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Analysis and selection of optimal solvent-based technologies for biogas upgrading
A B S T R A C T Biogas upgrading is an important industrial process for producing biomethane, a sustainable energy source with low carbon footprint. There are three main solvent-based alternatives for biogas upgrading: water scrubbing, physical scrubbing and chemical scrubbing with amines. Though assessments have been published regarding which technologies are more cost-effective and energetically efficient, these often either neglect inspecting the impact of raw biogas concentrations anddoi:10.1016/j.fuel.2021.121327 fatcat:2ey5lutfmrap3cbtllzw7ddncq