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Innovative Approaches to Environmental Technology and Sustainable Wastewater Treatment

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Water Management".

Deadline for manuscript submissions: 30 April 2026 | Viewed by 1846

Special Issue Editor


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Guest Editor
Laboratory of Water Sciences, Microbial Biotechnologies and Natural Resources Sustainability, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco
Interests: nature-based solutions; wastewater treatment; sanitation; water quality; water reuse; sustainable development; climate change adaptation
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Special Issue Information

Dear Colleagues,

In response to the global demand for sustainable water management and environmental protection, we are pleased to announce a call for papers for a Special Issue of Sustainability entitled "Innovative Approaches to Environmental Technology and Sustainable Wastewater Treatment". This Special Issue aims to provide a platform for researchers, scholars, and practitioners to present cutting-edge research, insights, and innovative solutions that address pressing challenges in sustainable wastewater treatment, water scarcity, and environmental protection.

Water management and treatment systems are critical to ensuring the health and sustainability of ecosystems and communities. This Special Issue will explore the latest advances in environmental technology, focusing on innovations in wastewater treatment that help reduce pollution, conserve water resources, and promote sustainability. A strong emphasis is placed on addressing water scarcity and adapting to climate change, highlighting the role of non-conventional water resources, such as treated wastewater, desalination, and rainwater harvesting. These resources offer promising solutions to reduce pressure on freshwater supplies and increase resilience to climate change.

The scope of this Special Issue covers a wide range of topics, including nature-based solutions, emerging technologies, process optimization, and sustainable practices that improve the efficiency of wastewater treatment systems. It will present innovative, energy-efficient, and cost-effective wastewater treatment technologies that promote environmental sustainability by minimizing energy consumption, reducing chemical use, and increasing water reuse potential.

In addition, this Special Issue will complement the existing literature by filling knowledge gaps in advanced treatment processes, low-cost solutions, and interdisciplinary approaches. Contributions that explore life cycle assessment, sustainability monitoring, and the role of regulatory policies in advancing these innovative approaches are strongly encouraged. We also welcome research on nature-based solutions, such as constructed wetlands and eco-technology systems that use natural processes to treat wastewater, thereby reducing environmental impact and promoting ecosystem resilience.

The socio-economic factors involved in the implementation of sustainable wastewater technologies will also be considered. This Special Issue will focus on how these technologies can be applied in both developed and developing regions, taking into account cost-effectiveness, scalability, and social acceptability. Tools and metrics for measuring sustainability, such as life cycle assessment and environmental impact analysis, will provide quantifiable data on how wastewater treatment methods contribute to reduced carbon footprints, water recovery, and overall ecosystem health.

Several papers are expected to examine how policy frameworks and regulations can help the adoption of sustainable wastewater technologies. This will include discussions on existing regulatory frameworks and how they can evolve to support the integration of sustainable technologies into water management systems.

Topics of interest for this Special Issue include, but are not limited to, the following:

  • Sustainable technologies for wastewater treatment;
  • Nature-based water treatment solutions;
  • Water reuse, recycling, and resource recovery;
  • Non-conventional water resources (e.g., desalination, reclaimed wastewater, rainwater harvesting);
  • Addressing water scarcity through innovative technologies;
  • Climate change adaptation strategies in water management;
  • Energy-efficient and cost-effective treatment systems;
  • Life cycle assessment of wastewater treatment processes;
  • Pollution control strategies in wastewater management;
  • Circular economy approaches to water management;
  • Socio-economic impacts of sustainable water technologies;
  • Water management policies and regulations.

This Special Issue will contribute to sustainable development by providing solutions that not only address environmental concerns but also consider economic and societal impacts, in line with this journal's goals. We look forward to receiving your contributions.

Prof. Dr. Laila Mandi
Guest Editor

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

  • wastewater treatment
  • water scarcity
  • non-conventional water
  • nature-based solutions
  • water reuse
  • energy efficiency
  • resource recovery
  • climate adaptation
  • circular economy
  • water policy

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Published Papers (1 paper)

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Research

13 pages, 2705 KB  
Article
Understanding the Efficiency of Catalytic Ozonation for the Degradation of Synthetic Dyes in Water: A Study of Degradation Mechanism and Pathways
by Naif Ghazi Altoom
Sustainability 2025, 17(18), 8349; https://doi.org/10.3390/su17188349 - 17 Sep 2025
Viewed by 456
Abstract
Dyes in wastewater are an environmental issue due to the persistent nature of these compounds. This comparative study examined the efficiency of ozonation and catalytic ozonation using Fe3+/O3 for the degradation of two selected dyes, Methylene Blue (MB) and Methyl [...] Read more.
Dyes in wastewater are an environmental issue due to the persistent nature of these compounds. This comparative study examined the efficiency of ozonation and catalytic ozonation using Fe3+/O3 for the degradation of two selected dyes, Methylene Blue (MB) and Methyl Orange (MO). For MB, ozonation alone achieved 65% degradation within the maximum reaction time of 15 min, whereas 100% degradation was obtained with the Fe3+/O3 method in the same time. On the other hand, for MO, ozonation alone resulted in 85% degradation within 15 min, while the Fe3+/O3 method achieved 100% degradation in 10 min. The effect of Fe3+ dose was also investigated, and 3 ppm was found to be the most efficient. The scavenger effect highlighted that OH radicals were the dominant species for degradation. For MB, the highest degradation rate was observed at pH 9, which is attributed to catalyzed ozone decomposition, thereby enhancing the generation of OH radicals to a higher concentration. For MO, the degradation rate was highest at pH 5. LC-MS analysis was performed to explore MB degradation products formed during Fe3+/O3 treatment. Five main degradation products were observed, with the main pathway involving the generation of P1, P2, and P3. Based on the results, the Fe3+/O3 method is considered efficient for wastewater treatment. This study highlights the Fe3+/O3 method as a sustainable solution for the degradation of dyes from textile wastewater. Full article
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