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Enhancement Effect of Free Radical Initiator on Hydro-Thermal Cracking of Heavy Oil and Model Compound

注意:本论文已在《Energy & Fuels 》13 (5), pp.1107.发表
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Jie Chang, Li Fan, and Kaoru Fujimoto
Department of Applied Chemistry, School of Engineering, The University of Tokyo

ABSTRACT: The conversions of heavy oil and its model compound were remarkably enhanced by adding peroxide during hydro-thermal cracking. The reaction mechanism on model compound, n-dodecylbenzene, suggested that the hydrogen in hydrocarbon was easily abstracted by free radical formed from decomposition of peroxide and the chain reactions were readily initiated. Therefore, the conversion was obviously increased even at lower temperature.

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作者点评:

   从反应机理上可以将石油炼制工艺分为两大类:加氢和脱碳。加氢工艺包括加氢处理和加氢裂化等。脱碳工艺包括催化裂化、热裂化和焦化等。但其目的都是提高产品的H/C比,脱除硫、氮、氧和金属等杂原子。针对国际上对中间馏分油需求量不断增大的趋势,我们创造性的提出了以多产中间馏分油为目标的加氢热裂化新方法。
    本文采用模型化合物十二烷基苯(1-phenyldodecane)和二苯基丙烷对加氢裂化、热裂化和加氢热裂化反应进行比较,采用色谱-质谱联用对反应产物进行了表征。2003.5.


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