Apparatus for and method of reducing concentration of carbon mon

Details Apparatus for and method of reducing concentration of carbon mon Apparatus for and method of reducing concentration of carbon mon

1997-09-22

2000-09-19

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Having earth feature

429 26, 429 17, 429 19, 429 34, 422196, 481277, H01M 804

Patent

active

061209252

ABSTRACT:
The structure of the present invention enables all catalysts packed in a cooling layer to be kept in an active temperature range, thereby sufficiently reducing the concentration of carbon monoxide included in a hydrogen-rich gas. A supply of water is fed through a water inlet pipe 40 to a selective CO oxidizing unit 34 of a reformer 30. The heat of vaporization of the supplied water directly cools down selective CO oxidizing catalysts 50 stored in the selective CO oxidizing unit 34. This enhances the cooling efficiency and enables all the selective CO oxidizing catalysts 50 stored in the selective CO oxidizing unit 34 to be maintained in the active temperature range, thus sufficiently reducing the concentration of carbon monoxide included in a resulting gaseous fuel.

REFERENCES:
patent: 4554223 (1985-11-01), Yokoyama
patent: 5271916 (1993-12-01), Vanderborgh
patent: 5432021 (1995-07-01), Wilkinson et al.
patent: 5658681 (1997-08-01), Sato
patent: 5843195 (1998-12-01), Aoyama
patent: 5874051 (1999-02-01), Heil et al.

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