首页|Effects of acid treatments on Moroccan Tarfaya oil shale and pyrolysis of oil shale and their kerogen

Effects of acid treatments on Moroccan Tarfaya oil shale and pyrolysis of oil shale and their kerogen

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In this study, the kerogen of oil shale from Moroccan Tarfaya deposits was isolated and the changes in the initial organic matter during the removal of the mineral matrix were examined. Chloroform extraction of the oil shale increases the intensity of the peaks in the X-ray diffractograms. Infrared spectra and X-ray diffractograms reveal the presence of mineral, calcite, quartz, kaolinite, and pyrite in the mineral matrix of the oil shale. Hydrochloric and hydrofluoric acids dissolution do not alter the organic matter. The nonisothermal weight loss measurements indicate that thermal decomposition of the isolated kerogen can be described by first-order reaction. A single kinetic expression is valid over the temperature range of kerogen pyrolysis between 433K and 873K. Furthermore, the results indicate that the removal of mineral matter causes a decrease in the activation energies of the pyrolysis reactions of oil shale.

oil shaledemineralizationisolated kerogenpyrolysis

ABOULKAS A、El HARFI K

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Laboratoire de Recherche sur la Réactivités des Matériaux et l'Optimisation des Procédés 《REMATOP》,Département de chimie, Faculté des Sciences Semlalia, Université Cadi Ayyad, BP 2390, 40001 Marrakech, Maroc

Laboratoire Interdisciplinaire de Recherche en Sciences et Techniques, Faculté polydisciplinaire de Béni-Mellal, Université Sultan Moulay Slimane, BP 592, 23000 Béni-Mellal, Maroc

2009

燃料化学学报(中英文)
中国化学会 中国科学院山西煤炭化学研究所

燃料化学学报(中英文)

CSTPCDCSCD北大核心EI
影响因子：1.278
ISSN：2097-213X
年,卷(期)：2009.37(6)
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