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2/27/2014 | 1 MINUTE READ

APPLICATION: PPS Used In Novel Heat Exchanger

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Using Fortron PP and ceramics, Bomat's heat exchanger is said to be the first that has no metal in the exhaust-gas section

A new heat exchanger for heating and power units from Germany’s Bomat is said to be the first that has no metal in the exhaust-gas section. Instead, Fortron PPS from Celanese Engineered Materials (U.S. office in Florence, Ky.) was used in both the complex water-carrying housing components (water distributor) and the side panels. The heat-exchange tubes are ceramic.

            According to Bomat, eliminating high-alloy steels and aluminum from the exhaust-gas section prevents the acidic flue gas condensate from corroding metals. In every heating system, the flue gas condensate is discharged via the conventional wastewater system, but the unusual material combination used in the new Bomat Profitherm heat exchanger prevents aluminum or heavy metals from entering the water cycle. This means that operators of heating systems and cogeneration heat and power plants (CHP) can obtain significantly more energy from their fuel and save natural resources, as well as reduce the environmental impact.

            PPS provides the Profitherm heat exchanger with excellent resistance to acidic flue-gas condensates, heating oil, and fuel gases. PPS also has a coefficient of linear thermal expansion (CLTE) similar to that of steel, so it can be joined to metal components with low thermal stress.

(800) 833-4882 • celanese.com