Fractionation of Residuals by Gel Permeation Chromatography
作者:
E.W. Albaugh,
P.C. Talarico,
B.E. Davis,
R.A. Wirkkala,
期刊:
Separation Science
(Taylor Available online 1970)
卷期:
Volume 5,
issue 6
页码: 801-810
ISSN:0037-2366
年代: 1970
DOI:10.1080/00372367008055541
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Gel permeation chromatography has been effectively used for the fraction-ation of residuals. The preparative-scale gel permeation chromatograph employed for these studies is described along with selected operating parameters. The instrument has been used to fractionate a shale oil residue, 50% reduced crude, and 25% reduced crude, into fairly narrow molecular weight fractions. The individual cuts from each residual have been analyzed and the elemental distribution established. The trends of heteroatom distribution, i.e., nitrogen, sulfur, nickel, and vanadium, as a function of molecular weight for the various residuals are discussed.
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