I was told that Plate and frame heat exchangers are preferred for crude oil cooling service. Can anyone share the opinion on this?
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Plate and frame heat exchangers are preferred for crude oil cooling service. If your crude has Wax then depending on the wax appearance temperature a proper flow direction should be selected.
As per NORSOK-P-100, generally cooler should be co-current to avoid/reduce waxing. But if the wax appearance temperature is less than the cold medium (generally sea water or sea water cooled medium) inlet temperature, a counter-current heat exchanger is recommended.
Let me know if it anwsers your question.