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Chemical Heterogeneity of Deposits Formed in the Flocculant Flow From Crude Oil, According to FTIR Microscopy and Chemical Imaging
Petroleum Chemistry ( IF 1.4 ) Pub Date : 2021-09-03 , DOI: 10.1134/s0965544121090127
A. S. Shalygin 1 , E. S. Milovanov 1 , S. S. Yakushkin 1 , O. N. Martyanov 1
Affiliation  

Abstract

Asphaltene-containing deposits formed on the CaF2 window induced by n-heptane flow in a microfluidic device have been investigated using an IR microscope and an imaging macro chamber (IMAC) with FPA detection. This is the first example of the ex situ infrared imaging of the deposits from crude oil formed under dynamic conditions of flocculant flow. It has been shown that fast aggregation of asphaltenes in n-heptane flow leads to the formation of deposit rich in heteroatom-containing functional groups: (О–Н, N–H, C=O, C–O, and S=O).



中文翻译:

根据 FTIR 显微镜和化学成像,在原油絮凝剂流中形成的沉积物的化学异质性

摘要

已经使用红外显微镜和具有 FPA 检测的成像宏观室 (IMAC) 研究了在微流体装置中由庚烷流动引起的 CaF 2窗口上形成的含沥青质沉积物。这是在絮凝剂流动的动态条件下形成的原油沉积物的非原位红外成像的第一个例子。已经表明,庚烷流中沥青质的快速聚集导致形成富含含杂原子官能团的沉积物:(О-Н, N-H, C=O, C-O, and S=O) .

更新日期:2021-09-04
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