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Advancing Circular Practices and Resource Recovery in Waste Management Systems

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Waste and Recycling".

Deadline for manuscript submissions: 30 September 2026 | Viewed by 845

Special Issue Editors


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Guest Editor
Carbon Neutrality Promotion Division, Institute of Environmental Science and Technology, The University of Kitakyushu, Fukuoka, Japan
Interests: sustainable waste management; life cycle assessment (LCA); material flow analysis (MFA); theory of eco-industrial parks (EIP); urban environmental management of developing countries
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Systems Engineering, Faculty of Systems Engineering, Wakayama University, 930 Sakaedani, Wakayama, Japan
Interests: waste management; geoinformatics analysis; life cycle assessment (LCA); machine learning; optimization; greenhouse gas (GHG) emission modelling and mapping

Special Issue Information

Dear Colleagues,

This Special Issue aims to provide a comprehensive overview of cutting-edge examples and analyses of the advanced practices in the technologies and social systems that support resource recovery and the implementation of circular economies. This Special Issue will cover all types of waste and all aspects of waste management, including treatment, final disposal and recycling. It hopes to disseminate high-quality research and stimulate interdisciplinary discussions—original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

Technologies

  1. Innovative technologies and strategies on waste generation, collection, separation, and supply and demand matching, using model simulation, ICT (information and communication technologies), and AI (artificial intelligence).
  2. Advanced image identification, machine and deep learning, and blockchain techniques used in waste management systems.

Systems analysis

  1. Resource and product management and innovative business models using model simulation, ICT, and AI.
  2. Designs and practices for optimal management systems (from economic and environmental viewpoints) and zero-waste systems.
  3. Environmental and health risks assessment related to waste management.

Policy

  1. Policy frameworks supporting the management of the transition to the circular economy in the waste management system
  2. Recent developments in waste reduction, recycling, and resource recovery methods.
  3. Policy and regulatory measures towards sustainable waste management.

Social aspects

  1. Identification and analysis of consumers’ role in promoting circular economy in waste management systems.
  2. Challenges and opportunities of the transition to the circular economy in developing countries, especially in the Global South.

We would like to offer Sustainability’s readers stimulating research, providing the latest advancements and prospects in advancing resource recovery and circular practices. Case studies presenting sufficient, reliable, and accurate investigations in a particular region are welcome for this Special Issue. We look forward to receiving your contributions.

Prof. Dr. Toru Matsumoto
Dr. Richao Cong
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 250 words) can be sent to the Editorial Office for assessment.

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. Sustainability 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 2400 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 transition management
  • assessment methodologies and simulation
  • innovative recycling technologies
  • resource recovery
  • sustainable waste management
  • ICT and AI applications
  • utilization of information platforms
  • consumers’ awareness and behaviour

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Published Papers (1 paper)

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Research

16 pages, 1483 KB  
Article
The Development of a Statistical Model to Predict the Recovery of Cobalt, Nickel, and Manganese from Spent Lithium-Ion Batteries via Reverse Flotation
by Sebastián Pérez Cortés, Felipe Reyes Reyes, José Tomás Briones, Juan Pablo Vargas, Juan Jarufe Troncoso and Eduardo Contreras Moreno
Sustainability 2026, 18(7), 3613; https://doi.org/10.3390/su18073613 - 7 Apr 2026
Viewed by 383
Abstract
The growing production of lithium-ion batteries is leading to an increase in waste, which contains elements considered critical in industry, like cobalt, manganese and nickel. Urban mining offers an opportunity to recover these elements and reintroduce them into the value chain. This study [...] Read more.
The growing production of lithium-ion batteries is leading to an increase in waste, which contains elements considered critical in industry, like cobalt, manganese and nickel. Urban mining offers an opportunity to recover these elements and reintroduce them into the value chain. This study aimed to detect and recover metals of interest present in discarded lithium-ion batteries and determine the influence of flotation operating parameters on the recovery of the detected elements through an experimental design. The batteries subjected to the flotation experiments were obtained from various types of common disused mobile devices. They were dismantled by separating the copper sheets from the anode and the aluminum sheets from the cathode, to be subjected to a comminution process and elemental composition analysis using X-ray fluorescence. Only the cathode components were subjected to flotation. The flotation process was carried out by controlling the level of agitation and aeration and the flotation time using an automated flotation cell. The experiments were configured in a 23 experimental design. Average recoveries of approximately 67% for cobalt, 64% for manganese, and 63% for nickel were achieved at a pH of 12.5 and a pulp density of 3.33 g/L using MIBC as the sole reagent. Statistical analysis at a 95% confidence level identified agitation, aeration, and flotation time both individually and in combination as significant factors. Linear models were developed to predict metal recovery, showing good agreement with experimental data (errors < 10%; standard deviation < 3%). Full article
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