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Effects of the Composition and Molecular Structure of Asphaltenes on the Properties of Heavy Petroleum Feedstock Represented by Heavy Oil from the Ashalchinskoye Field and Two Vacuum Residue Samples
Petroleum Chemistry ( IF 1.4 ) Pub Date : 2021-04-27 , DOI: 10.1134/s0965544121050108
D. I. Panyukova , R. N. Magomedov , E. Yu. Savonina , T. A. Maryutina

Abstract

A combination of analytical methods (including CHNS-O elemental analysis, X-ray diffraction, 1H and 13C NMR spectroscopy, MALDI-TOF and ICP mass spectrometry) was used to determine the elemental composition and average molecular and structural parameters of asphaltenes isolated from a heavy oil sample from the Ashalchinskoye field and vacuum residue samples from two different Russian oil refineries. The study identified differences in the nano-aggregate size of asphaltenes in heavy oil and vacuum residues, and evaluated the effects of the composition and molecular structure of asphaltenes on the composition and properties of the heavy petroleum feedstock samples.



中文翻译:

沥青质的组成和分子结构对以Ashalchinskoye油田为重油和两个减压渣油样品为代表的重质石油原料性能的影响

摘要

结合分析方法(包括CHNS-O元素分析,X射线衍射,1 H和13 C NMR光谱,MALDI-TOF和ICP质谱)确定分离出的沥青质的元素组成以及平均分子和结构参数分别来自Ashalchinskoye油田的重油样品和来自俄罗斯两个不同炼油厂的减压渣油样品。该研究确定了重油和减压渣油中沥青质的纳米聚集体尺寸差异,并评估了沥青质的组成和分子结构对重质石油原料样品的组成和性能的影响。

更新日期:2021-04-28
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