Case Story Spiral Heat Exchanger solves costly fouling problems A major US refinery was experiencing severe fouling and plugging problems in two shell-and-tube (S&T) heat exchangers installed to cool desalter effluent using cooling water. In 2008, on Alfa Laval’s recommendation, the refin- ery replaced the two S&T s with a fouling- resistant Spiral Heat Exchanger (SHE). The result exceeded expectations. The SHE gives continuous problem

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