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Table 4 Performance for CO2 reduction monolith photoreactors compared to batch photoreactors

From: Process intensification technologies for CO2 capture and conversion – a review

Medium

Catalyst

Light intensity,

mW/cm2

Main Products

Intensified parameter

Ref.

Aqueous

Pd/Rh doped TiO2 nanoparticles

41.62

CH3OH

HCHO

95.7% higher quantum efficiency

[76]

Gaseous

V and W doped TiO2

44.6

CO

CH4

H2

57.8% higher quantum efficiency compared to Cu/TiO2 in conventional reactor

[117]

Gaseous

TiO2

150

CH4

91% higher quantum efficiency

[118]