Oxidation detection for sulfite/sulfate systems

Details Oxidation detection for sulfite/sulfate systems Oxidation detection for sulfite/sulfate systems

1993-07-12

2000-01-04

Caputa, Anthony C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Automatic analytical monitor and control of industrial process

422 88, 422 98, 422105, 422108, 422111, 422172, 4232421, 42324301, 423555, 436 55, 436119, 436122, 436163, G01N 2100, G01N 3096, G01N 2700, G01N 3508

Patent

active

060106646

ABSTRACT:
A method for monitoring the oxidation rate in a flue gas desulfurization system having a slurry comprises locating a monitor in the system for accessing the slurry. A sample is periodically drawn from the slurry by the monitor wherein a titration is performed on each sample. The titration performed on each sample comprises adding a potassium iodate KIO.sub.3 solution, a potassium iodide KI starch solution and an acid solution to the sample in the monitor for causing the sample to exhibit a color corresponding to the oxidation rate.

REFERENCES:
patent: 3945904 (1976-03-01), Robison
patent: 3985864 (1976-10-01), Vautrain et al.
patent: 4010239 (1977-03-01), Dor
patent: 4021201 (1977-05-01), Vautrain et al.
patent: 4100266 (1978-07-01), Smith
patent: 5008203 (1991-04-01), Mathews
patent: 5168065 (1992-12-01), Jankura et al.

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