March 2007

Bonus Report: Heat Transfer Developments

Consider low fouling technology for 'dirty' heat transfer services

Advances in heat exchanger designs mitigate fouling problems with crude oil preheater trains while conserving energy and cutting operating costs

DeBoer, E. F., Klaren, D. G., KLAREN BV; Sullivan, D. W., Whitson Sullivan Co.

Fouling of heat transfer equipment is a significant expense for all refineries. In 2006, estimated fouling costs for the global refining industry approached US$11 billion (B). "Dirty services" include crude oil preheater trains that heat crude oil for the crude distillation unit. Fouling of this unit reduces heat input prior to the furnace. Novel advances in heat exchanger design can overcome fouling problems in this unit operation. Low-fouling heat exchangers can provide minimize fouling on crude oil preheaters. The presented case history examines opportunities to apply low fouling heat exchangers in dirty service applications. Background. Conventional crude oil preheaters consist of sh

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