title: Determination of activation energy of pyrolysis of carton packaging wastes and its pure components using thermogravimetry.
abstract: Many processes have been used for recycling of carton packaging wastes. The pyrolysis highlights as a promising technology to be used for recovering the aluminum from polyethylene and generating products with high heating value. In this paper, a study on pyrolysis reactions of carton packaging wastes and its pure components was performed in order to estimate the kinetic parameters of these reactions. For this, dynamic thermogravimetric analyses were carried out and two different kinds of kinetic models were used: the isoconversional and Independent Parallel Reactions. Isoconversional models allowed to calculate the overall activation energy of the pyrolysis reaction, in according to their conversions. The IPR model, in turn, allowed the calculation of kinetic parameters of each one of the carton packaging and paperboard subcomponents. The carton packaging pyrolysis follows three separated stages of devolatilization. The first step is moisture loss. The second stage is perfectly correlated to devolatilization of cardboard. The third step is correlated to devolatilization of polyethylene.
authors.affiliation: Federal University of Espírito Santo, Department of Engineering and Technologies, Rod. BR 101 Norte, km 60, 29932-540 São Mateus, ES, Brazil.
authors.forename: Larissa M
authors.initials: LM
authors.lastname: Alvarenga
authors.affiliation: Federal University of Espírito Santo, Department of Engineering and Technologies, Rod. BR 101 Norte, km 60, 29932-540 São Mateus, ES, Brazil. Electronic address: thiago.p.xavier@ufes.br.
authors.forename: Thiago P
authors.initials: TP
authors.lastname: Xavier
authors.affiliation: Federal University of Uberlândia, School of Chemical Engineering, Bloco K - Santa Mônica, 38400-902 Uberlândia, MG, Brazil. Electronic address: masbarrozo@ufu.br.
authors.forename: Marcos Antonio S
authors.initials: MA
authors.lastname: Barrozo
authors.affiliation: Federal University of Espírito Santo, Department of Engineering and Technologies, Rod. BR 101 Norte, km 60, 29932-540 São Mateus, ES, Brazil. Electronic address: marcelo.bacelos@ufes.br.
authors.forename: Marcelo S
authors.initials: MS
authors.lastname: Bacelos
authors.affiliation: Federal University of Espírito Santo, Department of Engineering and Technologies, Rod. BR 101 Norte, km 60, 29932-540 São Mateus, ES, Brazil. Electronic address: taisa.lira@ufes.br.
authors.forename: Taisa S
authors.initials: TS
authors.lastname: Lira
mesh_terms: D018857:Food Packaging; D017745:Incineration / Q000379:methods*; D013818:Thermogravimetry; D014866:Waste Products
chemical_list: D014866:Waste Products
keywords: Carton packaging; Pyrolysis; Recycling; Thermogravimetric analysis