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Special Issue: Valorization of waste streams by thermo-chemical processes

Guest Editors

Prof. Giorgio Vilardi

Department of Chemical Engineering Materials Environment, "Sapienza" University of Rome, Italy

Email: giorgio.vilardi@uniroma1.it


Dr. Antonio Trinca

Department of Chemical Engineering Materials Environment, "Sapienza" University of Rome, Italy

Email: antonio.trinca@uniroma1.it


Dr. Daniele Patrizi

Department of Chemical Engineering Materials Environment, "Sapienza" University of Rome, Italy

Email: daniele.patrizi@uniroma1.it


Dr. Leonardo Colelli

Department of Chemical Engineering Materials Environment, "Sapienza" University of Rome, Italy

Email: colelli.1787378@studenti.uniroma1.it


Dr. Valentina Segneri

Department of Chemical Engineering Materials Environment, "Sapienza" University of Rome, Italy

Email: valentina.segneri@uniroma1.it

Manuscript Topics


Utilizing renewable energy sources is one of the primary routes for sustainable power generation or chemical manufacture, due to the growing concern regarding climate change and greenhouse gas emissions.


In order to reduce the carbon footprint of human activity, the valorization and disposal of municipal and industrial wastes as well as residual biomasses will result to be a major issue for the next generations, and the thermal conversion of waste in thermochemical processes is a relevant approach to solve this problem.


One way to reduce waste volume while recovering energy is by thermal treatment of solid waste. New and more environmentally friendly energy sources are urgently needed in an era of climate change and political pressure. Since the reuse of solid wastes is one of the pillars of the Circular Economy, the development of sustainable industrial and environmental processes through the recycling of material is seen as a crucial task for several researchers and organizations. The current aim is to develop sustainable processes to allow the complete re-utilization of various municipal, industrial and agricultural wastes.


A smart method for disposing of waste that also gives new life to carbon source is the use of waste or residual material as the starting point for chemical manufacturing. By recovering energy and/or matter and delivering products with a high added value during the final treatment of wastes, thermochemical treatments are perceived as new technologies that can help reduce the volume of waste.


Although these technologies are available commercially, research investigations are still being conducted to optimize and explore their full potential. New pyrolysis and gasification technologies, in particular, have surfaced in recent years with the goal of expanding the potential feedstocks that increase energy recovery and minimize environmental concerns.


There are currently a number of theoretical studies on these types of processes that can be found in the scientific literature. These studies are primarily concerned with the creation of thermodynamic models or the simulation of processes using computational fluid dynamics (CFD), sometimes with experimental model validation conducted in pilot units.


This special issue aims to encourage the research process and offer convincing, engaging and long-term solutions to valorise waste and biomass through thermochemical processes, such as pyrolysis, gasification or liquefaction


The following topics can be considered as:

• Gasification and pyrolysis processes of waste

• Liquefaction of biomass and organic waste

• Syngas treatment and upgrading processes

• Waste to Chemical or Waste to Energy Processes

• Modeling and simulation of thermochemical processes

• Thermo-economic analysis


Keywords: gasification; pyrolysis; thermocavitation, upgrading, municipal solid waste; refuse derived fuel, syngas, biofuel


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Please submit your manuscript to online submission system

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Paper Submission

All manuscripts will be peer-reviewed before their acceptance for publication. The deadline for manuscript submission is 30 September 2023

Published Papers(0)