(48b) Full-Scale Plant Column Efficiency - Measurement and Management
AIChE Spring Meeting and Global Congress on Process Safety
2011
2011 Spring Meeting & 7th Global Congress on Process Safety
The Dr. James Fair Heritage Distillation Symposium
Trays Hydraulic Regimes, Entrainment and Efficiency: Building on Dr. Fair’s Foundations
Tuesday, March 15, 2011 - 8:35am to 9:05am
Examples of measurement of full scale plant efficiency (from process data, modelling and benchmarking) are offered from three different petrochemical areas. For each, an efficiency deficit was identified and linked back to a shortcoming in tray design and/or operation. In all cases this lack of efficiency is hidden from the operation teams who have often lived for years with these deficits unknowingly. This paper offers methods to tease out efficiency numbers, offers potential explanations for each and looks at the impact on the broader cost of production.
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