Feature Review Papers in Section "Environmental and Green Processes"

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Environmental and Green Processes".

Deadline for manuscript submissions: 15 March 2025 | Viewed by 6272

Special Issue Editor


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Guest Editor
Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain
Interests: biological treatment of organic waste (composting and anaerobic digestion); solid-state fermentation to convert wastes into bioproducts and nanotechnology for environmental remediation
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Special Issue Information

Dear Colleagues,

In a time when several environmental concerns are held worldwide, it is mandatory to find novel approaches that allow us to reach the Sustainable Development Goals proposed by the United Nations a number of years ago. These goals are global, but they require specific technological processes to be sufficiently met. This Special Issue aims to act as a platform for presenting new advances related to environmental and green processes, in which nature-based solutions, cleaner alternatives, and low-impact solutions must be reviewed in the context of the circular economy. Transversal sustainability studies, in terms of environmental and economic impact, will also be welcome for submission.

This Special Issue is interested in a wide list of topics, including, but not limited to, the following:

  • The Biological treatment of organic waste: composting and anaerobic digestion;
  • The circular bioeconomy: bioproducts from residuals, side streams and by-products;
  • Water cleaning and regeneration, with special emphasis on novel waste-derived adsorbents,
  • Wastewater treatment and regeneration: biological advanced strategies,
  • Sources of renewable energy: biofuels, thermal treatment for waste streams, and other strategies;
  • Transversal studies: Life Cycle Assessments (LCAs) and Techno-Economical Analyses (TEAs) of green processes.

Prof. Dr. Antoni Sánchez
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. Processes 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 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

  • composting
  • anaerobic digestion
  • water and wastewater treatment
  • renewable energy
  • life cycle assessment
  • techno-economical analysis

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Published Papers (1 paper)

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21 pages, 1696 KiB  
Review
Distribution of Sulfate-Reducing Bacteria in the Environment: Cryopreservation Techniques and Their Potential Storage Application
by Ivan Kushkevych, Aneta Kovářová, Dani Dordevic, Jonah Gaine, Peter Kollar, Monika Vítězová and Simon K.-M. R. Rittmann
Processes 2021, 9(10), 1843; https://doi.org/10.3390/pr9101843 - 18 Oct 2021
Cited by 12 | Viewed by 6116
Abstract
Sulfate-reducing bacteria (SRB) are a heterogeneous group of anaerobic microorganisms that play an important role in producing hydrogen sulfide not only in the natural environment, but also in the gastrointestinal tract and oral cavity of animals and humans. The present review was written [...] Read more.
Sulfate-reducing bacteria (SRB) are a heterogeneous group of anaerobic microorganisms that play an important role in producing hydrogen sulfide not only in the natural environment, but also in the gastrointestinal tract and oral cavity of animals and humans. The present review was written with the inclusion of 110 references including the time period from 1951 to 2021. The following databases were evaluated: Web of Science, Scopus and Google Scholar. The articles chosen to be included in the review were written mainly in the English and Czech languages. The molecular mechanisms of microbial cryoprotection differ depending on the environment where microorganisms were initially isolated. It was observed that the viability of microorganisms after cryopreservation is dependent on a number of factors, primarily colony age, amount of inoculum, cell size or rate of cooling, and their molecular inventory. Therefore, this paper is devoted to assessing the performance and suitability of various cryopreservation methods of intestinal bacteria, including molecular mechanisms of their protection. In order to successfully complete the cryopreservation process, selecting the correct laboratory equipment and cryopreservation methodology is important. Our analysis revealed that SRB should be stored in glass vials to help mitigate the corrosive nature of hydrogen sulfide, which can affect their physiology on a molecular level. Furthermore, it is recommended that their storage be performed in distilled water or in a suspension with a low salt concentration. From a molecular biological and bioengineering perspective, this contribution emphasizes the need to consider the potential impact associated with SRB in the medical, construction, and environmental sectors. Full article
(This article belongs to the Special Issue Feature Review Papers in Section "Environmental and Green Processes")
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