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Biological Wastewater Treatment around the Globe

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

Deadline for manuscript submissions: closed (10 November 2023) | Viewed by 4455

Special Issue Editor


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Guest Editor
School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
Interests: biological treatment; recycling of wastewater
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Biological wastewater treatment is a modern technique that is designed to degrade pollutants dissolved in wastewater by the action of microorganisms. This Special Issue of Water focuses on the current state of research on biological wastewater treatment. New research papers, reviews and case reports are welcome in this Special Issue.

This Special Issue aims to serve as a platform for new scientific evidence on the biological processes of contaminants (chemical, microbial, anthropogenic particles such as nanoparticles or microplastics) and their removal from water and wastewater, as well as articles devoted to advanced biological technological solutions and their applications in environmental remediation. 

Here are some examples of topics that could be addressed in this Special Issue:

  • Biological treatment technologies;
  • Wastewater treatment;
  • Hazardous pollutant abatement;
  • Biodegradation pathway;
  • Biofilm viability;
  • Extracellular polymeric substances;
  • Membrane-aerated biofilm reactor;
  • Bioelectrochemical system;
  • Semiconductor-biological hybrid system;
  • Microalgal–bacterial symbiotic system.

You may choose our Joint Special Issue in IJERPH.

Dr. Xinbai Jiang
Guest Editor

Manuscript Submission Information

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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 2600 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

  • wastewater treatment
  • biological treatment
  • biological treatment technologies
  • water reuse
  • biocatalysts
  • hazardous pollutant abatement
  • biodegradation pathway
  • biofilm viability
  • extracellular polymeric substances
  • membrane-aerated biofilm reactor
  • bioelectrochemical system
  • semiconductor&ndash
  • biological hybrid system
  • microalgal-bacterial symbiotic system

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Published Papers (2 papers)

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Research

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17 pages, 3185 KiB  
Article
Effect of pH, COD, and HRT on the Performance of Microbial Fuel Cell Using Synthetic Dairy Wastewater
by Aritro Banerjee, Rajnish Kaur Calay and Subhashis Das
Water 2023, 15(19), 3472; https://doi.org/10.3390/w15193472 - 30 Sep 2023
Cited by 9 | Viewed by 2614
Abstract
Microbial fuel cells (MFC) are emerging technologies that can produce electricity while treating wastewater. A series of tests were carried out to evaluate the efficiency of this technology for treating dairy wastewater (DWW). The experiments used Shewanella baltica as an exoelectrogen in a [...] Read more.
Microbial fuel cells (MFC) are emerging technologies that can produce electricity while treating wastewater. A series of tests were carried out to evaluate the efficiency of this technology for treating dairy wastewater (DWW). The experiments used Shewanella baltica as an exoelectrogen in a small single MFC to treat simulated DWW. The impacts of various operational factors, specifically pH, hydraulic retention time (HRT), and chemical oxygen demand (COD) in the influent to the anode chamber, were investigated, and the effect of these variables on the output performance of the cell was evaluated. The best performance of the MFC was found when the pH, HRT, and COD were 8, 6.66 h, and 20,632 mg/L, respectively, in the scaled experimental setup. Under these conditions, the maximum power density and percentage removal of COD in terms of wastewater treatment ability were found to be 138 mW/m2 and 71%, respectively. It may be concluded that MFCs are suitable treatment technologies for treating dairy wastewater while potentially simultaneously generating power. Full article
(This article belongs to the Special Issue Biological Wastewater Treatment around the Globe)
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Review

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11 pages, 1512 KiB  
Review
Quinoid Redox Mediators and Their Involvement in Environmental Pollution Treatment
by Haikun Zhang, Manman Cheng, Yan Li and Wenhao Chen
Water 2023, 15(22), 3981; https://doi.org/10.3390/w15223981 - 16 Nov 2023
Cited by 1 | Viewed by 1495
Abstract
In recent years, quinoid redox mediators (QRMs) have attracted increasing attention because of their key role in wastewater biotreatment. Previous studies have shown that the anaerobic respiration of many bacteria could be coupled to the reduction and reoxidation of quinone groups. Thus, QRMs [...] Read more.
In recent years, quinoid redox mediators (QRMs) have attracted increasing attention because of their key role in wastewater biotreatment. Previous studies have shown that the anaerobic respiration of many bacteria could be coupled to the reduction and reoxidation of quinone groups. Thus, QRMs are widely involved in the microbial transformation of various organic and inorganic substances. To date, few reviews have focused on the involvement of quinoid compounds in environmental pollution biotreatment processes. In this paper, we review the different types of QRMs that interact closely with microorganisms, the characteristics of those QRMs, the involvement of QRMs during the biotransformation of recalcitrant organic pollutants, heavy metal ions and metallic oxides, and their enhancement on microbial fuel cells. Finally, the future research focus and application prospects with regard to different types of QRMs are proposed. This study can improve our understanding of QRM-mediated environmental pollution biotreatment processes and provide fundamental guidance on what kinds of QRMs are practical for engineering applications. Full article
(This article belongs to the Special Issue Biological Wastewater Treatment around the Globe)
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