波浪处理对重质高粘度原油树脂和沥青质抗氧化活性的影响

IF 1.3 4区 工程技术 Q3 CHEMISTRY, ORGANIC Petroleum Chemistry Pub Date : 2024-08-13 DOI:10.1134/S0965544124040017
Yu. V. Loskutova, N. V. Sizova, N. V. Yudina
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引用次数: 0

摘要

摘要 研究了低频声处理以及恒定和交变电磁场对原油和树脂-沥青质成分反应性的影响。无论采用哪种波处理方式,由于复杂结构单元的聚集体被破坏,分子复合物中的各种结构的碳氢化合物被释放到液相中,因此从处理过的石油中分离出来的沥青质和树脂的数量都会减少。在处理过程中,顺磁沥青质和二磁性树脂中会形成额外的反应点,导致弱氢键断裂。由于在物理场中形成了新的反应结构,原油以及分离出来的树脂和沥青质馏分的反应性都发生了显著变化。这些结构不仅在大小和结构上存在差异,而且在抗氧化特性上也存在差异。根据所获得的数据,可以更详细地评估各种波浪处理对重质高粘度原油中沥青质和树脂的组成和结构所产生的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Effect of Wave Treatment on the Antioxidant Activity of Resins and Asphaltenes of Heavy High-Viscosity Crude Oil

The effect of low-frequency acoustic treatment and of constant and alternating electromagnetic fields on the reactivity of crude oil and resin–asphaltene components was studied. Irrespective of the kind of the wave treatment, the amount of asphaltenes and resins separated from the treated oil decreases owing the breakdown of aggregates of complex structural units with the release of hydrocarbons of various structures, occluded in the molecular complexes, into the liquid phase. The treatment involves cleavage of weak hydrogen bonds with the formation of additional reaction sites in paramagnetic asphaltenes and diamagnetic resins. The reactivity of both crude oil and the separated resin and asphaltene fractions significantly changes owing to the formation of new reactive structures in the physical fields. These structures differ not only in the size and structure but also in the antioxidant properties. The data obtained allow more detailed evaluation of the effect exerted by various kinds of wave treatment on the composition and structure of asphaltenes and resins of heavy high-viscosity crude.

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来源期刊
Petroleum Chemistry
Petroleum Chemistry 工程技术-工程:化工
CiteScore
2.50
自引率
21.40%
发文量
102
审稿时长
6-12 weeks
期刊介绍: Petroleum Chemistry (Neftekhimiya), founded in 1961, offers original papers on and reviews of theoretical and experimental studies concerned with current problems of petroleum chemistry and processing such as chemical composition of crude oils and natural gas liquids; petroleum refining (cracking, hydrocracking, and catalytic reforming); catalysts for petrochemical processes (hydrogenation, isomerization, oxidation, hydroformylation, etc.); activation and catalytic transformation of hydrocarbons and other components of petroleum, natural gas, and other complex organic mixtures; new petrochemicals including lubricants and additives; environmental problems; and information on scientific meetings relevant to these areas. Petroleum Chemistry publishes articles on these topics from members of the scientific community of the former Soviet Union.
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