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Energies
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Biofuel Production and Bio-Waste Management
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Biofuel Production and Bio-Waste Management

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A4: Bio-Energy".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 760

Special Issue Editors

Dr. Daegi Kim

E-Mail Website
Guest Editor
Department of Environmental and Technology Engineering, College of Engineering, Daegu University, Gyeongbuk 38453, Republic of Korea
Interests: waste to energy technology; biofuel from biomass; hydrothermal treatment; carbonization; liquefaction; pretreatment for biological treatment; application of biochar
Dr. Jongkeun Lee

E-Mail Website
Guest Editor
Department of Environmental and Energy Engineering, School of Smart and Green Engineering, College of Engineering, Changwon National University, Gyeongnam 51140, Republic of Korea
Interests: anaerobic digestion/fermentation; biogas (CH4/H2) production, upgrading, and utilization; biochemical process for waste management; waste to energy

Special Issue Information

Dear Colleagues,

Global trends in waste management, such as achieving the Net Zero goal by 2050 and RE100, are aimed at reducing waste generation and converting waste into energy. Recently, countries have been leveraging underutilized biomass resources and securing critical resources for the carbon-neutral era. This Special Issue shares the latest transformations within the waste management sector, which are in line with Net Zero, as well as emerging research trends in waste-to-energy conversion worldwide. In particular, we will identify trends in energy conversion research related to untapped biomass resources in different countries, with a view toward fostering technological and academic advancements.

This Special Issue will provide a perspective on technology advancements for waste-to-energy conversion and waste management practices within different countries, including:

  • Waste-to-Energy technology;
  • Biomass-to-Energy technology;
  • Energy-harvesting technologies;
  • Thermochemical conversion;
  • Biological technology;
  • Biochar production and conversion technologies;
  • The application of biochar;
  • Efficient energy conversion systems;
  • Energy conversion and environmental management.

Dr. Daegi Kim
Dr. Jongkeun Lee
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

  • waste management
  • waste to energy
  • net zero
  • biomass conversion
  • carbon-neutral era

Published Papers (1 paper)

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Research

19 pages, 1117 KiB  
Article
Economic and Energy Efficiency Analysis of the Biogas Plant Digestate Management Methods
by Mateusz Nowak, Wiktor Bojarski and Wojciech Czekała
Energies 2024, 17(12), 3021; https://doi.org/10.3390/en17123021 - 19 Jun 2024
Viewed by 461
Abstract
The aim of this study was to conduct a comprehensive economic and energy efficiency analysis of selected digestate management methods, considering their implications on operational costs and resource management. To achieve this aim, the study focuses on a comparative assessment of different digestate [...] Read more.
The aim of this study was to conduct a comprehensive economic and energy efficiency analysis of selected digestate management methods, considering their implications on operational costs and resource management. To achieve this aim, the study focuses on a comparative assessment of different digestate management methods, including land application, mechanical separation, the composting process and pellet production. The economic analysis involves the evaluation of the initial investment, operational expenses, and potential revenue streams associated with each method. The most economical and popular solution of digestate management is direct use as fertilizer, with total costs of 1.98 EUR·Mg−1. All of the other methods involve higher digestate management costs, respectively; for separation it is 2.42 EUR·Mg−1, for composting it is 2.81 EUR·Mg−1. The process that is the most energy-intensive, but profitable, is the production of pellets from digestate, resulting in profits of 334,926 EUR·year−1. It should be noted that the other analyzed methods of digestate management also bring many environmental benefits, affecting sustainability and reducing emissions. The results of this research will contribute unique data on the feasibility of managing the digestate and its fractions. The calculations of economic and energy values for different strategies will allow for the optimization of the overall performance of the biogas plant, thus promoting a circular economy. Full article
(This article belongs to the Special Issue Biofuel Production and Bio-Waste Management)
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