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Fermentation
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The Future of Fermentation Technology in the Biorefining Process: 2nd...
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The Future of Fermentation Technology in the Biorefining Process: 2nd Edition

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

Deadline for manuscript submissions: 30 September 2024 | Viewed by 2033

Special Issue Editor

Dr. Bartłomiej Zieniuk

E-Mail Website
Guest Editor
Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences, Warsaw, Poland
Interests: lipase-catalyzed ester synthesis; lipophilization; enzymatic (trans)esterification; whole-cell modification of phenolic compounds; microbiology; yarrowia lipolytica; lipases biosynthesis; antimicrobial and antioxidant activities of phenolic compounds; microbial enzymes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The transition from a fossil-based economy to a circular bioeconomy requires the development of a high industrial symbiotic readiness level, continuous scientific innovations, and radical changes in the infrastructure of current industries. Biorefineries can play a crucial role in establishing this new type of economy, increasing the efficiencies of raw materials with the circular use of biomass and promoting the production of biochemicals and high-added-value compounds from industrial by-products and waste streams.

The aim of this Special Issue is to showcase the latest advancements in fermentation technology and bioprocessing for upgrading key industrial sectors into modern biorefineries, raising the awareness of all stakeholders on opportunities for utilizing waste and by-product streams from major industrial activities for the production of platform chemicals and biopolymers. Special attention will be given to the following research topics: (i) fermentation as the core bioprocess in biorefinery development; (ii) alternative raw materials as potential feedstocks for industrial biotechnology applications; (iii) innovative pretreatment (fractionation of raw materials) and advanced downstream processing (product separation and recovery) technologies coupled with efficient and innovative fermentation processes; (iv) pilot-scale, demo-scale, and commercial-scale case studies on biorefineries using fermentation as the main process; and (v) sustainability assessment tools to measure the socio-economic and environmental performance of these innovative facilities.

Dr. Bartłomiej Zieniuk
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

  • bioprocessing
  • biorefinery
  • alternative raw materials
  • utilization of industrial side streams
  • sustainability assessment

Published Papers (2 papers)

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Research

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20 pages, 3098 KiB  
Article
Photoautotrophic Production of Docosahexaenoic Acid- and Eicosapentaenoic Acid-Enriched Biomass by Co-Culturing Golden-Brown and Green Microalgae
by Anna-Lena Thurn, Josef Schobel and Dirk Weuster-Botz
Fermentation 2024, 10(4), 220; https://doi.org/10.3390/fermentation10040220 - 18 Apr 2024
Viewed by 450
Abstract
Marine microalgae offer a sustainable alternative source for the human diet’s essential omega-3-fatty acids, including docosahexaenoic acid (DHA, C22:6) and eicosapentaenoic acid (EPA, C20:5). However, none of them can produce DHA and EPA in a nutritionally balanced ratio of 1:1. As shown recently, [...] Read more.
Marine microalgae offer a sustainable alternative source for the human diet’s essential omega-3-fatty acids, including docosahexaenoic acid (DHA, C22:6) and eicosapentaenoic acid (EPA, C20:5). However, none of them can produce DHA and EPA in a nutritionally balanced ratio of 1:1. As shown recently, the phototrophic co-cultivation of the golden-brown microalgae Tisochrysis lutea (DHA producer) with the green microalgae Microchloropsis salina (EPA producer) can provide microalgae biomass with a balanced DHA-to-EPA ratio with increased productivity compared to monocultures. This study evaluates whether other golden-brown (Isochrysis galbana) and green microalgae (Nannochloropsis oceanica, Microchloropsis gaditana) can enable the phototrophic batch production of omega-3 fatty acids in a nutritionally balanced ratio in co-culture. All co-cultivations applying a physically dynamic climate simulation of a repeated sunny summer day in Australia in LED-illuminated flat-plate gas lift photobioreactors resulted in increased biomass concentrations compared to their respective monocultures, achieving balanced DHA-to-EPA ratios of almost 1:1. Using urea instead of nitrate as a nitrogen source increased the EPA content by up to 80% in all co-cultures. Light spectra measurements on the light-adverted side of the photobioreactor showed that increased biomass concentrations in co-cultures could have been related to enhanced light use due to the utilization of different wavelengths of the two microalgae strains, especially with the use of green light (500–580 nm) primarily by golden-brown microalgae (I. galbana) and orange light (600–620 nm) predominantly used by green microalgae (N. oceanica). Phototrophic co-cultivation processes thus promise higher areal biomass yields if microalgae are combined with complimentary light-harvesting features. Full article
(This article belongs to the Special Issue The Future of Fermentation Technology in the Biorefining Process: 2nd Edition)
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Review

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32 pages, 1731 KiB  
Review
Algal-Based Hollow Fiber Membrane Bioreactors for Efficient Wastewater Treatment: A Comprehensive Review
by Muhammad Uzair Javed, Hamid Mukhtar, Bartłomiej Zieniuk and Umer Rashid
Fermentation 2024, 10(3), 131; https://doi.org/10.3390/fermentation10030131 - 26 Feb 2024
Viewed by 1284
Abstract
The treatment of living organisms is a critical aspect of various environmental and industrial applications, ranging from wastewater treatment to aquaculture. In recent years, algal-based hollow fiber membrane bioreactors (AHFMBRs) have emerged as a promising technology for the sustainable and efficient treatment of [...] Read more.
The treatment of living organisms is a critical aspect of various environmental and industrial applications, ranging from wastewater treatment to aquaculture. In recent years, algal-based hollow fiber membrane bioreactors (AHFMBRs) have emerged as a promising technology for the sustainable and efficient treatment of living organisms. This review provides a comprehensive examination of AHFMBRs, exploring their integration with algae and hollow fiber membrane systems for diverse applications. It also examines the applications of AHFMBRs in various areas, such as nutrient removal, wastewater treatment, bioremediation, and removal of pharmaceuticals and personal care products. The paper discusses the advantages and challenges associated with AHFMBRs, highlights their performance assessment and optimization strategies, and investigates their environmental impacts and sustainability considerations. The study emphasizes the potential of AHFMBRs in achieving enhanced nutrient removal, bioremediation, and pharmaceutical removal while also addressing important considerations such as energy consumption, resource efficiency, and ecological implications. Additionally, it identifies key challenges and offers insights into future research directions. Through a systematic analysis of relevant studies, this review aims to contribute to the understanding and advancement of algal-based hollow fiber membrane bioreactors as a viable solution for the treatment of living organisms. Full article
(This article belongs to the Special Issue The Future of Fermentation Technology in the Biorefining Process: 2nd Edition)
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