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Advanced Biotechnologies for Water and Wastewater Treatment, 2nd Edition

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

Deadline for manuscript submissions: 20 October 2025 | Viewed by 509

Special Issue Editors


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Guest Editor

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Guest Editor
Graduate School of Sciences and Technology for Innovation, Yamaguchi University, 2-16-1 Tokiwadai, Ube 755-8611, Japan
Interests: biological wastewater treatment (aerobic, anaerobic); biological treatment/recycling of organic solid waste; oxygen supply methods in aerobic wastewater treatment; CO2 removal and storage
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Hot Laboratories and Waste Management Center, Atomic Energy Authority, Inshas, Cairo 13759, Egypt
Interests: water and wastewater treatment; pollution control; radioactive wastes; mathemat-ical modeling; nanomaterials; cement-based materials; hazardous waste immobili-zation
Special Issues, Collections and Topics in MDPI journals

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Guest Editor

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Guest Editor
COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Pakistan
Interests: wastewater treatment; anaerobic digestion; bioremediation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water treatment and wastewater treatment are very important to protect public health, environmental health, and the global economy. These treatment processes maintain safe as well as reliable water resources and may help in promoting sustainable development. Biological treatment technologies for water and wastewater treatment have been in existence for many years and are closely related to treatment performance efficiency, construction and operation costs, energy requirements, operational flexibility, and environmental impacts.  

Recently, biotechnology has been explored for the improvement of water treatment and wastewater treatment processes. The challenge will be to couple treatment efficiency with sustainable development to remove contaminants in water as well as wastewater, produce renewable energy, and meet the ever-increasingly stringent standards of regulatory agencies.  

The aim of this Special Issue of Water is to present the latest reports related to the applications of current biotechnology processes to enhance and improve the treatment performance of water as well as wastewater treatment processes and to reduce the costs of treatment, with potential energy recovery. Authors are encouraged to present their original research and review papers in related areas.

Prof. Dr. Yung-Tse Hung
Prof. Dr. Tsuyoshi Imai
Prof. Dr. Rehab O. Abdel Rahman
Prof. Dr. Issam A. Al-Khatib
Prof. Dr. Qaisar Mahmood
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 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

  • biotechnologies for water treatment
  • biotechnologies for wastewater treatment
  • advanced water treatment
  • advanced wastewater treatment
  • nutrient recovery from wastewater
  • energy recovery from wastewater
  • emerging contaminants in water and wastewater treatment
  • industrial waste treatment
  • municipal wastewater treatment
  • water reuse
  • water treatment

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Published Papers (1 paper)

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Research

25 pages, 2396 KiB  
Article
Diagnosis and Assessment of a Combined Oxylag and High Rate Algal Pond (COHRAP) for Sustainable Water Reuse: Case Study of the University Campus in Tunisia
by Chéma Keffala, Ghofrane Jmii, Ameni Mokhtar, Fouad Zouhir, Nourou Dine Liady, Bernard Tychon and Hugues Jupsin
Water 2025, 17(9), 1326; https://doi.org/10.3390/w17091326 - 29 Apr 2025
Abstract
Universities and other institutes of higher education could be considered as key actors in the implementation of sustainability pillars, such as the adoption of sustainable practices in wastewater management. However, the adoption of such practices is still an emerging issue. This paper discusses [...] Read more.
Universities and other institutes of higher education could be considered as key actors in the implementation of sustainability pillars, such as the adoption of sustainable practices in wastewater management. However, the adoption of such practices is still an emerging issue. This paper discusses the design and operation of the first combined Oxylag and high rate algal pond (COHRAP) constructed at the university campus in Tunisia for irrigation. Performance was evaluated based on the removal efficiencies of nutrients, chemical oxygen demand (COD), biochemical oxygen demand (BOD), heavy metals, coliforms, and biomass productivity. The potential reuse of sludge and algal biomass is discussed based on the Tunisian national standard regulation for sludge reuse in agriculture (NT 106.20) and the European regulation (EC, 2019/1009) for fertilizer products. Effluent phytotoxicity is tested on the germination and growth on Zea mays L. The results indicate that the COHRAP performance was globally satisfactory; however, biomass productivity (1.4 g m−2d−1) was low, indicating the need for adjustments in the operational parameters. Despite the effluent limitations for TSS and Hg, no phytotoxic effect was observed. Regarding the heavy metal content in sludge and algal biomass, the results obtained were in compliance with NT 106.20 and EC, 2019/1009), respectively. The energy consumption of COHRAP is 1.05 kWh/m3 resulting in operational costs of 0.29 euros/m3. This study revealed that COHRAP could be a sustainable option to treat wastewater from university campuses with resource recovery. Such a choice can be improved by the implementation of an algae recovery step. Full article
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