الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
The project studies the design of vacuum distillation unit (VDU) to process the atmospheric residue produced from Khartoum Refinery. It is simulated on Aspen HYSYS v8 Program. The project includes material and energy balance, designing the vacuum distillation unit (VDU), estimating cost of vacuum distillation unit, corrosion protection of the vacuum distillation and improving the production of (VDU).Cost estimation with the economic summary from ASPEN hysys allows us to assess the total cost of the unit. According to this study, it is found that it is possible to increase the production of heavy vacuum gas oil (HVGO) and light vacuum gas oil (LVGO) and this is a main objective we work for it.