Is basicity the sole criterion for attaining high carbon dioxide capture in deep-eutectic solvents?

Document identifier: oai:DiVA.org:ltu-77988
Access full text here:10.1039/c9cp06017k
Keyword: Engineering and Technology, Materials Engineering, Other Materials Engineering, Teknik och teknologier, Materialteknik, Annan materialteknik, Engineering Materials
Publication year: 2020
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SDG 13 Climate actionSDG 3 Good health and wellbeing
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Abstract:

A critical analysis of the role of Hammett basicity (H−) and aqueous basicity (pKa) in CO2 uptake in deep-eutectic solvents (DESs) suggests that neither H− nor pKa correlates with the CO2 w/w% capacity in the studied DESs. Instead, strong “synergistic interactions” between donor and acceptor moieties satisfactorily relate to the w/w% of CO2 in DESs.

Authors

Shashi Kant Shukla

Technical Chemistry, Department of Chemistry, Chemical-Biological Centre, Umeå University, Umeå, Sweden
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Dariush Nikjoo

Luleå tekniska universitet; Materialvetenskap
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Jyri-Pekka Mikkola

Technical Chemistry, Department of Chemistry, Chemical-Biological Centre, Umeå University, Umeå, Sweden. Industrial Chemistry & Reaction Engineering, Department of Chemical, Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Åbo-
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