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Ether Functionalized Choline Tethered Amino Acid Ionic Liquids for Enhanced CO2 Capture
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Kemiteknik.ORCID-id: 0000-0002-6295-4112
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Kemiteknik.ORCID-id: 0000-0003-3652-7798
Rekke forfattare: 22016 (engelsk)Inngår i: A C S Sustainable Chemistry & Engineering, ISSN 2168-0485, Vol. 4, nr 10, s. 5441-5449Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Amino acid ionic liquids (ILs) are the most interesting and effective for CO2 capture due to their low toxicity, biodegradability and fast reactivity towards CO2. Ionic nature of amino acid ILs can raise an environmental issue if the cation counterpart becomes toxic to the aquatic ecosystems and can become potential atmospheric pollutant. In this regard, choline based ILs are known to be promising scaffolds for the development of less toxic amino acid ILs. However, the existing choline amino acid ILs are highly viscous limiting their applicability as solvents. Ether functionalized choline based amino acid ILs with novel series of less toxic green ILs were explored with reduced viscosity and high CO2 capture capacity. A simple, economic, clean and environmentally benign method was utilized for the synthesis of novel choline based amino acid ILs using a commercially available and economical starting material 2-(dimethylamino)ethanol (deanol, a human dietary food supplement). Reported ILs have low viscosity with high CO2 capture capacity (1.62 mol of CO2 /mol of IL, 4.31 mol of CO2/kg of IL, 19.02 wt.% of CO2). Mechanism of [N1,1,6,2O4][Lys]+CO2 reaction and adduct structure was proposed by means of DFT and NMR.

sted, utgiver, år, opplag, sider
2016. Vol. 4, nr 10, s. 5441-5449
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URN: urn:nbn:se:ltu:diva-10925DOI: 10.1021/acssuschemeng.6b00824ISI: 000384791500035Scopus ID: 2-s2.0-84990208646Lokal ID: 9d2c4905-a77e-43c4-b70b-84fdcf6b5bd7OAI: oai:DiVA.org:ltu-10925DiVA, id: diva2:983873
Merknad

Validerad; 2016; Nivå 2; 2016-11-02 (andbra)

Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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