Pyrolytic Process for Recycling

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Sustainable Processes".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 1999

Special Issue Editors


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Guest Editor
Department of Heat Engineering and Environment Protection, Faculty of Metals Engineering and Industrial Computer Science, AGH University of Krakow, 30-059 Krakow, Poland
Interests: thermochemical conversion (pyrolysis and gasification) of biomass and municipal solid waste in accordance with the circular economy concept (e.g., modification and application of biochar); kinetics and thermodynamic calulations; problems related to the transformation of the mineral phase of fuels and waste (high-temperature corrosion, agglomeration, slagging, and ash depostion)
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Guest Editor
Faculty of Production Engineering and Materials Technology, Czestochowa University of Technology, Armii Krajowej 19 Av., 42-200 Czestochowa, Poland
Interests: simulations of thermal conversion processes (torrefaction, pyrolysis, gasification) with chemical kinetic models; fuel, biofuels and waste combustion and co-combustion; reduction of pollutants emission; circular economy, sustainable development and production

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Guest Editor
Faculty of Energy and Fuels, AGH University of Science and Technology, 30-059 Krakow, Poland
Interests: development of methods using waste materials from the food industry that use chemical and thermochemical (e.g., pyrolysis, hydrothermal liquefaction) processes in a sustainable way to produce full-value bio-products; analytical product evaluation (FTIR, GPC, GCMS, GC, and EA)

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Guest Editor
Departement of Energy Production and Use, Faculty of Power Engineering, University Politehnica of Bucharest, Splaiul Independenţei 313, Bucharest, Romania
Interests: integrated waste management; circular economy; waste to energy; renewable energy; energy and environmental sustainability; intermediate bioenergy carriers; environmental impact assessment
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Special Issue Information

Dear Colleagues,

The Pyrolytic Process for Recycling Section of Processes is the ideal forum for the publication of research in the area of the pyrolysis process. The pyrolysis process is a thermochemical method of the conversion of various types of feedstocks, including biomass (agricultural residues, wood, and organic materials), plastics, and other waste, into valuable products such as biochar, bio-oil, and gas. In particular, the use of biochar as a pyrolytic product in environmental applications (anaerobic digestion, wastewater cleaning, fertilization, etc.) is a newly emerging area.

Research papers submitted to the Pyrolytic Process for Recycling Section of Processes are expected to demonstrate novel fundamental concepts of pyrolysis (thermal decomposition reactions and mechanisms), experimental and calculational (numerical) results of the impacts of process parameters on the yields of processes and the physical as well as chemical properties of products, catalytic pyrolysis, integration with other processes for more sustainable recycling solutions and with circular economy principles for sustainable waste management, economic and environmental aspects (environmental impact assessment and life cycle analysis), applications of pyrolytic recycling in different industries, challenges, limitations, and future perspectives of pyrolytic recycling.

Prof. Dr. Aneta Magdziarz
Prof. Dr. Monika Zajemska
Dr. Mariusz Wadrzyk
Dr. Gabriela Ionescu
Guest Editors

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Keywords

  • pyrolysis
  • waste
  • biochar
  • bio-oil
  • gas
  • catalytic pyrolysis
  • numerical modeling
  • sustainable recycling circular economy
  • life cycle analysis

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Published Papers (1 paper)

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Research

31 pages, 4913 KiB  
Article
Energy Evaluation and Mathematical Modeling of Pellet Production from Metal-Bearing Waste with a Focus on Alternative Applications of Reducing Agents
by Augustin Varga, Jan Kizek, Miroslav Rimar, Marcel Fedak, Gustáv Jablonský, Peter Oravec and Wojciech Bialik
Processes 2024, 12(9), 1938; https://doi.org/10.3390/pr12091938 - 9 Sep 2024
Viewed by 1274
Abstract
The authors of this study focused on the energy and material assessment of processes for processing pellets from metal-bearing waste, specifically Fe concentrate. A mathematical model was created for process evaluation, with which thermotechnical calculations of parameters in the processing of metallized pellets [...] Read more.
The authors of this study focused on the energy and material assessment of processes for processing pellets from metal-bearing waste, specifically Fe concentrate. A mathematical model was created for process evaluation, with which thermotechnical calculations of parameters in the processing of metallized pellets were carried out. Thermodynamic calculations were performed to determine the enthalpy of the charge in individual devices (drying chamber, rotary kiln, cooler). For the reduction of Fe oxides, carbon from coke (with Fe oxide reductions of 50%, 61%, and 92%) and lignite (with Fe oxide reductions of 69% and 92%) were considered as part of the pellets. The degree of reduction of iron oxides was a determining parameter, and the consumption of the reducing agent corresponded to the direct reduction of Fe oxides by carbon with a coefficient of 1.5. Another determining parameter was the input and output temperature in individual devices. For a more precise description of the processes in individual devices, calculations were carried out zonally. The results of the calculations are analyses and recommendations for feasible alternatives for the reducing agent and associated processes. Full article
(This article belongs to the Special Issue Pyrolytic Process for Recycling)
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