Energy efficient ethanol concentration method for scalable CO$_2$ electrolysis
Magda Barecka, DS Pritika Dameni, Marsha Zakir Muhamad, Joel Ager,, Alexei Lapkin
TL;DR
This paper presents a vacuum membrane distillation method that efficiently concentrates dilute ethanol from CO2 electrolysis, improving energy estimation and guiding future CO2 reduction technology development.
Contribution
The study introduces a scalable ethanol concentration process using vacuum membrane distillation, enhancing energy efficiency and process modeling for CO2 electrolysis applications.
Findings
Achieves up to ~40 wt.% ethanol concentration
Provides improved energy input estimation for separation processes
Supports reformulation of CO2 electrolysis development goals
Abstract
Vacuum membrane distillation efficiently concentrates dilute ethanol streams produced by CO electrolysis (CO2R), yielding up to ~40 wt.% ethanol in pure water. Our results allow for a more precise estimation of energy inputs to the separation processes and for the reformulation of CO2R technology development goals.
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Taxonomy
TopicsFuel Cells and Related Materials · Membrane-based Ion Separation Techniques · Electrocatalysts for Energy Conversion