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Water management is crucial for enhancing economic viability and minimizing the environmental impact of direct air capture (DAC) technologies, but the high energy intensity necessitates heat recovery techniques. This Perspective discusses several front-end and back-end strategies for coupling water management with heat integration in DAC processes.
Tandem catalysis and tandem reactors provide unique opportunities for sustainably converting CO2 into valuable products that are not accessible by traditional catalytic processes. This Perspective discusses progress in and opportunities for developing tandem catalytic process that involve various combinations of thermocatalysis, electrocatalysis, photocatalysis, plasma catalysis and biocatalysis.
This Perspective discusses electrochemically mediated carbon dioxide capture systems, which can offer lower energetics than standard thermal methods, with modular scalability. New integrated configurations can further reduce costs and improve unit productivity, while further engineering of existing cell designs will enable more rapid implementation.