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Special Issue "Advanced Oxidation/Reduction and Biological Processes for Water and Wastewater"

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A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: 31 May 2023 | Viewed by 4258

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Special Issue Editors

Dr. Shuwen Yan

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Guest Editor

Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
Interests: photochemical transformation; water and wastewater treatment; reactive oxygen species; fate of emerging contaminants during water treatment processes

Dr. Ai Zhang

E-Mail Website
Guest Editor

College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
Interests: removal of emerging contaminants by advanced oxidation processes; fate of emerging contaminants during sludge anaerobic digestion; chemical remediation of soil polluted by organic contaminants

Special Issue Information

Dear Colleagues,

We invite you to submit an article to the Special Issue of Water titled “Frontiers in Advanced Oxidation and Biological Processes for Water and Wastewater Treatment”.

This Special Issue publishes refereed, original research papers on all aspects of the science and technology of advanced oxidation and biological processes for water and wastewater treatment. A broad outline of the issue’s scope includes:

Advanced oxidation/reduction processes for water and wastewater treatment;
Biological processes for water and wastewater treatment;
Contaminants and related water quality sensing, monitoring, fate, and assessment;
Contaminant biotransformation, behavior, and environmental fate in water and water treatment systems;
Kinetics and mechanism of advanced oxidation/reduction processes;
Highly efficient treatment of wastewater and waste activated sludge;
Effluent organic matter properties.

Water invites articles which reflect data from real operating facilities (water treatment plants, wastewater treatment plants) and contain high-quality, novel information on advanced oxidation and biological processes for water and wastewater treatment.

Dr. Shuwen Yan
Dr. Ai Zhang
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. Water is an international peer-reviewed open access semimonthly 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

advanced oxidation/reduction
biological processes
emerging contaminants
water and wastewater treatment
kinetic studies
degradation mechanism
toxicity assessments

Published Papers (4 papers)

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Research

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Open AccessArticle

Influence of Sediment Dredging on the Distribution of Chlorinated Paraffin

Tao Yang

Bangping Deng

and

Chenyong Miao

Water 2022, 14(21), 3461; https://doi.org/10.3390/w14213461 - 29 Oct 2022

Viewed by 652

Abstract

To study the influence of dredged sediment transportation on the distribution of short-chain chlorinated paraffins (SCCPs, C10-13), medium-chain chlorinated paraffins (MCCPs, C13-17), and long-chain chlorinated paraffins (LCCPs, C18-28), 62 surficial sediment samples were collected from the Huangpu River and the Shanghai offshore areas, East China. A high-performance liquid chromatograph coupled with a quadrupole time-of-flight mass spectrometry system (HPLC-QTOF MS) was employed to measure CPs. The concentrations of CPs in sediment samples ranged from 8.76 to 1270.7 ng g⁻¹ for SCCPs, from 22.03 to 1730.78 ng g⁻¹ for MCCPs, and from undetected (ND) to 236.86 ng g⁻¹ for LCCPs. The concentrations were lower than those that can be toxic to organisms. Furthermore, the influence of sediment dredging activity on the distribution of CPs was also investigated. The concentrations of CPs in sediment discarding areas were significantly higher than those in the surrounding areas, but this result is consistent with the concentrations in the Huangpu River sediments where CPs originated. Also, the SCCP congener group in the discarding area was similar to that in the Huangpu River. These findings indicated that CPs exhibited lower migration in the discarding area and had limited environmental impacts. Full article

(This article belongs to the Special Issue Advanced Oxidation/Reduction and Biological Processes for Water and Wastewater)

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Open AccessArticle

Assessment of Glucocorticoid Removal by UVA/Chlorination and Ozonation: Performance Comparison in Kinetics, Degradation Pathway, and Toxicity

and

Water 2022, 14(16), 2493; https://doi.org/10.3390/w14162493 - 13 Aug 2022

Viewed by 852

Abstract

Glucocorticoids (GCs) have drawn great concern due to widespread contamination in the environment and application in treating COVID-19. This work aimed to compare the performance of UVA/chlorination and ozonation on GC removal in terms of removal efficiency, degradation pathway, and toxicity change, with fluocinolone acetonide (FA), triamcinolone acetonide (TA), and clobetasol propionate (CP) as target compounds. The results showed that both UVA/chlorination and ozonation could degrade GCs. Compared with UVA/chlorination (removal efficiency of 89% for FA, 86% for TA, and 90% for CP at 7 h), ozonation (removal efficiency of 90% for FA, 96% for TA, and 98% for CP at 15 min) was more effective in GC removal. Photodegradation contributed most to GC removal during UVA/chlorination, while O₃ molecules were the main functional species during ozonation. H-abstraction, dechlorination, carbon–carbon bond cleavage, and ester hydrolysis were proposed for both UVA/chlorination and ozonation based on the identification of intermediates. However, ozone tended to attack C=C double bonds, resulting in the cracked benzene ring of GCs, while chlorine was more likely to attack alcohol and ketone groups. Although most GCs were removed during ozonation and UVA/chlorination, their acute toxicities slightly declined. Compared with UVA/chlorination, ozonation was more effective in toxicity reduction. Full article

(This article belongs to the Special Issue Advanced Oxidation/Reduction and Biological Processes for Water and Wastewater)

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Graphical abstract

Open AccessArticle

Removal of Trichloroethylene from Water by Bimetallic Ni/Fe Nanoparticles

Xiaonan Liu

Minghong Wu

and

Jian Zhao

Water 2022, 14(10), 1616; https://doi.org/10.3390/w14101616 - 18 May 2022

Cited by 3 | Viewed by 1031

Abstract

Chlorinated organic solvents (COSs) are a significant threat to human beings. In this study, nanoscale bimetallic Ni/Fe particles were synthesized from the reaction of sodium borohydride (NaBH₄) with the reduction of Ni²⁺ and Fe²⁺ in an aqueous solution. The synthesized nanoscale zero-valent iron (nZVI) and Ni-nZVI were characterized by SEM (scanning electron microscopy), XRD (X-ray diffractometer), Brunauer–Emmett–Teller (BET), and transmission electron microscopy (TEM). The removal performance of trichloroethylene (TCE) over the nZVI catalyst and Ni-nZVI was evaluated. Ni-nZVI with different Ni contents exhibited good reactivity towards the dechlorination of TCE over a 1h period, and the pseudo-first-order rate constant for TCE dechlorination by Ni-nZVI was 1.4–3.5 times higher than that of nZVI. Ni-nZVI with 5 wt% Ni contents exhibited the best dechlorination effect; the removal rates of TCE and its by-product dichloroethylene (DCE) were 100% and 63.69%, respectively. These results indicated that the Ni nanoparticles as the second dopant metal were better than nZVI for TCE degradation. This determination of the optimal Ni-NZVI load ratio provides a factual and theoretical basis for the subsequent application of nano-metal binding in the environment. Full article

(This article belongs to the Special Issue Advanced Oxidation/Reduction and Biological Processes for Water and Wastewater)

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Graphical abstract

Review

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Open AccessReview

Comparison between Conventional Treatment Processes and Advanced Oxidation Processes in Treating Slaughterhouse Wastewater: A Review

Jen Xen Yeoh

Siti Nurul Ain Md. Jamil

Fadhil Syukri

Mitsuhiko Koyama

and

Mohsen Nourouzi Mobarekeh

Water 2022, 14(22), 3778; https://doi.org/10.3390/w14223778 - 21 Nov 2022

Cited by 1 | Viewed by 1258

Abstract

The blooming of the world’s human population and the transition of the human diet into a more westernized, high-protein diet has accelerated the production of slaughterhouse wastewater (SWW) as the number of meat processing plants (MPP) has increased in the past few decades. Conventional treatment processes (CTP) used in treating SWW, such as anaerobic processes, membrane processes, and electrocoagulation, have significant limitations, such as low treatment efficiency, tendency to foul, and high energy consumption, respectively. While advanced oxidation processes (AOPs) appear promising in replacing the former, they lack economic feasibility when used as a single process. In this paper, the limitations and disadvantages of the CTPs used in treating SWW influents are evaluated. The idea of utilising AOPs as a “complementary” step rather than a single process is also discussed. The review paper further explores the variability of different AOPs, such as Fenton, Electro-Fenton, Sono-Fenton, etc., and their respective strengths and weaknesses in counteracting the limitations of CTPs. The idea of incorporating resource recovery into wastewater treatment is also discussed towards the end of the paper as a means of generating additional revenue for the industry players to compensate for the high operation and maintenance costs of SWW treatment. The integration of a new-generation treatment process such as AOP into CTP while being able to carry out resource recovery is a future hurdle that must be overcome by scientists in order to produce a versatile, powerful, sustainable, yet financially feasible and operationally pragmatic treatment system. Full article

(This article belongs to the Special Issue Advanced Oxidation/Reduction and Biological Processes for Water and Wastewater)

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