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Energy from Waste: Towards Sustainable Development and Clean Future

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

Deadline for manuscript submissions: 4 March 2025 | Viewed by 768

Special Issue Editors

Institute of Environmental Engineering, Faculty of Infrastructure and Environment, Czestochowa University of Technology, 42-201 Czestochowa, Poland
Interests: bioremediation; biotechnology; environmental contaminants; organic waste management; soil organic carbon sequestration
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Guest Editor
Department of Biochemistry, Biotechnology and Ecotoxicology, Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 42-217 Czestochowa, Poland
Interests: soil carbon sequestration; soil remediation; mining; CO2 emissions; soils; environmental biotechnology; soil amendments
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the face of dynamically developing technology and changing climatic conditions, the world faces the challenge of transitioning to a circular economy that is based on sustainable resource management. The transformation of organic waste into valuable energy and material resources is of particular importance. Our daily activities must be consistent with a sustainable development strategy, where recovery and reuse are key elements.

The circular economy focuses on the optimal use of natural resources and the recycling and reuse of all materials derived from these resources. This knowledge comes from observations of natural biological processes. Adaptation to environmental and climatic conditions is a challenge for all societies.

In this era of modern energy, bioenergy and biorefinery technologies, advanced sewage treatment methods, modern plant cultivation, and animal breeding, it is necessary to develop environmentally friendly technologies that imitate natural biological cycles. Biodegradable waste from various human activities, such as municipal, industrial, food processing, and agriculture, must be treated as valuable sources of energy and matter.

This Special Issue aims to popularize and develop knowledge in the field of the circular economy, Waste-to-Energy (WtE) technologies, transitions in low-carbon technologies, and deepening our scientific and multidisciplinary knowledge. We want to focus on the most sustainable organic waste management strategies that mimic biological cycles and consider all their components and streams. A description of the state of the art in terms of legislation, characterization, ecotoxicology, waste management, and current methods used in various countries will allow us to present a holistic approach to organic waste management in accordance with the concept of a circular economy.

We invite you to submit original research articles, review articles, case studies, and analytical articles from various disciplines related to sustainable waste management systems and renewable energy sources that meet the requirements of closed loops in energy and matter cycles.

Dr. Anna Grobelak
Dr. Aneta Kowalska
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 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. 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 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

  • circular economy
  • sustainable resource management
  • organic waste transformation
  • Waste-to-Energy (WtE)
  • biodegradable waste
  • bioenergy technologies
  • biorefinery processes
  • low-carbon technologies
  • renewable energy sources
  • advanced sewage treatment
  • recycling and reuse
  • natural biological cycles
  • waste management strategies
  • environmental adaptation
  • sustainable development
  • energy and matter recovery
  • legislation and policy in waste management

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Published Papers (1 paper)

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Research

15 pages, 2308 KiB  
Article
Energy Recovery from Municipal Sewage Sludge: Combustion Kinetics in a Varied Oxygen–Carbon Dioxide Atmosphere
by Jurand Bień and Beata Bień
Energies 2024, 17(21), 5382; https://doi.org/10.3390/en17215382 - 29 Oct 2024
Viewed by 415
Abstract
Energy from municipal sewage sludge can be obtained by applying a thermal conversion method. In this study, the combustion kinetics of municipal sewage sludge were analyzed in an O2/CO2 atmosphere. Studies were conducted in different gaseous atmospheres consisting of varying [...] Read more.
Energy from municipal sewage sludge can be obtained by applying a thermal conversion method. In this study, the combustion kinetics of municipal sewage sludge were analyzed in an O2/CO2 atmosphere. Studies were conducted in different gaseous atmospheres consisting of varying proportions of oxygen and carbon dioxide. The participation of oxygen was as follows: 20, 40, 60, 80 and 100% vol. The experimental temperatures varied from 873 to 1273 K. The experimentally obtained results helped establish the basic kinetic parameters, such as the reaction order n, factor Ko and activation energy Ea of sludge grains. The values of the activation energy Ea and Ko were, respectively, 46 kJ/mol and 0.0127 mg/m2sPa. They show that the limiting factor of combustion is the diffusion of oxygen and that combustion reactions take place in the outer layer of the unreacted core. Therefore, sludge is promising for energy recovery because it has quite a high net calorific value (NCV) and a high gross calorific value (GCV). The GCV was 14.1 MJ/kg and the NCV was 12.8 MJ/kg. The experimental studies with a wide range of process parameters helped to create an array of apparent reaction rates as a function of the temperature and oxygen concentration, showing the significant effect of oxygen on the apparent reaction rate, in contrast to the effect of temperature. Full article
(This article belongs to the Special Issue Energy from Waste: Towards Sustainable Development and Clean Future)
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