Fig. 1: DACCU through a dual-bed flow reactor consisting of DAC and CO2U units. | Nature Energy

Fig. 1: DACCU through a dual-bed flow reactor consisting of DAC and CO2U units.

From: Direct air capture of CO2 for solar fuel production in flow

Fig. 1

a, Schematics of the system during light-off night operation. b, Schematics of the overall system during light-on day operation. c, The carbon capture unit with chemical CO2 capture and release equations. d, The solar-driven CO2U unit material composition and the relevant reduction and oxidation reactions. RT, room temperature; MFC, mass flow controller; PEI, polyethyleneimine; PET, poly(ethylene terephthalate); EG, ethylene glycol.

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