Figure 4.

Considerations for the product separation processes. (a) Possible separation approach for a mixture of eCO₂R products, reagents, and contaminants. Reproduced with permission from ref (174). Copyright 2018 Elsevier. (b) The impact of unreacted CO₂ on the product separation cost. Reproduced from ref (173). Copyright 2021 American Chemical Society. (c) Illustration of porous solid electrolyte (PSE) used to concentrate liquid products. Reproduced with permission from ref (66). Copyright 2019 Springer Nature.