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Environmental Biotechnology Applied to Water and Wastewater Treatment Processes

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

Deadline for manuscript submissions: 20 September 2025 | Viewed by 361

Special Issue Editor

School of Materials Science and Engineering, Beihang University, Beijing 100191, China
Interests: environmental biotechnology; wastewater treatment; environmental microbiology; microbial biotechnology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Environmental biotechnology offers remarkable new tools for pollution prevention in water and wastewater treatment that have not been widely available before now. These new tools not only prevent pollution but can also significantly cut energy demand, natural resource consumption, and production costs while creating high-quality intermediates or consumer products. The accelerated uptake of new industrial biotechnology processes could lead to further pollution prevention, wastewater reduction, and energy cost savings in related services such as wastewater disposal or energy production. Consequently, the development of new environmentally friendly biotechnology that are able to quantitatively and quickly remove organic pollutants from water and wastewater has become an extremely urgent challenge. The microbiological processes use living organisms such as bacteria to degrade organic pollution and convert it into usable forms.

This Special Issue aims to collect original, high-quality articles related to water and wastewater treatment. Fundamental and applied research papers covering multidisciplinary topics, as well as review papers with new perspectives, will be considered.

  • Recent advances in water and wastewater treatment biotechnology;
  • Development of novel biotechnologies, involving anaerobic digestion, aerobic digestion, biomembrane process, activated sludge method, bioelectrochemical technologies, etc.;
  • The novel design and development of water and wastewater treatment biotechnology reactors;
  • The combination technologies of biological treatments with chemical oxidation, physical adsorption/separation, etc.

Dr. Xiaohu Li
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. 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
  • biotechnology
  • anaerobic digestion
  • aerobic digestion
  • biomembrane
  • activated sludge
  • bioelectrochemistry

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Published Papers (1 paper)

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Research

12 pages, 2972 KiB  
Article
Power Generation and Microbial Communities in Microbial Fuel Cell Powered by Tobacco Wastewater
by Yutong Liu, Cong Chen, Xing Xue, Kun Tang, Xiaoyu Chen, Miao Lai, Xiaohu Li and Zhiyong Wu
Water 2025, 17(7), 1101; https://doi.org/10.3390/w17071101 - 7 Apr 2025
Viewed by 259
Abstract
The tobacco production process generates a substantial amount of wastewater characterized by high organics and low biodegradability, which poses a significant risk of severe environmental pollution. In order to explore a clean and low-cost technology for tobacco wastewater treatment, this study constructed two-chamber [...] Read more.
The tobacco production process generates a substantial amount of wastewater characterized by high organics and low biodegradability, which poses a significant risk of severe environmental pollution. In order to explore a clean and low-cost technology for tobacco wastewater treatment, this study constructed two-chamber MFCs and investigated the performance of tobacco wastewater treatment and electricity generation capacity at room temperature. The incorporation of carbon sources (e.g., glucose, acetate, propionate, and butyrate) in wastewater could enhance the removal of COD, total nitrogen and ammonia nitrogen in wastewater. After three cycles, the maximum COD removal rate reached 75.97 ± 1.49%, while the maximum total nitrogen removal and ammonia nitrogen removal rates were 46.95 ± 1.77% and 48.31 ± 1.16%, respectively. Meanwhile, the maximum voltage output of 0.67 V was observed, and the maximum power density was 717.04 mW/m2. The microbial community analysis revealed that Trichococcus and Acinetobacter were present in high abundance in MFCs, which may play a significant role in electricity generation and wastewater treatment. These results demonstrate that MFC is applicable for tobacco wastewater treatment, providing both theoretical foundation and technical references for the large-scale practical application of MFC technology in tobacco wastewater treatment. Full article
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