Method for preventing contamination of heat exchanger and...

Details Method for preventing contamination of heat exchanger and... Method for preventing contamination of heat exchanger and...

2005-05-31

2005-05-31

Walberg, Teresa J. (Department: 3742)

Heat exchange

With coated, roughened or polished surface

C165S134100

Reexamination Certificate

active

06899166

ABSTRACT:
On the surface of a heat exchanging portion in a heat exchanger, a film made of a polyaniline is formed. When the heat exchanger operates, condensed water is adhered on the surface of the heat exchanger, and contacts the film made of the polyaniline. Accordingly, oxygen dissolved in the condensed water becomes active oxygen by the polyaniline, and organic substances contained in the condensed water is decomposed. Thus, an amount of organic substances attached to a surface of the heat exchanger can be reduced in low cost without equipment extension.

REFERENCES:
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patent: 5070938 (1991-12-01), Mizuno et al.
patent: 5741887 (1998-04-01), Morita et al.
patent: 5904990 (1999-05-01), Stenger-Smith et al.
patent: 5922466 (1999-07-01), Angelopoulos et al.
patent: 5976419 (1999-11-01), Hawkins et al.
patent: A8-296992 (1996-11-01), None
patent: 9-175801 (1997-07-01), None
patent: 10-316403 (1998-12-01), None

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