Process intensification technologies for CO2 capture and conversion – a review

Table 3 CO₂ conversion methods with their possible intensification techniques

Process	Driving force	Main products	Intensification technique	Ref.
Photocatalytic reduction	Light	CH₃OH, CO, CH₄, H₂	• Photocatalyst modification	[75]
			• Monolith reactor	[76]
			• Micro-reactor	[77]
Electrochemical reduction	Electricity	CH₃OH, HCOOH	• Microfluidic device	[78]
			• Coupling with photocatalysis	[79]
			• Gas diffuse electrode	[80]
			• Membrane reactor	[81]
Thermochemical reduction	Heat	CO, H₂,	• Plasma	[20]
			• Reactive coupling
			• Membrane reactor	[82]

ISSN: 2524-4175