Reagentless oxidation reactor in a carbon measuring system

Details Reagentless oxidation reactor in a carbon measuring system Reagentless oxidation reactor in a carbon measuring system

1994-06-20

1998-05-12

Soderquist, Arlen

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 78, 422 80, 422 8201, 422 8204, 436145, 436146, G01N 3112, G01N 3300

Patent

active

057500738

ABSTRACT:
An oxidation reactor having particular utility in a system for measuring carbon in an aqueous sample. A first chamber and second chamber are separated by a hydrogen-permeable electrode, each chamber having a separate electrolysis cell. The hydrogen-permeable electrode acts as the anode of one cell and the cathode of the other cell. The sample stream flows into one chamber and the electrolysis cell produces oxygen from the water at one optically transparent electrode and in combination with short wave ultraviolet light oxidizes organic carbon to CO.sub.2 and produces hydrogen at the other electrode which passes through the hydrogen-permeable electrode into the second chamber. The electrolysis cell in the second chamber produces oxygen at hydrogen-permeable electrode to react with the hydrogen that passes through the hydrogen-permeable electrode to form water, thereby maintaining the maximum concentration gradient of hydrogen across the hydrogen-permeable electrode to improve hydrogen transferring efficiency.

REFERENCES:
patent: 3925212 (1975-12-01), Tchernev
patent: 4293522 (1981-10-01), Winkler
patent: 4547273 (1985-10-01), Ayers
patent: 4619902 (1986-10-01), Bernard
patent: 4626413 (1986-12-01), Blades
patent: 5132094 (1992-07-01), Godec et al.
patent: 5443991 (1995-08-01), Godec et al.

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