Subfractionation, characterization and photooxidation of crude oil resins

被引：59

作者：

Boukir, A

Aries, E

Guiliano, M ^{[1
]}

Asia, L

Doumenq, P

Mille, G

机构：

[1] Univ Aix Marseille, Fac Sci & Tech St Jerome, ESA CNRS 6171, Lab Chim Analyt Environm, F-13397 Marseille 20, France

[2] Fac Sci Dhar El Mehraz, Chim Organ Lab, Fes, Morocco

来源：

CHEMOSPHERE | 2001年 / 43卷 / 03期

关键词：

D O I：

10.1016/S0045-6535(00)00159-4

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Resins of five crude oils were obtained using SARA fractionation, The maltenic fraction of Blend Arabian Light, was further separated into six polar fractions. These fractions which are the constituents of the resins were analysed by FTIR spectroscopy. They appeared to be more oxidized, more aliphatic and less aromatic than asphaltenes. Photooxidation of resins showed that they are easily oxidizable and much more influenced by photooxidation than asphaltenes. The principal effect of photooxidation are: (i) increase of carbonyl group amounts and particularly formation of carboxylic groups, (ii) oxidation of sulfoxide in sulfone group. (iii) oxidation of alkyl chains and of aromatic rings (quinone structures). (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：279 / 286

页数：8

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