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Waste to Energy: An Approach Towards Sustainability

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

Deadline for manuscript submissions: 31 March 2026 | Viewed by 466

Special Issue Editors


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Guest Editor
National Research Council of Canada, Ottawa, ON, Canada
Interests: low-carbon fuels; plastic waste; thermochemical conversion technologies; waste to energy

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Guest Editor
Energy, Mining and Environment Research Center, National Research Council of Canada, M-12 Montreal Road, Ottawa, ON K1A 0R6, Canada
Interests: thermo-chemical conversion of waste to energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

MDPI’s journal Sustainability calls for manuscripts for a Special Issue entitled “Waste to Energy: An Approach Towards Sustainability”. This Special Issue seeks contributions that explore innovative methods and technologies for converting waste materials into energy with a focus on advancing sustainable practices that reduce environmental impact, promote efficient resource utilization, and support the transition to a circular economy.

Submissions may cover topics such as technological advancements in waste conversion, policy and regulatory frameworks, economic viability, and case studies demonstrating successful implementation. The goal is to gather diverse perspectives and cutting-edge research that highlight the potential of waste-to-energy solutions to achieve sustainability goals. Researchers, industry experts, and policymakers are encouraged to contribute their insights and findings to this important field.

Dr. Emmanuel Galiwango
Dr. James Butler
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

  • waste to energy
  • sustainability
  • environmental impact
  • circular economy
  • resource recovery
  • technological innovation
  • renewable energy
  • energy conversion
  • waste management
  • biomass energy
  • green technology
  • sustainable development
  • energy efficiency

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Published Papers (1 paper)

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Research

14 pages, 962 KB  
Article
Fe2O3 Catalyst-Assisted Pyrolysis of Waste Cross-Linked Polyethylene on a Large Scale: Recycling of Difficult-to-Process Material
by Pavel Straka and Olga Bičáková
Sustainability 2026, 18(1), 339; https://doi.org/10.3390/su18010339 - 29 Dec 2025
Viewed by 187
Abstract
Cross-linked polyethylene (PEX) is very stable, both chemically and mechanically. This makes its waste difficult to process. A very promising approach is slow pyrolysis catalyzed by hematite (α-Fe2O3). Such pyrolysis was carried out on a large scale (feedstock of [...] Read more.
Cross-linked polyethylene (PEX) is very stable, both chemically and mechanically. This makes its waste difficult to process. A very promising approach is slow pyrolysis catalyzed by hematite (α-Fe2O3). Such pyrolysis was carried out on a large scale (feedstock of 38 kg, catalyst amount of 2 wt.%, heating rate of 4 K min−1, end temperature of 435 °C, delay at the end temperature several hours) and provided an oil containing both liquid (up to C17) and solid hydrocarbons (>C17). Thus, the oil obtained can be a source of valuable chemicals, solvents, and paraffin, and/or used as a clean liquid fuel and/or as a source of lubricants. Pyrolysis of PEX also yielded energy gas (12 wt.%) and solid carbonaceous residue (15 wt.%) for further use. The process mass balance and parameters (temperature, heating rate, dwell time, catalyst amount), composition, and chemical (elemental analysis, XRF, GC-MS, GC, distillation curve) and physical (viscosity, density, higher and lower heating value) properties of the oil, gas, and solid carbonaceous residue obtained are presented and discussed. The main product of the proposed technology is oil with a yield of almost 73 wt.%. The by-products are energy gas (12 wt.%) and solid carbonaceous residue (15 wt.%). The results obtained showed that the proposed technology successfully recycles difficult-to-process PEX with a process efficiency of 70%. Full article
(This article belongs to the Special Issue Waste to Energy: An Approach Towards Sustainability)
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