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Applied Sciences
Special Issues
Microbial Electrochemical Technologies for Production of Renewable Energy and Organics
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Microbial Electrochemical Technologies for Production of Renewable Energy and Organics

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: closed (31 August 2020) | Viewed by 2198

Special Issue Editor

Prof. Dr. Sokhee Philemon Jung

E-Mail Website
Guest Editor
Department of Environment and Energy Engineering, Chonnam National University, Gwangju 61186, Korea
Interests: microbial electrochemical technology; microbial fuel cells; microbial electrolysis cells; environmental biotechnology; bioenergy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The overall aim of this Special Issue of Applied Sciences is to present recent developments in microbial electrochemical technologies for renewable energy and organic production.

We invite authors to submit manuscripts on subjects related to microbial electrochemical technologies aimed at bioenergy production (hydrogen, electricity, methane, and so on) and electro-synthetic organic production, including but not limited to the following areas:

  • Microbial electrolysis cells for hydrogen production;
  • Microbial fuel cells for electricity production;
  • Microbial electrolysis cells for methane production;
  • Microbial electro-synthesis cells for organic production.

Manuscripts on process improvement, electrochemistry, microbiology, material engineering, and operational strategies of the above systems are welcomed.

Prof. Sokhee Philemon Jung
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. Applied Sciences 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

  • microbial electrolysis cells
  • microbial fuel cells
  • microbial electro-synthesis cells
  • renewable energy production
  • organic production
  • process improvement
  • electrochemistry
  • microbiology
  • material
  • operation strategy

Published Papers (1 paper)

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Research

13 pages, 2462 KiB  
Article
Performance of a Trickling-Bed Biocathode Microbial Electrochemical System Treating Domestic Wastewater and Functional Microbial Community Characteristics
by Haiman Wang, Zhuang Miao, Lei Chao, Yafeng Li and Guiqiang Wang
Appl. Sci. 2020, 10(9), 2989; https://doi.org/10.3390/app10092989 - 25 Apr 2020
Cited by 2 | Viewed by 1789
Abstract
Biocathode microbial electrochemical systems (MESs) that remove nitrogen compounds out of wastewater are of special interest for practice. High energy-input for aeration is one of the barriers that hinder their application on a wider scope. A trickling-bed biocathode MES (TB-MES) was developed by [...] Read more.
Biocathode microbial electrochemical systems (MESs) that remove nitrogen compounds out of wastewater are of special interest for practice. High energy-input for aeration is one of the barriers that hinder their application on a wider scope. A trickling-bed biocathode MES (TB-MES) was developed by integrating biotrickling filters with a biocathode MES. By recirculating the catholyte and sprinkling it through a spray nozzle, the system was able to achieve a reoxygenation process, which could facilitate the creation of an aerobic and anoxic environment. At an optimal recirculation rate of 200 mL min−1, the TB-MES removed 87.2 ± 2.7% of ammonium nitrogen and 79.7 ± 2.5% of total nitrogen (TN), and simultaneously achieved a maximum power density of 3.8 ± 0.3 Wm−3. Comparable performances were achieved when treating domestic wastewater, which were 84.6 ± 2.4%, 70.1 ± 4.2%, and 3.2 ± 0.2 W m−3 for ammonium nitrogen removal, TN removal, and maximum power density. Pyrosequencing analysis revealed Nitrosomonas was more abundant in the upper portion of the carbon fiber brush biocathode (CFBup, 20.4%) and Azoarcus was more abundant in the lower portion (CFBbottom, 12.6%), which was probably caused by the difference in dissolved oxygen concentration in different parts of the biocathode. The TB-MES shows great promise for domestic wastewater treatment by employing biotrickling filters for oxygen supply in biocathode MES. Full article
(This article belongs to the Special Issue Microbial Electrochemical Technologies for Production of Renewable Energy and Organics)
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