Occurrence, toxic effects, and mitigation of pesticides as emerging environmental pollutants using robust nanomaterials – A review

Chemosphere, Journal Year: 2022, Volume and Issue: 293, P. 133538 - 133538

Published: Jan. 5, 2022

Language: Английский

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Why five decades of massive research on heterogeneous photocatalysis, especially on TiO2, has not yet driven to water disinfection and detoxification applications? Critical review of drawbacks and challenges

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 477, P. 146875 - 146875

Published: Nov. 3, 2023

For fifty years, heterogeneous photocatalysis has been considered as having potential to remove organic and microbiological pollutants from water under either artificial UV light or sunlight irradiation. However, after tens of thousands published research papers, this system unable move laboratory bench scale application mainly due intrinsic thermodynamic limitations well kinetical engineering drawbacks inherent the heterogenous nature process undergoing much longer treatment times when compared with other well-established options. Based on recent literature evidence, critical review aims describe discuss most significant TiO2-based photocatalytic processes eliminate biological chemical at a convenient degradation rate in noncomplex operational way. The properties mechanistic action mode TiO2 similar semiconductors their for are highlighted. Moreover, common strategies unsuccessfully explored overcome these described. Even if analysis is specially focused photocatalysis, assertions conclusions herein can be extrapolated all purpose reach disinfection detoxification. As 50 years ago, main challenge remains develop new, modified (i.e., doped), combined junctions) photocatalyst generating high oxidative species enough rates significantly decrease time type (hours) contrast seconds minutes observed systems.

Language: Английский

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Enhanced photo-Fenton degradation of fluoroquinolones in water assisted by a 3D composite sponge complexed with a S-scheme MoS2/Bi2S3/BiVO4 ternary photocatalyst

Applied Catalysis B Environment and Energy, Journal Year: 2022, Volume and Issue: 315, P. 121580 - 121580

Published: June 2, 2022

Language: Английский

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Solid-supported photocatalysts for wastewater treatment: Supports contribution in the photocatalysis process

Solar Energy, Journal Year: 2023, Volume and Issue: 255, P. 99 - 125

Published: March 27, 2023

Language: Английский

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Removal of Azo Dyes from Wastewater through Heterogeneous Photocatalysis and Supercritical Water Oxidation

Separations, Journal Year: 2023, Volume and Issue: 10(4), P. 230 - 230

Published: March 27, 2023

Azo dyes are synthetic organic used in the textile, leather, and paper industries. They pose environmental problems due to their toxic persistent nature. The toxicity is presence of azo groups dye molecule that can break down into aromatic amines, which highly aquatic organisms humans. Various treatment methods have been developed remove from wastewater. Conventional wastewater treatments some drawbacks, such as high operating costs, long processing times, generation sludge, formation by-products. For these reasons, a valid alternative constituted by advanced oxidation processes. Good results obtained using heterogeneous photocatalysis supercritical water oxidation. In former method, photocatalyst contact with wastewater, suitable light activates catalyst, generated reactive oxygen species react pollutants through oxidative reactions complete mineralization; latter involves pressurizing heating conditions reactor vessel, adding an oxidizing agent water, allowing mixture react. this review paper, works literature deal containing photocatalysts immobilized on macroscopic supports (structured photocatalysts) technique critically analyzed. particular, advancement formulation structured for degradation has shown, underlying different important features, type support photoactive phase, configuration, photocatalytic efficiency terms stability. case oxidation, main regarding COD TOC removal reported, taking account type, pressure, temperature, well reaction time.

Language: Английский

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Chalcogenide-based S-scheme heterojunction photocatalysts

CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION), Journal Year: 2024, Volume and Issue: 63, P. 81 - 108

Published: Aug. 1, 2024

Language: Английский

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Recent advances in sorption-based photocatalytic materials for the degradation of antibiotics

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 523, P. 216257 - 216257

Published: Oct. 11, 2024

Language: Английский

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Review of Polymeric Nanocomposites for Photocatalytic Wastewater Treatment

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(5), P. 4588 - 4614

Published: Feb. 21, 2024

The continuous upsurge in water pollution caused by harmful organic and inorganic contaminants has led to a shortage of nontoxic, clean effective waste management. Therefore, it is crucial establish an eco-friendly approach using sustainable, biodegradable, recyclable materials treat the wastewater. In this regard, photocatalysts are highly for mitigating certain degree through energy-efficient greener approach. Among various photocatalysts, polymeric nanocomposites have attracted considerable consideration owing their several advantageous characteristics like higher surface area, extended volume ratio, advanced adsorption efficiency, application degradation contaminants. comprehensive review, we focused on recent synthetic approaches development nanocomposites. Also, these also been extensively summarized. This article further discusses process photocatalysis provide clear understanding reader.

Language: Английский

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Recent progress in defect‐engineered metal oxides for photocatalytic environmental remediation

Photochemistry and Photobiology, Journal Year: 2024, Volume and Issue: 100(4), P. 830 - 896

Published: May 16, 2024

Rapid industrial advancement over the last few decades has led to an alarming increase in pollution levels ecosystem. Among primary pollutants, harmful organic dyes and pharmaceutical drugs are directly released by industries into water bodies which serves as a major cause of environmental deterioration. This warns severe need find some sustainable strategies overcome these increasing eliminate pollutants before being exposed environment. Photocatalysis is well-established strategy field pollutant degradation various metal oxides have been proven exhibit excellent physicochemical properties makes them potential candidate for remediation. Further, with aim rapid industrialization photocatalytic technology, constant efforts made activity oxides. One such introduction defects lattice parent catalyst through doping or vacancy plays role enhancing catalytic achieving rates. review provides comprehensive analysis their altering material. Various defect-rich like binary oxides, perovskite spinel summarized application degradation. Finally, summary existing research, followed challenges along countermeasures provided pave path future studies this promising field.

Language: Английский

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Applications of photocatalytic titanium dioxide-based nanomaterials in sustainable agriculture

Journal of Photochemistry and Photobiology C Photochemistry Reviews, Journal Year: 2019, Volume and Issue: 40, P. 49 - 67

Published: June 20, 2019

Language: Английский

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