Advanced Effluents Bioprocessing for Nutrients and Energy Recovery

A special issue of Bioengineering (ISSN 2306-5354). This special issue belongs to the section "Biochemical Engineering".

Deadline for manuscript submissions: closed (31 May 2024) | Viewed by 1429

Special Issue Editors


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Guest Editor
Laboratory of Technologies of Environmental Protection and Utilization of Food By-Products, Department of Food Science and Technology, International Hellenic University, Thessaloniki, Greece
Interests: water and wastewater management; environmental engineering; environmental monitoring; circular bio/economy; utilization of food by-products; microalgal biorefinery; nutrients recovery
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Laboratory of Technologies of Environmental Protection and Utilization of Food By-Products, Department of Food Science and Technology, International Hellenic University, GR-57400 Thessaloniki, Greece
Interests: wastewater treatment; membrane bioreactors; membrane fouling mitigation; membrane processes; activated sludge process; soluble microbial products; extracellular polymeric substances
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The efficient bioprocessing of wastewater effluents is crucial for sustainable development, as it allows the recovery of valuable resources such as nutrients and energy.

This Special Issue aims to gather cutting-edge research on innovative technologies, strategies, and approaches for wastewater management, going beyond efficient resource recovery. We invite researchers, practitioners, and experts from multidisciplinary backgrounds to contribute their work to this Special Issue, fostering knowledge exchange and advancing the development of sustainable effluent management practices.

The topics of interest include, but are not limited to:

  1. Advanced biochemical processes for nutrient removal and recovery from effluents;
  2. Biotechnological approaches for energy recovery from wastewater or treatment products such as waste sludge;
  3. Resource-oriented sanitation systems and circular economy concepts;
  4. The utilization of by-products and residuals from effluent treatment for energy or nutrient recovery;
  5. Modeling, metabolic pathways, optimization, and control strategies for efficient and sustainable effluent management;
  6. Innovative approaches to minimize and manage effluent generation;
  7. Integrated bioprocess and biosystems for the simultaneous treatment of water, energy, and nutrients;
  8. Life cycle assessment and environmental impact evaluation of effluent management approaches;
  9. Case studies and success stories on the implementation of advanced effluent bioprocessing practices.

We encourage original research papers, reviews, and perspectives that explore the latest advancements and contribute to the understanding and dissemination of knowledge in this field. By collecting high-quality articles, this Special Issue will provide a comprehensive overview of state-of-the-art technologies and strategies for effluent management, accelerating the transition towards a sustainable and resource-efficient future.

Prof. Dr. Petros Samaras
Dr. Dimitra Banti
Guest Editors

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Keywords

  • wastewater effluents
  • nutrient recovery
  • energy recovery
  • sustainable management
  • resource efficiency
  • circular economy
  • advanced biotechnological treatment processes
  • sanitation systems
  • bioprocess and biosystem wastewater engineering
  • by-products utilization
  • biological pathways modeling and optimization

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Published Papers (1 paper)

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Research

21 pages, 1454 KiB  
Article
Amino Acid and Carotenoid Profiles of Chlorella vulgaris During Two-Stage Cultivation at Different Salinities
by Ana S. Pinto, Carolina Maia, Sara A. Sousa, Tânia Tavares and José C. M. Pires
Bioengineering 2025, 12(3), 284; https://doi.org/10.3390/bioengineering12030284 - 13 Mar 2025
Viewed by 747
Abstract
Microalgae are valuable sources of bioactive compounds. However, their production requires strategies to enhance metabolic responses. This study explores how Chlorella vulgaris responds to different salinity conditions using a two-stage cultivation strategy, assessing the change in amino acid and carotenoid content on microalgae [...] Read more.
Microalgae are valuable sources of bioactive compounds. However, their production requires strategies to enhance metabolic responses. This study explores how Chlorella vulgaris responds to different salinity conditions using a two-stage cultivation strategy, assessing the change in amino acid and carotenoid content on microalgae over time. First, microalgae were cultivated under optimal conditions, followed by exposure to different salinity levels (150 mM and 300 mM NaCl). Growth kinetics, nutrient uptake, and biochemical composition were analysed, revealing distinct salinity-induced responses. Similar specific growth rates were achieved across all assays, while nitrate removal improved under salinity and phosphate uptake decreased. Amino acid profiling showed significant declines in the content of several compounds and carotenoid content also presented declining trends, although moderate salinity mitigated degradation in key pigments. Principal component analysis identified high correlations between amino acids and carotenoids contents, forming groups of compounds with similar variations. These findings contribute to a better understanding of the salinity-induced response of C. vulgaris, offering insights for biotechnology applications. By optimising cultivation conditions, salinity could enhance bioactive compound retention, supporting the development of sustainable microalgae-based products. Full article
(This article belongs to the Special Issue Advanced Effluents Bioprocessing for Nutrients and Energy Recovery)
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