Hybrid technologies for an enhanced carbon recycling based on the enzymatic reduction of CO2 to methanol in water: Chemical and photochemical NADH regeneration

Rocking chair enzyme: Chemical reducing agents (sodium dithionite) or bioglycerol (as H and e-donor under irradiation in the presence of ZnS-A as photocatalyst) are able to back-convert NADP into NADPH, which is used as e-donor in the enzymatic reduction of CO into CHOH. In doing so, the molar ratio CH OH/CO has been increased (without recycling of NADP ) using the photocatalyst. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.