The Kinetics of Oxidation of Humic Coals in Dimethyl Sulfoxide

L. I. Opeida

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The Kinetics of Oxidation of Humic Coals in Dimethyl Sulfoxide

机译：腐殖煤在二甲基亚砜中的氧化动力学

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The alkali-catalyzed oxidation of humic coals of different metamorphic ranks with molecular oxygen at 75℃ was studied. As a result of analysis of the rate curves, an equation was derived to describe the oxygen uptake as a function of time. It was found that the initial reaction rate depends on the class and grade of coal. It was shown that the amount of carboxyl groups in oxidized sample increased by a factor of 9. On the basis of the experimental data and the summarized results of investigation of organic substances of various structures in highly basic media, it was concluded that low-rank coals could be oxidized at quite a high rate due to the presence of highly acidic C-H groups in them, yielding humic acids as the main oxidation products.

机译：研究了75℃分子氧对不同变质等级腐殖煤的碱催化氧化作用。作为速率曲线分析的结果，导出了一个方程来描述氧气吸收随时间的变化。发现初始反应速率取决于煤的种类和等级。结果表明，氧化样品中的羧基数量增加了9倍。根据实验数据和高碱性介质中各种结构有机物研究的总结结果，可以得出结论：低等级由于煤中存在高酸性CH基团，因此它们可以以很高的速率被氧化，从而产生腐殖酸作为主要的氧化产物。

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《Solid Fuel Chemistry》 |2010年第2期|103-108|共6页
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L. I. Opeida;
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Litvinenko Institute of Physical Organic Chemistry and Coal Chemistry, National Academy of Sciences of Ukraine,Donetsk, Ukraine;

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The Kinetics of Oxidation of Humic Coals in Dimethyl Sulfoxide

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