Modelling of a recirculating photocatalytic microreactor implementing mesoporous N-TiO2 modified with graphene

Heterogeneous Microfluidic Reactors: A Review and an Insight of Enzymatic Reactions

“…The photocatalyst's mechanism starts by absorbing the light, generating electrons, and initiating the oxidation and reduction process [186]. The conventional technique of conducting photocatalysis reactions uses slurry reactors that suffer from limited efficiency due to non-uniform distribution of light, low mass transfer rate, and high operating costs for photocatalyst separation [187]. This encourages the researchers to find an alternative technique in an attempt to replace the conventional one.…”

“…The unique features of microreactors, such as small volume, short molecular diffusion distance, and good mass and heat transfer, resulting in the enhancement of illumination uniformity and permeation attract researchers' interest in scaling down the known process into the sub-milliliters system [188,189]. Photocatalysis in microreactors has been investigated in many areas, including the environmental sector, such as pollutants (e.g., 4-nitrophenol) [187].…”

Catalytic Composite Systems Based on N-Doped TiO2/Polymeric Materials for Visible-Light-Driven Pollutant Degradation: A Mini Review

“…Considerable interest has been focused on TiO 2 doping with non-metal ions, especially with nitrogen. Many papers addressing the effect of the doping of TiO 2 with nitrogen on the catalytic activity of a large variety of chemical reactions performed under visible-light irradiation are reported in the literature [7,[25][26][27][28][29][30][31]. The presence of nitrogen in the TiO 2 lattice induces significant photoactivity under visible light, but the exact mechanism for this enhancement is still elusive [7].…”

“…tions performed under visible-light irradiation are reported in the literature [7,[25][26][27][28][29][30][31]. The presence of nitrogen in the TiO2 lattice induces significant photoactivity under visible light, but the exact mechanism for this enhancement is still elusive [7].…”

CFD modeling of pharmaceuticals and CECs removal by UV/H2O2 process in helical microcapillary photoreactors and evaluation of OH radical rate constants

“…The main advantages of microreactors are short reaction or space time, high yield and selectivity, reduced consumption of reagents and solvents, higher surface-to-volume ratio, intensification of heat and mass transfer and increased safety [8,9,10]. Advances in homogeneous [11] and heterogeneous [12] photochemical transformations of organic and inorganic species have highlighted the potential of miniaturized photoreactors as cleaner and efficient platforms for chemical reactions [13,14,15,16]. Microreactors also offer a controlled environment for determinations of intrinsic kinetics by the lab-in-a-chip concept [17].…”