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  • Ma, ChunyanLuleå tekniska universitet,Energivetenskap (author)

CO2 Separation by a Series of Aqueous Morpholinium-Based Ionic Liquids with Acetate Anions

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2019-11-26
  • American Chemical Society (ACS),2020
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-167245
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-167245URI
  • https://doi.org/10.1021/acssuschemeng.9b05686DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-77977URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Validerad;2020;Nivå 2;2020-03-06 (johcin)
  • In this work, CO2 absorption capacities in a series of aqueous N-alkyl-N-methylmorpholinium-based ILs with acetate as the counterpart anion were investigated. Among these ILs, N-butyl-N-methylmorpholinium acetate ([Bmmorp][OAc]) with the highest CO2 absorption capacity was screened for thermodynamic modeling. The non-random two-liquid model and the Redlich–Kwong equation of state (NRTL-RK model) were used to describe the phase equilibria. The CH4 absorption capacity in the aqueous [Bmmorp][OAc] was also measured in order to verify the results predicted from the thermodynamic modeling, and the comparison shows the reliability of the model prediction. The parameters were embedded into the commercial software Aspen Plus. After that, the aqueous [Bmmorp][OAc] solutions with 30–40 wt % of water were selected to carry out process simulation for CO2 separation from biogas, and it was found that using these aqueous [Bmmorp][OAc] gave rise to lower energy usage and smaller size of equipment than other physical solvents. The results suggest that aqueous [Bmmorp][OAc] solution can be used as an alternative to organic solvents and has the potential to decrease the cost of CO2 separation.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Shukla, Shashi Kant,1983-Umeå universitet,Kemiska institutionen,Technical Chemistry, Department of Chemistry, Chemical-Biological Centre, Umeå University, Umeå, Sweden(Swepub:umu)shka0026 (author)
  • Samikannu, RakeshUmeå universitet,Kemiska institutionen,Technical Chemistry, Department of Chemistry, Chemical-Biological Centre, Umeå University, Umeå, Sweden(Swepub:umu)rasa0035 (author)
  • Mikkola, Jyri-PekkaUmeå universitet,Kemiska institutionen,Technical Chemistry, Department of Chemistry, Chemical-Biological Centre, Umeå University, Umeå, Sweden. Industrial Chemistry & Reaction Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Turku , Finland(Swepub:umu)jymi0001 (author)
  • Ji, XiaoyanLuleå tekniska universitet,Energivetenskap(Swepub:ltu)xiajix (author)
  • Luleå tekniska universitetEnergivetenskap (creator_code:org_t)

Related titles

  • In:ACS Sustainable Chemistry and Engineering: American Chemical Society (ACS)8:1, s. 415-4262168-0485

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