Bioremediation Techniques for Water Pollution: Towards a Cleaner Environment

A special issue of Environments (ISSN 2076-3298).

Deadline for manuscript submissions: 30 June 2026 | Viewed by 1270

Special Issue Editors


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Guest Editor
1. Department of Chemical Engineering, University of Pretoria, Pretoria, South Africa
2. Department of Chemistry, Kabale University, Kabale, Uganda
Interests: Waste valorization; Wastewater treatment (Bioremediation); Sensors

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Guest Editor
Department of Chemical Engineering, University of Pretoria, Pretoria 0002, South Africa
Interests: bioreactor design; waste valorisation; environmental remediation
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Guest Editor
Department for Knowledge and Communication Management, University for Continuing Education Krems, Krems, Austria
Interests: Unconventional resources, circular economy, comprehensive extraction, and resource security.
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Special Issue Information

Dear Colleagues,

Water pollution poses a significant global threat to both environmental health and human well-being, demanding innovative and sustainable solutions. Traditional remediation methods often face limitations due to high costs, energy consumption, and the potential for secondary pollution. Bioremediation, which utilizes the metabolic capabilities of microorganisms, plants, and their enzymes, offers a promising, eco-friendly, and cost-effective alternative for the detoxification of contaminated aquatic ecosystems. This approach can be applied to a wide range of pollutants, including heavy metals, organic compounds, and emerging contaminants, making it a critical area of research.

This Special Issue, “Bioremediation Techniques for Water Pollution: Towards a Cleaner Environment”, aims to serve as a comprehensive platform for the dissemination of cutting-edge research in this vital field. We seek to gather original research articles, reviews, and short communications that explore novel and advanced bioremediation technologies. Contributions may focus on topics such as the isolation and characterization of novel bioremediating agents, genetic engineering for enhanced pollutant degradation, the application of biofilms and consortia, phytoremediation strategies, and the use of enzyme-based remediation systems. The Issue also welcomes studies on the integration of bioremediation with other treatment processes and the development of new monitoring and assessment tools.

Our goal is to provide a valuable resource that guides academics and researchers toward a deeper understanding of current trends and challenges, fostering collaborative efforts to develop a cleaner and more sustainable future. We invite authors to submit their latest findings and contribute to this timely and important collection.

Dr. Hilda Dinah Kyomuhimbo
Dr. Hendrik Gideon Brink
Dr. Nils Haneklaus
Guest Editors

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. Environments is an international peer-reviewed open access monthly 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 1800 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

  • bioremediation
  • water pollution
  • wastewater treatment
  • environmental biotechnology
  • microorganisms

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Published Papers (1 paper)

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Research

32 pages, 3918 KB  
Article
Evaluation of Graphene Nanoplatelets and Graphene Oxide Quantum Dots Added to a Polymeric Fiber Matrix Used as Biofilm Support in Anaerobic Systems
by Alexa Mariana Salgado-Arreguín, Juan Manuel Méndez-Contreras, Carlos Velasco-Santos, Norma Alejandra Vallejo-Cantú, Erik Samuel Rosas-Mendoza, Albino Martínez-Sibaja and Alejandro Alvarado-Lassman
Environments 2025, 12(10), 392; https://doi.org/10.3390/environments12100392 - 20 Oct 2025
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Abstract
This study aimed to evaluate the incorporation of graphene-based additives, graphene nanoplatelets (GNPs) and graphene oxide quantum dots (GOQDs), into polymeric fiber matrices used as biofilm supports in anaerobic digestion systems, determining additive specific effects by benchmarking the impregnated matrices against the same [...] Read more.
This study aimed to evaluate the incorporation of graphene-based additives, graphene nanoplatelets (GNPs) and graphene oxide quantum dots (GOQDs), into polymeric fiber matrices used as biofilm supports in anaerobic digestion systems, determining additive specific effects by benchmarking the impregnated matrices against the same nylon carrier without additives under identical operational conditions. Modified matrices were assessed through BMP assays using the liquid fraction of fruit and vegetable waste (LF-FVW) as substrate. Intermediate GNP and GOQD loadings (FM50 and FMDOT50) achieved the highest methane yields (317.9 ± 20.2 and 348.4 ± 20.0 mL CH4/g COD(rem)) compared with the control fiber matrix (301.0 ± 20.1 mL CH4/g COD(rem)). Scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) analyses confirmed nanomaterial retention on the matrix surface and interaction with microbial aggregates. Embedding the nanostructures within the fiber enhanced biofilm formation and methane yield while minimizing nanomaterial washout. Future work will focus on advanced physicochemical characterization (XRD, XPS, BET, and EDX mapping), leaching tests to assess long term stability, and scale up evaluation for full scale anaerobic digestion applications. Full article
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