Determination of activation energy of pyrolysis of carton packaging wastes and its pure components using thermogravimetry

被引：36

作者：

Alvarenga, Larissa M. ^{[1
]}

Xavier, Thiago P. ^{[1
]}

Barrozo, Marcos Antonio S. ^{[2
]}

Bacelos, Marcelo S. ^{[1
]}

Lira, Taisa S. ^{[1
]}

机构：

[1] Univ Fed Espirito Santo, Dept Engn & Technol, Rod BR 101 Norte,Km 60, Sao Mateus, ES, Brazil

[2] Univ Fed Uberlandia, Sch Chem Engn, Bloco K,Santa Monica, BR-38400902 Uberlandia, MG, Brazil

来源：

WASTE MANAGEMENT | 2016年 / 53卷

关键词：

Recycling; Carton packaging; Pyrolysis; Thermogravimetric analysis; HIGH-DENSITY POLYETHYLENE; CELLULOSE PYROLYSIS; THERMAL-DEGRADATION; KINETICS;

D O I：

10.1016/j.wasman.2016.04.015

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

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. (c) 2016 Elsevier Ltd. All rights reserved.

引用

页码：68 / 75

页数：8

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