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Fermentation
Special Issues
New Research and Technology in Biological Hydrogen Production
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New Research and Technology in Biological Hydrogen Production

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

Deadline for manuscript submissions: closed (15 December 2023) | Viewed by 2892

Special Issue Editor

Dr. Carlos Morales-Polo

E-Mail Website
Guest Editor
ICAI School of Engineering, Comillas Pontificial University, Alberto Aguilera 25, 28015 Madrid, Spain
Interests: food waste; Anaerobic Digestion; biogas; residue; bioresource; environmental; waste; biomass; valorization; energy recovery; waste recovery; recycling; chemical engineering; Green Engineering; methane; Biomethane; hydrogen; biohydrogen; environmental impa
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The European Union has set the ambitious goal of achieving climate neutrality by 2050, the strategy for which requires research and investment in increasingly efficient energy systems with greater ease of penetration.

Hydrogen represents a fundamental vector for this transition, as it constitutes a sustainable, clean and efficient method of energy consumption. Its transport can also connect different sectors, and it can lead to flexibility in the operation of low-carbon energy systems.

This challenge of such international importance requires the development of research and technology in the field of hydrogen, and especially in production systems, with a view to promoting its use and development. Therefore, this Special Issue welcomes original articles and reviews on hydrogen production from different fields of research in relation to biological production.

Topics:

  • Hydrogen production;
  • Hydrogen energy;
  • Hydrogen purification;
  • Hydrogen and biogas;
  • Biological fuel production systems;
  • Hydrogen from biological processes;
  • Substrate adaptability for fermentation and hydrogen production.

We look forward to receiving your contributions.

Dr. Carlos Morales-Polo
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 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

  • hydrogen
  • hydrogen energy
  • biological hydrogen
  • fermentation
  • waste
  • anaerobic
  • biogas

Published Papers (2 papers)

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Research

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20 pages, 3409 KiB  
Article
pH and Heat Pretreatments with Zero-Valent Iron Addition to Enhance Biogas Production from Cassava Pulp Wastewater: Optimization and Comparison of Mathematical Models
by Nittaya Boontian, Usa Yingchon and Mohamad Padri
Fermentation 2023, 9(7), 622; https://doi.org/10.3390/fermentation9070622 - 30 Jun 2023
Cited by 1 | Viewed by 1090
Abstract
Pretreatments of pH and heat with zero-valent iron (ZVI) additions enhance anaerobic digestion and increase reducing sugar availability for optimum biogas production. This study aimed to optimize the conditions of different pH and heat pretreatment with additional ZVI to yield higher biogas amounts [...] Read more.
Pretreatments of pH and heat with zero-valent iron (ZVI) additions enhance anaerobic digestion and increase reducing sugar availability for optimum biogas production. This study aimed to optimize the conditions of different pH and heat pretreatment with additional ZVI to yield higher biogas amounts from the anaerobic digestion (AD) of cassava wastewater. Thirteen pH conditions, ten ZVI concentrations, and eleven heating periods were varied and measured to optimize the standard conditions. Four mathematical models that are widely used to evaluate the cumulative biogas production were employed, namely, the Modified Gompertz, Logistic, Transference, and Exponential models. The pretreatment of pH 10 and 35 min of boiling time with a ZVI concentration of 60 g·kg·TVS−1 produced the highest cumulative biogas at the end of the AD process. The Logistic and Modified Gompertz models were better fitted with the experimental data than the other models. Interestingly, the optimized conditions altered the biogas production rate but prolonged the lag phase. A reasonably positive correlation was also found between the FeOOH amount and biogas production rate in the LF and MG models. These optimal fitted models, kinetics parameters, and possible correlations are novel findings that can help develop extensive scale developments for biogas generation from cassava wastewater. Full article
(This article belongs to the Special Issue New Research and Technology in Biological Hydrogen Production)
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Review

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27 pages, 2206 KiB  
Review
Syngas Fermentation: Cleaning of Syngas as a Critical Stage in Fermentation Performance
by Marcos Ellacuriaga, María Victoria Gil and Xiomar Gómez
Fermentation 2023, 9(10), 898; https://doi.org/10.3390/fermentation9100898 - 09 Oct 2023
Viewed by 1385
Abstract
The fermentation of syngas is an attractive technology that can be integrated with gasification of lignocellulosic biomass. The coupling of these two technologies allows for treating a great variety of raw materials. Lignin usually hinders microbial fermentations; thus, the thermal decomposition of the [...] Read more.
The fermentation of syngas is an attractive technology that can be integrated with gasification of lignocellulosic biomass. The coupling of these two technologies allows for treating a great variety of raw materials. Lignin usually hinders microbial fermentations; thus, the thermal decomposition of the whole material into small molecules allows for the production of fuels and other types of molecules using syngas as substrate, a process performed at mild conditions. Syngas contains mainly hydrogen, carbon monoxide, and carbon dioxide in varying proportions. These gases have a low volumetric energy density, resulting in a more interesting conversion into higher energy density molecules. Syngas can be transformed by microorganisms, thus avoiding the use of expensive catalysts, which may be subject to poisoning. However, the fermentation is not free of suffering from inhibitory problems. The presence of trace components in syngas may cause a decrease in fermentation yields or cause a complete cessation of bacteria growth. The presence of tar and hydrogen cyanide are just examples of this fermentation’s challenges. Syngas cleaning impairs significant restrictions in technology deployment. The technology may seem promising, but it is still far from large-scale application due to several aspects that still need to find a practical solution. Full article
(This article belongs to the Special Issue New Research and Technology in Biological Hydrogen Production)
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