Solar-driven heterogeneous photocatalysis using a static mixer as TiO2-P25 support: Impact of reflector optics and material

Silva, Tânia F.C.V.; Peri, Patrícia; Fajardo, Ana S.; Paulista, Larissa O.; Soares, Pétrick Anderson; Martínez‐Huitle, Carlos A.; Vilar, Vítor J.P.

doi:10.1016/j.cej.2022.134831

Cited by 10 publications

(2 citation statements)

References 46 publications

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“…33 Limited examples using a static mixer as a TiO 2 support for continuous flow photochemistry have been reported. [34][35][36] Our reactor system has further enhanced temperature control and in-line detection (via UV-vis) capability, in addition to full software control allowing for ML-assisted process optimisation.…”

Section: Introductionmentioning

confidence: 99%

Machine-learning assisted optimisation during heterogeneous photocatalytic degradation utilising a static mixer under continuous flow

Kohl,

Zuo,

Muir

et al. 2024

React. Chem. Eng.

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Section: Introductionmentioning

confidence: 99%

Machine-learning assisted optimisation during heterogeneous photocatalytic degradation utilising a static mixer under continuous flow

Kohl,

Zuo,

Muir

et al. 2024

React. Chem. Eng.

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“…A detailed analysis of the results of leachate treatment by different processes can be found in recent review studies (Wang et al, 2013;Song et al, 2023). Advanced oxidation processes (AOPs), particularly heterogeneous photocatalysis, show promise as complementary treatments to biological processes in sanitary landfills (Turkten and Bekbölet, 2020;Silva et al, 2022). Hassan et al (2016), in a review article, highlighted that heterogeneous photocatalysis with the semiconductor TiO2 afforded satisfactory degradation of several recalcitrant compounds from landfill leachates.…”

Section: Introductionmentioning

confidence: 99%

Study of the effectiveness of a ZnO–TiO2 formulation in the degradation of humic substances in mature leachate by solar photocatalysis Brazil

Nohara,

Izário Filho,

Siqueira

et al. 2023

Rev. ambiente água

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Treatment of landfill leachate is an important environmental issue, especially in developing countries such as Brazil. Advanced oxidation processes (AOPs) have been considered interesting treatment alternatives. In this study, ZnO–TiO2 mixtures were incorporated into a paint polymer matrix and fixed onto supports. Paints were applied by overlapping coat layers on plates, resulting in high film thickness (600 ± 80 µm). Treatment of mature leachate by an AOP was conducted in a plug flow reactor connected to a stirred tank under solar irradiation. The objective was to evaluate the degradation of humic acid (HA) and fulvic acid + humins (FAH). The highest HA and FAH removal efficiencies were 62% ± 4.9% and 16% ± 4.2%, respectively. The kinetic model provided a coefficient of determination (R2) of 0.974. Rate constants for HA and FAH removal were 2.96 and 1.03 × 10−3 min−1, respectively. Statistical models for HA and FAH degradation had R2 values of 0.96 and 0.99, respectively. Both approaches indicated that HA degradation is greater at acidic pH and higher TiO2 concentrations. FAH degradation was favored by acidic pH and higher ZnO concentrations. Statistical models showed the same mean difference in conversion between replicate runs of HA and FAH, suggesting a uniform diffusion of fractions through catalysts. Keywords: heterogeneous photocatalysis, humic and fulvic acid, landfill leachate treatment, titanium dioxide, zinc oxide.

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Critical Review of Photocatalytic Reactor Designs for Environmental Applications

Thaha,

Nalandhiran,

Kaliyamoorthy

et al. 2024

Green Energy and Technology

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Solar-driven heterogeneous photocatalysis using a static mixer as TiO2-P25 support: Impact of reflector optics and material

Cited by 10 publications

References 46 publications

Machine-learning assisted optimisation during heterogeneous photocatalytic degradation utilising a static mixer under continuous flow

Machine-learning assisted optimisation during heterogeneous photocatalytic degradation utilising a static mixer under continuous flow

Study of the effectiveness of a ZnO–TiO2 formulation in the degradation of humic substances in mature leachate by solar photocatalysis Brazil

Critical Review of Photocatalytic Reactor Designs for Environmental Applications

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