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Energies
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Innovative Technologies for Wastewater Treatment and Energy Production
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Innovative Technologies for Wastewater Treatment and Energy Production

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "B: Energy and Environment".

Deadline for manuscript submissions: closed (18 February 2025) | Viewed by 5349

Special Issue Editor

Prof. Dr. Renata Toczyłowska-Mamińska

E-Mail Website
Guest Editor
Department of Physics and Biophysics, Institute of Biology, Nowoursynowska 159 St., bldg. 34, room 76, 02-776 Warsaw, Poland
Interests: microbial fuel cells; wastewater to energy; wastewater treatment; bioplastics; biodegradation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Energy shortage have become one of the world’s major problems. Not only global energy consumption is constantly rising, but also there is an urgent need to reduce CO2 emissions and the use of fossil fuels. In this situation, the best solution is to exploit renewable energy sources, so research and development of renewable energy technologies is a priority. Simultaneously, a very important aspect is the application of innovative technologies which allow for the reduction of energy consumption. Technologies allowing for the conversion of waste into energy as anaerobic digestion or microbial fuel cells seems to be especially important. They allow not only for reducing the amount of energy needed for conventional treatment, but also generate energy during treatment process. 

This Special Issue aims to present the most recent research related to the theory, design, modelling, application, analysis of renewable energy production, and wastewater treatment technologies.

Topics of interests for manuscripts include, but are not limited to:

  • Sun energy technologies;
  • Wind energy technologies;
  • Water energy technologies;
  • Geothermal energy technologies;
  • Energy from biomass;
  • Fuel cells;
  • Microbial fuel cells;
  • Anaerobic digestion;
  • Innovative wastewater treatment technologies;
  • Waste into energy technologies.

Prof. Dr. Renata Toczyłowska-Mamińska
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. Energies 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

  • solar cells
  • windmills 
  • biomass 
  • wastewater treatment 
  • waste into energy 
  • microbial fuel cells

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Published Papers (3 papers)

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Research

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17 pages, 4106 KiB  
Article
Enhancing Azo Dye Mineralization and Bioelectricity Generation through Biocathode-Microbial Fuel Cell Integration with Aerobic Bioreactor
by Kamran Ayaz, Ewa Zabłocka-Godlewska and Chao Li
Energies 2024, 17(19), 4896; https://doi.org/10.3390/en17194896 - 29 Sep 2024
Viewed by 1311
Abstract
This study explores the efficient decolorization and complete mineralization of the diazo dye Evans blue, using an integrated aerobic bioreactor system coupled with a double-chamber microbial fuel cell (DCMFC) including a bio-cathode and acetate as a cosubstrate. The research addresses the environmental challenges [...] Read more.
This study explores the efficient decolorization and complete mineralization of the diazo dye Evans blue, using an integrated aerobic bioreactor system coupled with a double-chamber microbial fuel cell (DCMFC) including a bio-cathode and acetate as a cosubstrate. The research addresses the environmental challenges posed by dye-laden industrial effluents, focusing on achieving high decolorization efficiency and understanding the microbial communities involved. The study utilized mixed strains of actinomycetes, isolated from garden compost, to treat initial dye concentrations of 100 mg/L and 200 mg/L. Decolorization efficiency and microbial community composition were evaluated using 16S rRNA sequencing, and electrochemical impedance spectroscopy (EIS) was used to assess anode and DCMFC resistance. The results demonstrated decolorization efficiencies ranging from 90 ± 2% to 98 ± 1.9% for 100 mg/L and from 79 ± 2% to 87% ± 1% for 200 mg/L. An anode resistance of 12.48 Ω indicated a well-developed biofilm and enhanced electron transfer. The microbial community analysis revealed a significant presence of Pseudomonadota (45.5% in dye-acclimated cultures and 32% in inoculum cultures), with key genera including Actinomarinicola (13.75%), Thermochromatium (4.82%), and Geobacter (4.52%). This study highlights the potential of the integrated DCMFC–aerobic system, utilizing mixed actinomycetes strains, for the effective treatment of industrial dye effluents, offering both environmental and bioenergy benefits. Full article
(This article belongs to the Special Issue Innovative Technologies for Wastewater Treatment and Energy Production)
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Review

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31 pages, 2324 KiB  
Review
Microbial Fuel Cell Technology as a New Strategy for Sustainable Management of Soil-Based Ecosystems
by Renata Toczyłowska-Mamińska, Mariusz Ł. Mamiński and Wojciech Kwasowski
Energies 2025, 18(4), 970; https://doi.org/10.3390/en18040970 - 18 Feb 2025
Viewed by 1664
Abstract
Although soil is mainly perceived as the basic component of agricultural production, it also plays a pivotal role in environmental protection and climate change mitigation. Soil ecosystems are the largest terrestrial carbon source and greenhouse gas emitters, and their degradation as a result [...] Read more.
Although soil is mainly perceived as the basic component of agricultural production, it also plays a pivotal role in environmental protection and climate change mitigation. Soil ecosystems are the largest terrestrial carbon source and greenhouse gas emitters, and their degradation as a result of aggressive human activity exacerbates the problem of climate change. Application of microbial fuel cell (MFC) technology to soil-based ecosystems such as sediments, wetlands, farmland, or meadows allows for sustainable management of these environments with energy and environmental benefits. Soil ecosystem-based MFCs enable zero-energy, environmentally friendly soil bioremediation (with efficiencies reaching even 99%), direct clean energy production from various soil-based ecosystems (with power production reaching 334 W/m2), and monitoring of soil quality or wastewater treatment in wetlands (with efficiencies of up to 99%). They are also a new strategy for greenhouse gas, soil salinity, and metal accumulation mitigation. This article reviews the current state of the art in the field of application of MFC technology to various soil-based ecosystems, including soil MFCs, sediment MFCs, plant MFCs, and CW-MFCs (constructed wetlands coupled with MFCs). Full article
(This article belongs to the Special Issue Innovative Technologies for Wastewater Treatment and Energy Production)
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11 pages, 882 KiB  
Review
Application of Microbial Fuel Cell Technology in Potato Processing Industry
by Renata Toczyłowska-Mamińska and Mariusz Ł. Mamiński
Energies 2023, 16(18), 6581; https://doi.org/10.3390/en16186581 - 13 Sep 2023
Cited by 1 | Viewed by 1723
Abstract
The potato processing industry is among the biggest water-consuming industries, using an average of 17 L of water per 1 kg of processed product. Taking into account that the potato is the fourth-most-important non-cereal food crop with a global production of 376 million [...] Read more.
The potato processing industry is among the biggest water-consuming industries, using an average of 17 L of water per 1 kg of processed product. Taking into account that the potato is the fourth-most-important non-cereal food crop with a global production of 376 million tons a year, this branch is a large wastewater producer. Potato-processing wastewater is highly loaded and thus difficult to treat through conventional methods, especially when a low energetic input for environmental benignancy is required. In this review, it was shown that microbial fuel cells (MFCs) are an excellent technology for sustainable potato wastewater treatment. MFCs allow for potato wastewater COD removal with efficiencies as high as 99%, which is accompanied by electricity production that may reach 3.7 W/m2. Thus, the recently published research reviewed in this paper indicates that simultaneous power production and removal of chemical oxygen demand make MFCs superior to conventional treatment methods. Encouraging results and the unique advantages of MFC technology, like significant water and energy use reduction, give a promising perspective on potato-processing wastewater treatments. Full article
(This article belongs to the Special Issue Innovative Technologies for Wastewater Treatment and Energy Production)
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