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Energies
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Mechanical Industrial Plants for Solid Waste Treatment
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Mechanical Industrial Plants for Solid Waste Treatment

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

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 6034

Special Issue Editors

Prof. Dr. Salvatore Digiesi

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Guest Editor
Department of Mechanics, Mathematics and Management, Polytechnic University of Bari, Via Orabona 4, 70125 Bari, Italy
Interests: human performance modeling; ergonomics; waste management; mechanical industrial plants; sustainable logistics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Francesco Facchini

E-Mail Website
Guest Editor
Department of Mechanics, Mathematics and Management, Politecnico di Bari, 70126 Bari, Italy
Interests: warehouse management systems; logistics; waste management; artificial neural networks; ergonomics; cognitive ergonomics; Industry 4.0
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Solid waste treatment industrial plants play a key role in the integrated management of a solid fraction of both urban and industrial wastes. The increasing trend in the production of solid wastes and policy regulations aiming to improve environmental, economic, and social sustainability of solid waste management require treatment plants with higher capacity and to implement more efficient treatment processes in order to reduce the final amount of landfilled wastes. Moreover, a significant change in the management of the valorization of some categories of solid wastes due to industrial and anthropological activities could reduce their amount and result in new industrial symbiosis forms and sustainable circular economy processes. The adoption of enabling technologies of Industry 4.0 could offer the opportunity to achieve these goals at reasonable costs and efforts.

The Special Issue aims to collect recent innovative research works in the field, from basic to applied research, as well as pilot industrial applications/demo. The outcome will constitute a valuable set of references for those investing time and effort in this research field.

Prof. Dr. Salvatore Digiesi
Prof. Dr. Francesco Facchini
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

  • Mechanical industrial plants
  • Waste treatment processes
  • Industry 4.0
  • Industrial symbiosis
  • Circular economy
  • Waste to energy
  • Anaerobic digestion
  • Agrifood wastes
  • Industrial wastes
  • Municipal solid wastes
  • Waste logistics.

Published Papers (2 papers)

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Research

9 pages, 239 KiB  
Article
The Municipal Solid Waste Management System with Anaerobic Digestion
by Przemysław Seruga
Energies 2021, 14(8), 2067; https://doi.org/10.3390/en14082067 - 8 Apr 2021
Cited by 17 | Viewed by 3045
Abstract
This study investigated the applied methods for the collection and treatment of an organic fraction of municipal solid waste with anaerobic digestion (AD), including the effects of selective waste collection system introduction. As the research area, data from a waste treatment plant, which [...] Read more.
This study investigated the applied methods for the collection and treatment of an organic fraction of municipal solid waste with anaerobic digestion (AD), including the effects of selective waste collection system introduction. As the research area, data from a waste treatment plant, which collects waste from about 260,000 inhabitants, was used as the selected waste management plan. Biowaste stream management was emphasized. Thus, research on energy recovery and the characteristics of digestate (nutrient and heavy metals content) obtained from biowaste AD was performed. The results of the studies and their quantitative data were interpreted. A significant discrepancy between the assumptions and the actual situation was revealed (up to 20% year-on-year regarding biowaste). An underestimation of the amount of waste when planning was noted. AD ensures energy recovery from biowaste, which can cover facility electricity needs and material recovery. The digestate might find agricultural usage and become an ecological product. The content of nitrogen (1.5%dry matter), phosphorus (0.55%dry matter), potassium (1.0%dry matter), and organic carbon (16.0%dry matter) indicate a positive impact on crops. Furthermore, it can improve the economic balance, by replacing costs with sales revenues. Full article
(This article belongs to the Special Issue Mechanical Industrial Plants for Solid Waste Treatment)
21 pages, 1072 KiB  
Article
Scenario Analysis for Selecting Sewage Sludge-to-Energy/Matter Recovery Processes
by Francesco Facchini, Giovanni Mummolo and Micaela Vitti
Energies 2021, 14(2), 276; https://doi.org/10.3390/en14020276 - 6 Jan 2021
Cited by 20 | Viewed by 1936
Abstract
The sewage sludges are the byproducts of the wastewater treatment. The new perspective of the wastewater value chain points to a sustainable circular economy approach, where the residual solid material produced by sewage sludge treatments is a resource rather than a waste. A [...] Read more.
The sewage sludges are the byproducts of the wastewater treatment. The new perspective of the wastewater value chain points to a sustainable circular economy approach, where the residual solid material produced by sewage sludge treatments is a resource rather than a waste. A sewage sludge treatment system consists of five main phases; each of them can be performed by different alternative processes. Each process is characterized by its capability to recover energy and/or matter. In this paper, a state of the art of the sludge-to-energy and sludge-to-matter treatments is provided. Then, a scenario analysis is developed to identify suitable sewage sludge treatments plants that best fit the quality and flowrate of sewage sludge to be processed while meeting technological and economic constraints. Based on the scientific literature findings and experts’ opinions, the authors identify a set of reference initial scenarios and the corresponding best treatments’ selection for configuring sewage sludge treatment plants. The scenario analysis reveals a useful reference technical framework when circular economy goals are pursued. The results achieved in all scenarios ensure the potential recovery of matter and/or energy from sewage sludges processes. Full article
(This article belongs to the Special Issue Mechanical Industrial Plants for Solid Waste Treatment)
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