Effect of Dicumyl Peroxide on Changes in the Molecular Structure of Asphaltenes in the Course of Cracking of High-Sulfur Tars

Goncharov A. V.; Krivtsov E. B.; Yurlov S. S.

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Effect of Dicumyl Peroxide on Changes in the Molecular Structure of Asphaltenes in the Course of Cracking of High-Sulfur Tars

机译：Effect of Dicumyl Peroxide on Changes in the Molecular Structure of Asphaltenes in the Course of Cracking of High-Sulfur Tars

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摘要

The results of a study of asphaltenes isolated from liquid cracking products (at a temperature of 500 degrees C) of high-sulfur tars with an additive of dicumyl peroxide are presented. Characteristic changes in the composition of cracking products depending on the amount of the additive were found. Changes in the structural-group parameters of tar asphaltenes in the course of cracking were determined using H-1 NMR-spectroscopic data, elemental composition, and molecular weight measurements. Asphaltene molecules became more condensed, and they were characterized by an increased concentration of aromatic fragments and a decrease in the number of naphthenic units and the length of aliphatic structures.

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《Solid fuel chemistry》 |2022年第2期|138-144|共7页
作者
Goncharov A. V.; Krivtsov E. B.; Yurlov S. S.;
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作者单位

Russian Acad Sci;

Natl Res Tomsk State Univ;

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原文格式 PDF
正文语种英语
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关键词
cracking; tar; asphaltenes; structural-group parameters; sulfur compounds; thiophene;

Effect of Dicumyl Peroxide on Changes in the Molecular Structure of Asphaltenes in the Course of Cracking of High-Sulfur Tars

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