Device for the quantitative reduction of nitrogen dioxide in gas

Details Device for the quantitative reduction of nitrogen dioxide in gas Device for the quantitative reduction of nitrogen dioxide in gas

1978-06-28

1980-09-09

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Flame ionization detector

423405, 23232E, 23927, G01N 3100, C01B 2124, C09K 300

Patent

active

042217610

ABSTRACT:
A reducer for the quantitative reduction of NO.sub.2 to NO in gas mixtures. The reducer comprises two compartments of which one is filled with a granular preparation consisting of ferrosulphate and an acid alkalisulphate and the second comprises a granular preparation consisting of ferrosulphate and a strong acid. The preparation is preferably provided on the surface of granular inert carrier material, for example pumice.

REFERENCES:
patent: 3186804 (1965-06-01), Fisher
patent: 3220794 (1965-11-01), Stiles
patent: 3382033 (1968-05-01), Kitagawa
patent: 3476524 (1969-11-01), Burke
patent: 3503715 (1970-03-01), Haensel
patent: 3973914 (1976-08-01), Van Heusden
patent: 3996339 (1976-12-01), Falkenburg

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