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Advanced Oxidation for Wastewater Treatment and Environmental Sustainability
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Advanced Oxidation for Wastewater Treatment and Environmental Sustainability

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Waste and Recycling".

Deadline for manuscript submissions: closed (1 January 2024) | Viewed by 7212

Special Issue Editors

Prof. Dr. Chun Zhao

E-Mail Website
Guest Editor
Department of Water Science and Engineering, Chongqing University, Chongqing, China
Interests: advanced water treatment technologies; advanced oxidation technologies; novel carbon-based materials for removing contaminants of emerging concern from water
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Hongguang Guo

E-Mail Website
Guest Editor
College of Architecture and Environment, Sichuan University, Chengdu 610065, China
Interests: water and wastewater treatment; advanced oxidation or reduction processes; water disinfection; carbon neutrality in water decontamination
Dr. Yunhua Zhu

E-Mail Website
Guest Editor
Department of Architectural Environment and Energy Application Engineering, Yanshan University, Qinhuangdao 066004, China
Interests: advanced oxidation technologies; enhanced permanganate oxidation technologies; treatment of refractory organic wastewater

Special Issue Information

Dear Colleagues,

With the rapid development of society in recent years, the contamination of aqueous environments is an urgent problem worldwide. Conventional wastewater treatment technologies have difficulty treating emerging and refractory pollutants. The development of effective technologies for water decontamination has become an urgent demand and a research hotspot. With the characteristics of strong oxidation ability and no secondary pollution, advanced oxidation processes (AOPs) have been considered an efficient treatment technology. AOPs can decompose pollutants rapidly through the production of reactive oxygen species.

This Special Issue focuses on advanced oxidation technologies for wastewater treatment and environmental sustainability, for example, Fenton oxidation, photocatalytic oxidation, ozone oxidation, electrochemical oxidation, sulfate-radical-based advanced oxidation, and so on.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following: advanced oxidation technologies based on ozone, persulfate, permanganate, chlorine, ferrate, hyperoxide, light, electricity, and ultrasound for the removal of emerging contaminants, refractory organics, and pathogenic microorganisms in aqueous solution.

The submission deadline is July 1st, 2023. You can send your manuscript at any point from now until the deadline. Submitted papers should not be under consideration for publication elsewhere.

We look forward to receiving your contributions.

Prof. Dr. Chun Zhao
Prof. Dr. Hongguang Guo
Dr. Yunhua Zhu
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. Sustainability 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 2400 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 processes
  • ozonation
  • persulfate
  • permanganate
  • ferrate
  • hyperoxide
  • reactive oxidative species
  • photocatalysis
  • electrocatalysis
  • refractory organics

Published Papers (4 papers)

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14 pages, 4109 KiB  
Article
The Improvement of Rice Straw Anaerobic Co-Digestion with Swine Wastewater by Solar/Fe(II)/PS Pretreatment
by Pengcheng Liu and Yunxia Pan
Sustainability 2023, 15(8), 6707; https://doi.org/10.3390/su15086707 - 15 Apr 2023
Cited by 1 | Viewed by 995
Abstract
Rice straw (RS) is among the agricultural waste products with the highest methane production potential in the world, but the refractory complex structure and high carbon-to-nitrogen ratio of RS cause low methane conversion efficiency and limit its widespread application in anaerobic digestion. In [...] Read more.
Rice straw (RS) is among the agricultural waste products with the highest methane production potential in the world, but the refractory complex structure and high carbon-to-nitrogen ratio of RS cause low methane conversion efficiency and limit its widespread application in anaerobic digestion. In this study, Solar/Fe (II)/persulfate (PS) pretreatment of RS was investigated to improve microbial accessibility, and anaerobic co-digestion combined pretreated RS and swine wastewater (SW) were evaluated to improve the efficiency of anaerobic digestion. The results showed that the Solar/Fe (II)/PS pretreatment could disrupt the structure of RS and promote the reduction of sugar content, increasing microbial accessibility to RS. When all the components of the pretreated RS (including the use of the solution remaining from the pretreatment) were anaerobically co-digested with SW, the cumulative biogas production and cumulative methane production reached 252.10 mL/g·VS and 163.71 mL/g·VS, 19.18% and 36.97% higher than the anaerobic co-digestion of untreated RS and SW, respectively. The anaerobic co-digestion of the Solar/Fe (II)/PS-pretreated RS with SW is a promising approach to achieving the utilization of RS components and maximizing methane yields, providing a cost-effective and pollution-free method for the production of high-quality bioenergy from agricultural waste. Full article
(This article belongs to the Special Issue Advanced Oxidation for Wastewater Treatment and Environmental Sustainability)
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14 pages, 6053 KiB  
Article
Oxidation Ditches for Recycling and Reusing Wastewater Are Critical for Long-Term Sustainability—A Case Study
by Saad M. Alramthi, Gamila H. Ali, Atiah M. Elthagafi, Saad H. Eldosari, Bao-Ku Zhu and Hosam M. Safaa
Sustainability 2022, 14(24), 16737; https://doi.org/10.3390/su142416737 - 14 Dec 2022
Cited by 3 | Viewed by 2690
Abstract
Because the cost of operation and maintenance is lower than those of chemical treatments, the aerobic biological oxidation method used to treat wastewater is very effective. An oxidation ditch can be classified as progressive aeration-activated sludge capable of removing organic pollutants and also [...] Read more.
Because the cost of operation and maintenance is lower than those of chemical treatments, the aerobic biological oxidation method used to treat wastewater is very effective. An oxidation ditch can be classified as progressive aeration-activated sludge capable of removing organic pollutants and also nitrogen and phosphorus. The overall goal of this research is to analyse influent, effluent, and operating data over a seven-year period (2014–2020) to better understand process performance, identify knowledge gaps, and suggest potential improvements for the operating efficiency of the wastewater treatment plant (WWTP) in Bishah Governorate, which works with oxidation ditch technology. An examination of historical influent, effluent, and operational data shows that the Bishah WWTP has consistently met the national and international guidelines for wastewater reuse in restricted and unrestricted irrigation. The effluent ratio of the biodegradable organic material (BOD5)/chemical oxygen demand (COD) values ranged from 0.3 to 0.51 with an average of 0.41. Significant Pearson correlation coefficients (bivariate) between physico-chemicals merit, especially in total coliforms form, BOD5 and ammonia. It could be concluded that the operational performance of a wastewater treatment plant with an oxidation ditch in Bishah is working well according to national and international standards. Full article
(This article belongs to the Special Issue Advanced Oxidation for Wastewater Treatment and Environmental Sustainability)
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15 pages, 61916 KiB  
Article
Reduction of High-Chromium-Containing Wastewater in the Leaching of Pyritic Waste Rocks from Coal Mines
by Rodrigo de Almeida Silva, Marina Paula Secco, Jean Carlo Salomé dos Santos Menezes, Ivo André Homrich Schneider and Richard Thomas Lermen
Sustainability 2022, 14(19), 11814; https://doi.org/10.3390/su141911814 - 20 Sep 2022
Cited by 4 | Viewed by 1775
Abstract
Coal is an abundant resource which can be used to produce low-cost energy; however, its usage causes great environmental damage. Before mineral coal can be used, it must be processed to remove coal tailings. These tailings contain pyrite and accumulate in large dumps, [...] Read more.
Coal is an abundant resource which can be used to produce low-cost energy; however, its usage causes great environmental damage. Before mineral coal can be used, it must be processed to remove coal tailings. These tailings contain pyrite and accumulate in large dumps, presenting significant environmental liabilities, such as acid mine drainage. Another industry that generates environmental liabilities is the chrome-plating industry, mainly because it produces hexavalent chromium (Cr6+) waste. The main aim of this work was to evaluate Cr6+ as a reduction agent in trivalent chromium (Cr3+) conversion in the leaching of coal-mine waste containing pyrite. Cr3+ is about 100 times less toxic than Cr6+ and can be easily removed from industrial effluents by alkaline precipitation. There are several sources of effluents containing Cr6+—a compound which is known worldwide to be toxic, carcinogenic, and mutagenic. A leaching and treatment device was developed and tested for waste treatment. The results indicated that the developed treatment system reduced 100% of Cr6+ to Cr3+ through pyrite leaching in a Cr6+ wastewater sample from the electroplating industry. In addition, the chromium sludge resulting from the treatment process, after calcination, was tested in a ceramic glaze as a pigment and, when compared with an industrial pigment, showed similar mineralogical characteristics. Full article
(This article belongs to the Special Issue Advanced Oxidation for Wastewater Treatment and Environmental Sustainability)
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8 pages, 1651 KiB  
Case Report
The Use of E-Peroxone to Neutralize Wastewater from Medical Facilities at a Laboratory Scale
by Maciej Gliniak, Piotr Nawara, Arkadiusz Bieszczad, Krzysztof Górka and Janusz Tabor
Sustainability 2023, 15(2), 1449; https://doi.org/10.3390/su15021449 - 12 Jan 2023
Viewed by 1216
Abstract
The treatment of medical wastewater by the peroxone (AOP) and electro-peroxone (E-peroxone) processes was analyzed. The E-peroxone process is based on the production of hydrogen peroxide electrochemically from an O2 and O3 gas mixture produced in sparged ozone generator effluent using [...] Read more.
The treatment of medical wastewater by the peroxone (AOP) and electro-peroxone (E-peroxone) processes was analyzed. The E-peroxone process is based on the production of hydrogen peroxide electrochemically from an O2 and O3 gas mixture produced in sparged ozone generator effluent using graphite-polytetrafluorethylene cathodes. The electrogenerated H2O2 reacts with sparged ozone to produce hydroxyl radicals. All advanced oxidation processes presented in this study effectively removed chemical oxygen demand (COD) by up to 87%. The use of E-peroxone showed 15% better results in COD reduction than conventional peroxone. The research suggests that E-peroxone is more sufficient at removing pollutants in wastewater than peroxone. Hence, E-peroxone was found to be more cost-effective than AOP in this case. Full article
(This article belongs to the Special Issue Advanced Oxidation for Wastewater Treatment and Environmental Sustainability)
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