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Special Issue "Advanced Biotechnology for Biofuel Production and Wastewater Recovery"

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "Bio-Energy".

Deadline for manuscript submissions: closed (29 July 2021).

Special Issue Editors

Dr. Luisa Gouveia
E-Mail Website
Guest Editor
Bioenergy Unit, LNEG - National Laboratory of Energy and Geology, I.P., 1649-038 Lisbon, Portugal
Interests: microalgae; wastewater treatment; biofuels; biofertilizers; biostimulants; biopesticides; bioplastics; bioactive compounds; food; feed from microalgae
Special Issues and Collections in MDPI journals
Dr. Luísa Barreira
E-Mail Website
Guest Editor
CCMAR, University of Algarve, Faro, Portugal
Interests: microalgae; halophytes; marine natural products; bioactive compounds; biofuels; feed; wastewater treatment with microalgae

Special Issue Information

Dear Colleagues,

The way we look at wastewater is changing. While it used to be considered a waste product that needs to be treated before discharge with high costs to municipalities and industries, wastewater is now viewed as a resource. Wastewaters can be rich in organic matter, nitrogen, phosphorus, metals, etc., having several different applications from cultivation media for microorganisms, production of bioplastics, cellulose recovery, biofertilizers or biofuel production. Wastewater recovery therefore offers a more sustainable process, often including resource cycling, than conventional wastewater treatment systems based on activated sludge processes.

As we witness a continuous rise in the global energy demand with the concomitant increase in fossil-related emissions, a quicker development of sustainable processes for biofuel production is needed. Wastewater is a rich source of chemical energy that can easily be converted into biofuels, including biogas, biohydrogen, biodiesel, syngas, and nitrogenous fuels. Several technologies could be applied, such as anaerobic digestion, dark and alcoholic fermentations, pyrolysis, and hydrothermal liquefaction; for example, the production of biogas has already been successfully implemented on large-scale municipal wastewater treatment plants.

This Special Issue aims to gather contributions of high-quality scientific works related to biofuel production from wastewater using advanced biotechnological methods.

Dr. Luisa Gouveia
Dr. Luísa Barreira
Guest Editors

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 papers will be 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. Energies 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 2000 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

  • Wastewater recovery
  • Biofuels
  • Water reuse
  • Resource cycling

Published Papers (1 paper)

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Review

Review
Co-Management of Sewage Sludge and Other Organic Wastes: A Scandinavian Case Study
Energies 2021, 14(12), 3411; https://doi.org/10.3390/en14123411 - 09 Jun 2021
Viewed by 612
Abstract
Wastewater and sewage sludge contain organic matter that can be valorized through conversion into energy and/or green chemicals. Moreover, resource recovery from these wastes has become the new focus of wastewater management, to develop more sustainable processes in a circular economy approach. The [...] Read more.
Wastewater and sewage sludge contain organic matter that can be valorized through conversion into energy and/or green chemicals. Moreover, resource recovery from these wastes has become the new focus of wastewater management, to develop more sustainable processes in a circular economy approach. The aim of this review was to analyze current sewage sludge management systems in Scandinavia with respect to resource recovery, in combination with other organic wastes. As anaerobic digestion (AD) was found to be the common sludge treatment approach in Scandinavia, different available organic municipal and industrial wastes were identified and compared, to evaluate the potential for expanding the resource recovery by anaerobic co-digestion. Additionally, a full-scale case study of co-digestion, as strategy for optimization of the anaerobic digestion treatment, was presented for each country, together with advanced biorefinery approaches to wastewater treatment and resource recovery. Full article
(This article belongs to the Special Issue Advanced Biotechnology for Biofuel Production and Wastewater Recovery)
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