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Petroleum Science and Technology Volume 22, 2004 - Issue 9-10
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Original Articles

Investigation on the Chemical Composition and Structure of Daqing Vacuum Residue Narrow Fractions

Li Fei-Fei Department of Catalytic Chemistry, Liaoning University of Petroleum and Chemical Technology, Fushun, P.R. China
,
Yao Xiu-qing Department of Catalytic Chemistry, Liaoning University of Petroleum and Chemical Technology, Fushun, P.R. China
,
Zhang Jie Department of Catalytic Chemistry, Liaoning University of Petroleum and Chemical Technology, Fushun, P.R. China
&
Ma Bo Department of Catalytic Chemistry, Liaoning University of Petroleum and Chemical Technology, Fushun, P.R. ChinaCorrespondence[email protected]
Pages 1299-1308 | Received 17 Apr 2003, Accepted 24 Jun 2003, Published online: 03 Dec 2010
 
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Abstract

The Daqing vacuum residue (DQVR) was separated into 14 narrow fractions by Supercritical Fluid Extraction and Fractionation (SFEF). The contents of element, metal, molecular weight, density, carbon residue of the narrow fractions were measured. Structure parameters were calculated by Densimetric method. Characterization index K h , and boiling point of narrow fractions were proposed to characterize the fractions and predict their properties. On the basis of the analysis results, the knowledge of Daqing vacuum residue was extended. There will be a big potential use for the DQVR as catalytic stocks.

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