption and separation, heterogeneous catalysis, drug delivery, and chromatographic separation. First introduced by Davankov and Tsyurupa in the early 1970s, HCPs have developed rapidly over the past few decades. Mostly based on Friedel-Crafts chemistry, HCP materials can be prepared from the post-crosslinking of polystyrene-type precursors in ...
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Abstract A novel facile and one-pot approach was developed for the preparation of hyper-crosslinked polymers (HCPs) via the Friedel-Crafts reaction between the waste expanded polystyrene foam (WEPS) and 1,2-dichloroethane in this study. 1,2-dichloroethane as a cost-effective chemical agent was used as both the solvent and the cross-linker for HCPs. The obtained HCPs showed large specific surface areas and good thermal stability. The highest CO 2 adsorption capacity (1.987 mmol/g) and the adsorpt...
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Abstract null null Hyper-crosslinked polymers (HCPs) have been produced by the Friedel-Crafts reaction using anthracene, benzene, carbazole or dibenzothiophene as precursors and dimethoxymethane as crosslinker, and the effect of graphene oxide (GO) addition has been studied. The resulting HCPs were highly microporous with BET areas (ABET) between 590 and 1120 m2 g−1. The benzene-derived HCP (B1FeM2) and the corresponding composite with GO (B1FM2-GO) exhibited the highest ABET and were selected t...
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In this study, activated carbon and piperazine-modified activated carbon adsorbents were prepared and used for CO2 adsorption. The effect of various parameters including adsorbent particle size, adsorbent amount, piperazine weight percent, pressure, and temperature were investigated on the CO2 adsorption capacity. The adsorbents were characterized using nitrogen adsorption/desorption isotherms and FTIR analyses. The results showed that the adsorption capacity decreases with temperature increasin...
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Abstract null null As one of the microporous polymers with nano-sized holes, HCPs have attracted much attention in CO2 capture for a variety of reasons such as their low density, high chemical and physical stability and high specific surface area. On the other hand, amine-modification of the adsorbent is known to improve it. Therefore, research on amine-functionalization of adsorbent HCPs is on the rise. The aim of this study was to synthesize benzyl chloride-based hypercrosslinked adsorbent (B-...
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