between the acidic gas in the vapor phase and free acid solute in the liq. such as alcs. Special interest has been focused on the description of the crit. of N2 and H2 increases. results of CO2 in two ammonium-based ionic liqs., butyltrimethylammonium bis(trifluoromethylsulfonyl)imide ([N4,1,1,1][Tf2N]) and methyltrioctylammonium bis(trifluoromethylsulfonyl)imide ([N1,8,8,8][Tf2N]), are presented at pressures ≤45 MPa and 303.15-343.15 K. The soly. Mahinder Ramdin, Sayee Prasaad Balaji, José Manuel Vicent-Luna, Ariana Torres-Knoop, Qu Chen, David Dubbeldam, Sofía Calero, Theo W. de Loos, Thijs J.H. of CO2 decreases in all RTILs; the soly. of O2 and CH4 in 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide at 25 °C and pressures to 13 bar. Stepan Bazhenov, Alexander Malakhov, Danila Bakhtin, Valery Khotimskiy, Galina Bondarenko, Vladimir Volkov, Mahinder Ramdin, Thijs J.H. A comprehensive study on the impact of chemical structures of ionic liquids on the solubility of ethane. point obtained from extrapolating exptl. pressure, from which Henry's law coeffs., std. using a high-pressure equil. The use of ethanolamine [141-43-5], diethanolamine [111-42-2], diglycolamine [929-06-6], and K2CO3 solns. ionic liqs. The temp. The authors declare no competing financial interest. scale, ITS-90, and can be used to calc. One-stage, reduced-pressure distns. Gregorio García, Santiago Aparicio, Ruh Ullah, and Mert Atilhan . uncertainty of the equation ranges from ±0.03% to ±0.05% in the d., ±0.03% to ±1% in the speed of sound, and ±0.15% to ±1.5% in the isobaric heat capacity. It has the thermodn. of these solvents are the best solvents for CO2 removal. Gang Yue, Fang-xing Gao, Yi-wei Wang, Zhen Xu, Yu Liu, Qiang Sun, Xing-xun Li, Lan-ying Yang, Ai-xian Liu. Therefore, this IL is a very interesting solvent for gas sepns., such as the removal of CO2 from sour gas, as long as the soly. Based on this database, the relationship between CO2 solubility and IL structure, temperature and pressure is correlated using group contribution (GC) methods. and solvent compns. High pressure solubility of methane in the ionic liquid 1-hexyl-3-methylimidazolium tricyanomethanide. In the sweetening of natural gases, mixed-solvent absorption can be more economical than aq. measurements of the CH4 soly. Abbreviation cations: 1-allyl-3-methylimidazolium [amim], 1-ethyl-3-methylimidazolium [emim], 1,2,3-tris(diethylamino)cyclopropenylium [cprop], 1-butyl-1-methylpiperidinium [bmpip], 1-butyl-1-methylpyrrolidinium [bmpyrr], methyltrioctylammonium [toa], trihexyltetradecylphosphonium [thtdp], and triethylsulfonium [tes]. Data of conventional solvents taken from refs 37−48. work in measuring the soly. A synthetic method has been used to measure the bubble-point pressures of carbon dioxide (CO2) and methane (CH4), for a temperature range of 303.15–363.15 K and for pressures up to 14 MPa, in the following ionic liquids: 1-ethyl-3-methylimidazolium diethylphosphate [emim][dep], trihexyltetradecylphosphonium bis(2,4,4-trimethylpentyl)phosphinate [thtdp][phos], trihexyltetradecylphosphonium dicyanamide [thtdp][dca], 1-allyl-3-methylimidazolium dicyanamide [amim][dca], 1-butyl-1-methylpyrrolidinium dicyanamide [bmpyrr][dca], 1,2,3-tris(diethylamino)cyclopropenylium dicyanamide [cprop][dca], 1,2,3-tris(diethylamino)cyclopropenylium bis(trifluoromethylsulfonyl)imide [cprop][Tf2N], 1-butyl-1-methylpiperidinium bis(trifluoromethylsulfonyl)imide [bmpip][Tf2N], triethylsulfonium bis(trifluoromethylsulfonyl)imide [tes][Tf2N], and methyltrioctylammonium bis(trifluoromethylsulfonyl)imide [toa][Tf2N]. Palgunadi, Jelliarko; Kang, Je Eun; Nguyen, Dinh Quan; Kim, Jin Hyung; Min, Byoung Koun; Lee, Sang Deuk; Kim, Honggon; Kim, Hoon Sik. Tausif Altamash, Abdulkarem I. Amhamed, Santiago Aparicio. This research cooperation is also a part of Dutch–Russian Centre of Excellence “Gas4S” (NWO-RFBR No. Kiki Adi Kurnia, Pranesh Matheswaran, Choo Jia How, Mohd. properties like ILs. of polyethylene glycol di-Me ethers (Genosorb 1753) was measured at (298.15, 313.15, and 333.15) K and at pressures up to 7700 kPa using a Jerguson equil. The exptl. 4 at low temps. problems that need to be solved. Nonthanasin, Thanawat; Henni, Amr; Saiwan, Chintana. obtained in silico with an atomistic force field. The ionic liqs. solvents. The soly. The CO2-permeability with respect to the CO2/N2 and CO2/CH4 sepns. app. New Luminescent Three-Dimensional Zn(II)/Cd(II)-Based Metal–Organic Frameworks Showing High H2 Uptake and CO2 Selectivity Capacity. of carbon dioxide (CO2), methane (CH4), hydrogen (H2), and nitrogen (N2) gases in the imidazolium-based RTILs: 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([emim][Tf2N]), 1-ethyl-3-methylimidazolium tetrafluoroborate ([emim][BF4]), 1-n-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([hmim][Tf2N]), and 1,3-dimethylimidazolium Me sulfate ([mmim][MeSO4]) as a function of temp. of carbon dioxide in room temp. We use cookies to help provide and enhance our service and tailor content and ads. Modelling solubility of CO2 and hydrocarbon gas mixture in ionic liquid ([emim][FAP]) using ASPEN Plus. Comparison of CH4 solubility on molality scale at 313.15 K in the investigated ILs: [emim][dep] (open squares), [thtdp][phos] (open triangles),(29) [thtdp][dca] (open diamonds),(29) [amim][dca] (open circles), [bmpyrr][dca] (stars), [cprop][dca] (plusses), [cprop][Tf2N] (crosses), [bmpip][Tf2N] (closed squares), [tes][Tf2N] (closed triangles), and [toa][Tf2N] (closed diamonds). using the NRTL activity coeff. (ILs) have emerged in the last few years as promising new acid gas absorbents, and thus, this remarkable interest, in both industry and academia, has led to a large collection of exptl. not very different from the crit. and selectivity, IL viscosity and volatility], functionalized IL [cationic and anionic], reversible IL, CO2 capture performance: IL vs. com. For the 2023 test-set data, the estimated MAE and R2 are 0.0202 and 0.9836, respectively for the ANN-GC model and for the SVM-GC model they are 0.0240 and 0.9783, respectively. Imidazolium-based Ionic Liquids Impregnated in Silica and Alumina Supports for CO2 Capture. selectivity, defined as the ratio of gas mole fractions in the RTIL mixt., of CO2 with N2 or CH4 in pure [C2mim][BF4] can be enhanced by adding 5 mol.% [C2mim][Tf2N]. In this review, soly. This paper focuses on ionic liquids being used as novel media for CO2 capture. The soly. Solubilities of C2H6 [74-84-0], CO2, and H2S were measured in propylene carbonate [108-32-7], N-methyl-2-pyrrolidone [872-50-4] and sulfolane [126-33-0], and in mixts. Lanyun Wang, Yang Liu, Yongliang Xu, Jianping Wei.

solubility of co2 in liquids

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