Journal of Renewable and New Energy

Investigating the reaction route in the pyrolysis process of some of municipal wastes

Document Type : Original Article

Authors

Ayla Ahmadi 1
Mortaza Gholizadeh 2
Mehrab Fallahi-Samberan 1
Leila Amirkhani 1

1 Department of Chemical Engineering, Ahar Branch, Islamic Azad University, Ahar, Iran

2 Faculty of Chemical and Petroleum Engineering, University of Tabriz, Tabriz, Iran

https://doi.org/10.22034/jrenew.2024.196247
Abstract
Nowadays, urban waste is accumulated in nature in large quantities and causes pollution of the environment, air and underground water resources. Various methods have been considered for waste disposal, which can be mentioned as burying and burning as the main methods of waste management, both of which cause a lot of pollution to the environment. Recently, the pyrolysis process is proposed as a new method to convert municipal waste into liquid and gaseous fuel in research. But different wastes take different paths during this process, which leads to the production of fuels with different compositions. For this purpose, in order to produce fuel with certain characteristics, the reaction mechanism that depends on the type of feed should be determined. In this research, the path of pyrolysis reaction of low density polyethylene, cardboard, tire and poplar wood was chosen as the waste that represents a major part of urban waste. Their pyrolysis was done separately and together. The results showed that the type of feed determines the amount and composition of the resulting liquid fuel. Also, in the pyrolysis of mixed waste, a different reaction path was observed compared to the reaction path of individual feed pyrolysis, which indicated the existence of secondary reactions between the components of individual feed pyrolysis products.

Keywords

Pyrolysis
Municipal waste
Fuel
Reaction pathway
Environment

Subjects

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  • Receive Date 15 January 2024
  • Revise Date 03 April 2024
  • Accept Date 29 April 2024

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