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Optimize vacuum ejector operations

05.01.2013  |  Temur, T. ,  Turkish Petroleum Refineries Corp. (Tüpraş), Kocaeli, TurkeyHaktanir, M. ,  Turkish Petroleum Refineries Corp. (Tüpraş), Kocaeli, TurkeyUzman, F. ,  Turkish Petroleum Refineries Corp. (Tüpraş), Kocaeli, TurkeyKarakaya, M. ,  Turkish Petroleum Refineries Corp. (Tüpraş), Kocaeli, TurkeyAvci, A. K. ,  Boğaziçi University, Istanbul, Turkey

Keywords: [vacuum] [vacuum ejector] [steam] [valves]

Vacuum distillation unit (VDU) designs generally involve jet ejectors due to their low capital and operating expenses, high reliability, durability and simplicity. Once the ejector is installed and commissioned, it may never require any maintenance as long as it is operated within its design limits. The major drawbacks associated with using ejectors are the dramatic performance losses with deviations from operating condition limits and low thermal efficiency.1

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