Techno-economic evaluation of biogas upgrading using ionic liquids in comparison with industrially used technology in Scandinavian anaerobic digestion plants

Yujiao Xie, Johanna Björkmalm, Chunyan Ma, Karin Willquist, Johan Yngvesson, Ola Wallberg and Xiaoyan Ji

Applied Energy, 2018, vol. 227, issue C, 742-750

Abstract: The process of biogas upgrading with ionic liquids, i.e. pure 1-butyl-3-methylimidazolium bis(trifluoro-methylsulfonyl)imide ([bmim][Tf2N]), aqueous choline chloride/urea (ChCl/Urea), and aqueous 1-allyl-3-methyl imidazole formate ([Amim][HCOO]), was simulated in Aspen Plus and compared with the conventional water scrubbing upgrading technique. The comparisons of the performances on the amount of recirculated solvents and energy usage show the following order: aqueous [Amim][HCOO]Keywords: Techno-economic evaluation; Process simulation; Biogas upgrading; Ionic liquids; Anaerobic digestion (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1016/j.apenergy.2017.07.067

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