December 2010

Bonus Report: Heat Transfer Developments

Optimize heat exchanger installations

This case study proves that a systematic approach for thermal design can identify substantial savings in projects

Mandal, M., Fluor Daniel India Pvt. Ltd.

The optimal thermal design and selection of heat exchangers can be very challenging; it involves many variables. The thermal design of an exchanger with very viscous and high-fouling fluids in a refinery service can be quite complicated as compared to other condensing or reboiling services due to high costs and maintenance problems. In a refinery, high viscosity and high-fouling materials come from the crude column or vacuum-column bottoms (high-temperature zone). These materials have higher temperatures and, therefore, they offer a high energy potential. To use this high energy level, these streams are invariably used as heating media in preheat trains of crude and vacuum units. The challen

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