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Catalysts
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Photocatalysts in Wastewater Treatment
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Photocatalysts in Wastewater Treatment

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Environmental Catalysis".

Deadline for manuscript submissions: closed (31 May 2021) | Viewed by 3376

Special Issue Editors

Dr. Ciro Bustillo-Lecompte

E-Mail Website
Guest Editor
Graduate Programs in Environmental Applied Science and Management, and School of Occupational and Public Health, Ryerson University, 350 Victoria Street, Toronto, ON M5B 2K3, Canada
Interests: advanced treatment of water and wastewater; waste minimization and water reuse; integration of advanced oxidation technologies and biological processes for industrial wastewater treatment; water, soil, and air quality; energy and resource recovery
Special Issues, Collections and Topics in MDPI journals
Dr. Edgar Quiñones-Bolaños

E-Mail Website
Guest Editor
Department of Civil Engineering, Universidad de Cartagena, Sede Piedra de Bolívar, Avenida del Consulado 48-152, Cartagena, Colombia
Interests: water, soil, and air quality; environmental modelling; transport and fate of pollutants; water and wastewater treatment technologies: modelling and simulation.
Special Issues, Collections and Topics in MDPI journals
Dr. Jose Colina-Márquez

E-Mail Website
Guest Editor
Department of Chemical Engineering, Universidad de Cartagena, Sede Piedra de Bolívar, Avenida del Consulado 48-152, Cartagena, Colombia
Interests: heterogeneous catalysis; thin films and nanotechnology; chemical reaction engineering; adsorption; industrial wastewater treatment by solar photocatalysis; novel material synthesis for advanced oxidation processes applications
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Mehrab Mehrvar

E-Mail Website
Guest Editor
Department of Chemical Engineering, Toronto Metropolitan University (Formerly Ryerson University), 350 Victoria Street, Toronto, ON M5B 2K3, Canada
Interests: photochemical reaction engineering, including photocatalysis, UV/hydrogen peroxide, fenton/photo-fenton, etc.; integration of advanced oxidation technologies and biological processes for wastewater treatment; effects of climate change on the quality and quantity of groundwater
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Advanced wastewater treatment technologies, specifically in photocatalysis, are becoming attractive alternative and complementary treatments to traditional treatment methods. Among the diverse advanced oxidation processes (AOPs), photocatalysis is used to improve wastewater biodegradability, eliminate recalcitrant organics, and disinfect waterborne and airborne pathogens. This Special Issue of Catalysts aims to cover the state-of-the-art of photocatalysis in wastewater treatment, recent progress and trends in the field of photocatalyst development, nanotechnology applications, the degradation of emerging contaminants, the development of novel catalytic materials, and the combination of photocatalysis with other wastewater treatment technologies, among other relevant topics. Authors with expertise in photocatalysis for wastewater treatment are invited to submit their original research and review articles to Catalysts.

Dr. Ciro Bustillo-Lecompte
Dr. Edgar Edgar Quiñones-Bolaños
Dr. Jose Colina-Márquez
Prof. Dr. Mehrab Mehrvar
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • photocatalysis
  • advanced oxidation technologies
  • wastewater treatment
  • hybrid processes
  • process intensification
  • photocatalytic reaction engineering
  • photocatalyst development
  • novel doping methods
  • photoreactor design
  • photocatalytic efficiency

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Published Papers (1 paper)

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Research

11 pages, 2221 KiB  
Article
Effect of Background Water Matrices on Pharmaceutical and Personal Care Product Removal by UV-LED/TiO2
by Azar Fattahi, Ivana Jaciw-Zurakowsky, Nivetha Srikanthan, Leslie Bragg, Robert Liang, Norman Zhou, Mark Servos and Maricor Arlos
Catalysts 2021, 11(5), 576; https://doi.org/10.3390/catal11050576 - 30 Apr 2021
Cited by 6 | Viewed by 2315
Abstract
In this study, we evaluated the effectiveness of UV-LED-irradiated TiO2 in removing 24 commonly detected PPCPs in two water matrices (municipal wastewater effluent and Suwannee River NOM–synthetic water) and compared their performance with that of ultrapure water. Relatively fast removal kinetics were [...] Read more.
In this study, we evaluated the effectiveness of UV-LED-irradiated TiO2 in removing 24 commonly detected PPCPs in two water matrices (municipal wastewater effluent and Suwannee River NOM–synthetic water) and compared their performance with that of ultrapure water. Relatively fast removal kinetics were observed for 29% and 12% of the PPCPs in ultrapure water and synthetic surface water, respectively (kapp of 1–2 min−1). However, they all remained recalcitrant to photocatalysis when using wastewater effluent as the background matrix (kapp < 0.1 min−1). We also observed that the pH-corrected octanol/water partition coefficient (log Dow) correlated well with PPCP degradation rate constants in ultrapure water, whereas molecular weight was strongly associated with the rate constants in both synthetic surface water and wastewater. The electrical energy per order (EEO) values calculated at the end of the experiments suggest that UV-LED/P25 can be an energy-efficient method for water treatment applications (2.96, 4.77, and 16.36 kW h m−3 in ultrapure water, synthetic surface water, and wastewater effluents, respectively). Although TiO2 photocatalysis is a promising approach in removing PPCPs, our results indicate that additional challenges need to be overcome for PPCPs in more complex water matrices, including an assessment of photocatalytic removal under different background water matrices. Full article
(This article belongs to the Special Issue Photocatalysts in Wastewater Treatment)
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