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Water and Wastewater Management in the Context of Environmental Sustainability

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

Deadline for manuscript submissions: 30 April 2026 | Viewed by 789

Special Issue Editors


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Guest Editor
Department of Environmental Engineering and Management, “Gheorghe Asachi” Technical University of Iasi, 73 Blvd. D. Mangeron, 700050 Iasi, Romania
Interests: environmental health and safety; impact and risk assessment; environmental quality monitoring and sustainable management
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Special Issue Information

Dear Colleagues,

Considering the urban water management challenges, the best options for water and wastewater treatment and management must be linked to circular economy concepts, which transform water and wastewater (effluents and sludge) from waste streams into valuable resources. Urban water management challenges nowadays refer to the removal of emerging/priority pollutants, energy requirements and greenhouse gas emissions, economic and social acceptance of innovative technologies, and decreased quality of water supply sources due to industrial and municipal pollution and climate changes. Water and wastewater treatment plants should be considered as important representatives of circular economy by integration of the renewable energy generation and resources recovery. Resources recovery from the municipal/industrial wastewater plants in the form of wastewater that might be recycled or reused, energy, nutrients and other resources need adequate strategies and treatment processes. Drinking or industrial water treatment plants as well as wastewater treatment for recycling and reuse and sludge treatment requires advanced and innovative processes (such as membranes, advanced oxidation, biological, adsorption, disinfection, etc.) which should be integrated within the conventional treatment or developed as separate modules so as to make treatment plants more financially and environmentally sustainable. Several tools and indicators for the sustainability assessment of urban water management could be applied for the evaluation of novel materials and processes, such as: life cycle assessment, carbon footprint assessment, integrated assessments and more.

Potential topics of research or review articles may include, but are not limited to the following:

  • novel processes and technologies for urban water or wastewater treatment such as: membranes, advanced oxidation, biological, adsorption etc.
  • innovative and advanced materials applied in water or wastewater treatment processes
  • assessment of water and wastewater treatment plants or processes considering the circular economy concepts and sustainability instruments,
  • conception of technological processes applied to wastewater treatment recycling and re-use, nutrients recovery
  • integration of advanced processes within the conventional technological flow of water and wastewater treatment,
  • sludge management and valorization.

Prof. Dr. Carmen Teodosiu
Dr. Brindusa Sluser
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 250 words) can be sent to the Editorial Office for assessment.

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

  • advanced wastewater treatment
  • water treatment
  • circular economy
  • innovative materials
  • innovative processes
  • urban water management
  • nutrient recovery
  • wastewater recycling and re-use
  • emerging pollutants

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Published Papers (1 paper)

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Research

21 pages, 5863 KB  
Article
Performance Evaluation of Diverse Filter Media Combinations Under Different Pollution and Hydraulic Loads in Constructed Wetlands
by Huaiwei Chen, Huaqi Yao, Jialei Yuan, Han Ke, Xuanqi Zhang and Anfeng Hu
Water 2025, 17(20), 2969; https://doi.org/10.3390/w17202969 - 15 Oct 2025
Viewed by 473
Abstract
During rapid social and economic growth, large amounts of organic matter, nitrogen, and phosphorus are released into the environment with wastewater, and constructed wetlands (CWs) play a key role in water pollution prevention and control. This study employed six test columns to evaluate [...] Read more.
During rapid social and economic growth, large amounts of organic matter, nitrogen, and phosphorus are released into the environment with wastewater, and constructed wetlands (CWs) play a key role in water pollution prevention and control. This study employed six test columns to evaluate the pollutant removal performance of various filter media combinations in CWs when treating synthetic sewage under different pollution and hydraulic loads. The results showed that all columns containing bio-ceramsite exhibited superior pollutant removal performance, especially for organics and phosphorus. A synergistic effect was observed between bio-ceramsite and volcanic rock in enhancing pollutant removal, with average removal rates of 88.02%, 69.69%, 62.96%, and 88.22% for COD, NH4+, TN, and TP, respectively, under the nine experimental conditions. Scanning Electron Microscopy (SEM), BET surface area testing, and microbial community structure analysis were conducted to investigate the reasons for the differences in pollutant removal efficiency among the columns. The results showed that bio-ceramsite exhibits a highly microporous structure and a large surface area of 1.3816 m2/g, which provides abundant adsorption sites for microorganisms and pollutant molecules. The microbial community structure on bio-ceramsite remained highly consistent across all column tests, with dominant microbial species playing a key role in enhancing pollutant removal efficiency. The conclusions of this study indicate the potential application of some filter media combinations in CW design for environmental conservation. Full article
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