Kinetic study of thermal and catalytic pyrolysis of Brazilian heavy crude oil over mesoporous Al-MCM-41 materials
作者： Ana C. F. Coriolano , Aline A. A. Oliveira , Rafaely A. F. Bandeira , Valter J. Fernandes , Antonio S. Araujo
DOI: 10.1007/S10973-015-4408-4
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摘要: This study aimed to evaluate the activity of Al-MCM-41, as mesoporous heterogeneous catalyst, for thermal and catalytic degradation a Brazilian heavy crude oil (14°API), via thermogravimetry. The American Petroleum Institute gravity (°API) is measure how light petroleum when compared water. API value an inverse relative density liquid, it used compare densities samples. was investigated function different concentration Al-MCM-41 (1, 3, 5, 10 20 mass%) added oil, well apparent activation energy process. TG runs were carried out at temperature range 30–900 °C, heating rates °C min−1, under nitrogen atmosphere. From TG/DTG tests, material presented effective higher than 5 mass%. property clearly evidenced by values. By application Ozawa–Flynn–Wall kinetic model, observed that amount catalyst increased, decreased from 103 kJ mol−1 (without catalyst) 70 (with mass% catalyst).
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