Rapid hydrocarbon type separation of vacuum residues

Ramaswamy, Veda ; Kothiyal, Vimal ; Singh, Indra D. ; Krishna, Rajamani (1988) Rapid hydrocarbon type separation of vacuum residues Fresenius' Journal of Analytical Chemistry, 332 (4). pp. 358-361. ISSN 0937-0633

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Official URL: http://www.springerlink.com/content/x1r4p3w12x8m07...

Related URL: http://dx.doi.org/10.1007/BF00468815


A simple and fast column chromatographic procedure for the separation of vacuum residues into saturates, mono-, di-, polyaromatics and polars has been standardized using silica-alumina-bauxite adsorbents and gradient elution with n-pentane, benzene, and methanol. The cut points have been monitored employing ultraviolet and infrared spectroscopy. The method is applicable for preparative separation of short residues from processed products.

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