University of Khartoum

EFFECT OF WATER ACCOMPANYING THE CRUDE OIL ON THE PERFORMANCE OF A CDU

EFFECT OF WATER ACCOMPANYING THE CRUDE OIL ON THE PERFORMANCE OF A CDU

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Title: EFFECT OF WATER ACCOMPANYING THE CRUDE OIL ON THE PERFORMANCE OF A CDU
Author: El Nadeef Ibrahim, Ismail; Ibrahim, Hassan M. Elamin
Abstract: In order to estimate the efficiency of Khartoum refinery crude distillation unit (CDU), data on monthly yields covering different seasons in the period 2000-2006 were collected. When these data were processed, there proved to be some yield variations. On investigating the cause of this variation, the crude processed in the specified periods was found to contain higher levels of water ( 22nd of April to 10th of May 2006).To confirm this result, the yields in different durations were also checked within the months of August, November, and December 2006. In further investigation and due to higher water content in some of the crudes processed in the above mentioned periods, it was found that the crude characteristics- such as viscosity and pour point- were the cause of the intermittent inability of the desalter to effectively separate water from feed. It was also found that the API and acid No. of the Nile blend crude are declining, whereas carbon residue, viscosity, and pour point are in an ascending trend. This will pose handling and processing difficulties of Nile blend crudes, specially in the refineries, if we consider the increasing fraction of water content in the crudes.
URI: http://hdl.handle.net/123456789/6687
Date: 2009-03


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