Platformer debutanizer revamp lowers rvp at Middle East refinery

Rakan S. Bilaus Saudi Aramco Dhahran Sajeesh Padmanabhan UOP Dubai Efforts during 2010-11 at Saudi Aramco's Yanbu refinery to rectify high reformate Reid vapor pressure (rvp) have increased the refinery's revenue. The high reformate rvp was imposing blending constraints, resulting in reduced i-C5 and isomerate blending and research octane number (RON) giveaway. Saudi Aramco concluded with a debutanizer revamp implemented in early 2011. As a result, the reformate rvp dropped to 3.8 psia from 4.5. During summer 2011, however, several performance issues appeared. Optimization and overcoming cooling limitations resulted in performance improvements and a further drop in rvp to 3.7 psia fro...

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