NEI Corp., Somerset, N.J., has developed a nanotechnology-based surface treatment for promoting dropwise condensation in vapor-to-liquid heat exchangers and solvent-to-liquid condensers, which enhances the heat transfer performance by an order of magnitude.

According to the company, the technology has the potential to drastically reduce the size of heat exchangers and condensers. Also, retrofitting a heat exchanger with the surface treatment could significantly increase unit capacity, says NEI.

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