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Fermentation
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10th Anniversary of Fermentation: Feature Papers in Section "Industrial...
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10th Anniversary of Fermentation: Feature Papers in Section "Industrial Fermentation"

A special issue of Fermentation (ISSN 2311-5637). This special issue belongs to the section "Industrial Fermentation".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 627

Special Issue Editor

Prof. Dr. Giulia Bozzano

E-Mail Website
Guest Editor
Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milan, Italy
Interests: anaerobic digestion; modeling; transport phenomena; kinetics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As we celebrate the 10th anniversary of Fermentation, it is with great excitement that we announce the upcoming Special Issue titled “10th Anniversary of Fermentation: Feature Papers in the ‘Industrial Fermentation' Section”. This Special Issue aims to publish high-quality original research and review articles spanning all aspects of industrial fermentation. We invite researchers from related fields to contribute and highlight the latest developments in this area. Topics of interest for this Special Issue include, but are not limited to, novel processes, equipment, products, and technologies. We eagerly anticipate your innovative and impactful contributions to this special celebration of a decade of progress in fermentation science!”

We look forward to receiving your contributions.

Prof. Dr. Giulia Bozzano
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. Fermentation 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 2100 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

  • biorefinery
  • biofuels
  • bioreactor design
  • microbial fuel cells
  • industrial fermentation
  • wastewater
  • anaerobic digestion

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

16 pages, 2335 KiB  
Article
Utilization of Cheese Whey for Energy Generation in Microbial Fuel Cells: Performance Evaluation and Metagenomic Analysis
by Rojas-Flores Segundo, Cabanillas-Chirinos Luis, Nélida Milly Otiniano, Magaly De La Cruz-Noriega and Moises Gallozzo-Cardenas
Fermentation 2025, 11(4), 176; https://doi.org/10.3390/fermentation11040176 - 26 Mar 2025
Viewed by 407
Abstract
The dairy industry generates large volumes of whey as a byproduct of cheese production, with a high organic load. Its untreated discharge contaminates water bodies, reduces dissolved oxygen, and damages aquatic ecosystems. In Peru, especially in the rural areas of the Andes, thousands [...] Read more.
The dairy industry generates large volumes of whey as a byproduct of cheese production, with a high organic load. Its untreated discharge contaminates water bodies, reduces dissolved oxygen, and damages aquatic ecosystems. In Peru, especially in the rural areas of the Andes, thousands of tons of industrial dairy waste are produced annually, representing an environmental and economic challenge. The lack of sustainable technologies for its management drives the need for innovative solutions, such as microbial fuel cells (MFCs), which combine waste treatment with renewable energy generation. This research uses MFC technology with whey as a substrate to observe its potential to generate electrical energy and treat contaminants. Three liters of whey from a dairy company in Trujillo, Peru, were used and stored at 10 °C. Each MFC contained 800 mL of whey and employed activated carbon as the anode and zinc as the cathode. A maximum voltage of 0.867 ± 0.059 V was reached, with a maximum current of 4.114 ± 0.239 mA recorded on the 11th day. The maximum power density was 1.585 ± 0.061 mW/cm2, with a current density of 4.448 A/cm2, and the internal resistance of the MFCs was 16.847 ± 0.911 Ω. The initial pH of the whey was approximately 3.0, increasing to 4.135 ± 0.264 on the 11th day, and the electrical conductivity increased from 19.101 ± 1.025 mS/cm on the first day to 170.062 ± 9.511 mS/cm on the 11th day. The oxidation-reduction potential (ORP) increased to 104.287 ± 4.058 mV at the peak of electricity generation (day 11). Additionally, a 70% reduction in chemical oxygen demand (COD) was achieved, dropping from 4650.52 ± 10.54 mg/L to 1400.64 ± 23.25 mg/L on the last day. Metagenomic analysis identified two dominant bacterial phyla: Bacteroidota at 48.47% and Proteobacteria at 29.83%. The most abundant families were Bacteroidaceae (38.58%) and Acetobacteraceae (33.39%). The study validates the potential of MFCs to transform whey into an energy resource, aligning with sustainability and circular economy goals, especially in regions with high dairy production, like Peru. Full article
(This article belongs to the Special Issue 10th Anniversary of Fermentation: Feature Papers in Section "Industrial Fermentation")
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