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Effect of partial pressure on CO2 solubility in ionic liquid mixtures of 1-butyl-3-methylimidazolium acetate and 1-butyl-3-methylimidazolium bis (trifluoromethanesulfonyl) amide
https://jaxa.repo.nii.ac.jp/records/22678
https://jaxa.repo.nii.ac.jp/records/226789ec7b635-7dc2-4ecf-8bb1-f0e9ec06825b
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-06-20 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effect of partial pressure on CO2 solubility in ionic liquid mixtures of 1-butyl-3-methylimidazolium acetate and 1-butyl-3-methylimidazolium bis (trifluoromethanesulfonyl) amide | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Ionic liquid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Mixture | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | CO2 solubility | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Partial pressure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Absorption and desorption properties | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
金久保, 光央
× 金久保, 光央× 牧野, 貴至× 梅木, 辰也× 桜井, 誠人× Kanakubo, Mitsuhiro× Makino, Takashi× Umecky, Tatsuya× Sakurai, Masato |
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著者所属 | ||||||
産業技術総合研究所(AIST) | ||||||
著者所属 | ||||||
産業技術総合研究所(AIST) | ||||||
著者所属 | ||||||
産業技術総合研究所(AIST) | ||||||
著者所属 | ||||||
宇宙航空研究開発機構(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Advanced Industrial Science and Technology (AIST) | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Advanced Industrial Science and Technology (AIST) | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Advanced Industrial Science and Technology (AIST) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency (JAXA) | ||||||
出版者(英) | ||||||
出版者 | Elsevier | |||||
書誌情報 |
en : Fluid Phase Equilibria 巻 420, 発行日 2016 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The solubilities of CO2 in ionic liquid mixtures composed of 1-butyl-3-methylimidazolium acetate, [BMIM][AcO] and 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)amide, [BMIM][Tf2N] have been determined at different partial pressures of CO2 balanced with N2 at atmospheric pressure over the temperature range (284-334) K. The solubility of CO2 was proportional to the concentration of [BMIM][AcO], which reacts stoichiometrically with CO2 in [BMIM][Tf2N]. The CO2 absorption mechanism was discussed in terms of the densities, viscosities, and electrical conductivities for the IL mixtures before and after CO2 saturation. It was concluded that 1-butyl-3-methylimidazolium-2-carboxylate zwitterion, [BMIM(+)CO2-CO2(-)], is produced with deprotonation of 2-hydrogen in [BMIM](+). This leads to formation of acetic acid, resulting in the viscosity reduction. Moreover, the absorption and desorption experiments for extremely dilute gas mixture (4000 ppm CO2 in N2) in the [BMIM][AcO]-[BMIM][Tf2N] mixtures were carried out. The ionic liquids mixtures can effectively remove CO2 even at such dilute concentrations. The absorption and desorption rates increased with increasing temperature. At higher temperature, the absorption rate also increased with increasing the concentration of [BMIM][AcO]. The multicycle experiments using [BMIM][AcO] between 2 h absorption at 298 K and 2 h desorption under vacuum at 353 K demonstrated the practical efficiency for CO2 separation under extremely dilute conditions. The air purification process using ionic liquids for a limited space such as aerospace has been proposed for one of the promising future applications. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0378-3812 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00648043 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1016/j.fluid.2016.01.034 | |||||
関連名称 | info:doi/10.1016/j.fluid.2016.01.034 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: PA1610059000 |