Overview

The crude unit preheat exchanger train is a critical refinery asset that ensures adequate feed temperature to the distillation furnace while reducing furnace load. Over time, the heat transfer efficiency of these exchangers declines due to fouling on exchanger surfaces. The impact of this fouling is traditionally mitigated through offline cleaning or increased furnace firing—which reduces throughput, raises fuel costs, or increases CO₂ emissions. However, by utilizing on-site monitoring of crude quality, asphaltene stability, and heat-exchanger performance, the root causes and severity of fouling mechanisms can be evaluated and addressed. 

This case study about a North American refinery highlights a proactive fouling control strategy leveraging on-site monitoring of crude quality, asphaltene stability, and exchanger performance. 
 

Speakers: John Briggs Becton, Senior Account Manager, Nalco Water
Detlef Gharst, Business Team Lead, Phillips 66
David Crochet, Lead Chemist, Nalco Water 


Moderator: Jacob Young, General Manager - North America, Petroval

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