Thermal Degradation Kinetic Parameters of Heavy Petroleum Fractions Using Thermogravimetry

机译：热重法分析重质石油馏分的热降解动力学参数

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Thermogravimetry (TG) has been a powerful technique to study the thermal behaviour ofrnheavy petroleum fractions. In this work, kinetic parameters on thermal degradation of thesernpetroleum fractions are presented. Samples of residues from atmospheric and vacuum distillationrnof Brazilian oil were selected for this study. The thermal degradation was investigated by meansrnof dynamic thermogravimetry in inert atmosphere at 2.5, 5.0, 10.0 and 20.0℃ min~(-1). A one-steplossrnwas observed during dynamic TG in N_2. The apparent activation energy was calculated byrnOzawa-Flynn-Wall method.

机译：热重法（TG）是研究重质石油馏分的热行为的有力技术。在这项工作中，提出了关于石油馏分热降解的动力学参数。本研究选择了常压和真空蒸馏巴西石油中的残留物样品。在2.5、5.0、10.0和20.0℃min〜（-1）的惰性气氛下，通过动态热重法研究了其热降解。在N_2动态TG过程中观察到了一步的损失。表观活化能通过rnOzawa-Flynn-Wall方法计算。

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《Proceedings of the 31st annual conference of the North American Thermal Analysis Society(NATAS)》|2003年|p.1-6|共6页
会议地点 Albuquerque NM(US);Albuquerque NM(US);Albuquerque NM(US)
作者
Maria Luisa A Gon?alves; Ana Maria Rangel Teixeira; Deusa Angélica Pinto da Mota; Marco Antonio Gomes Teixeira;
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Universidade Federal Fluminense- Instituto de Química-Departamento de Química Analítica, Outeiro de S?o Jo?o Batista s, Centro, Niterói, RJ, Brasil Cep 24020-150 maleixo@infolink.com.br;

Universidade Federal Fluminense- Instituto de Química-Departamento de Química Analítica, Outeiro de S?o Jo?o Batista s, Centro, Niterói, RJ, Brasil Cep 24020-150;

Universidade Federal Fluminense- Instituto de Química-Departamento de Química Analítica, Outeiro de S?o Jo?o Batista s, Centro, Niterói, RJ, Brasil Cep 24020-150;

Universidade Federal Fluminense- Instituto de Química-Departamento de Química Analítica, Outeiro de S?o Jo?o Batista s, Centro, Niterói, RJ, Brasil Cep 24020-150;

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正文语种 eng
中图分类热学;
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Thermal Degradation Kinetic Parameters of Heavy Petroleum Fractions Using Thermogravimetry

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