Automatic total reducers monitoring and adjustment system using

Details Automatic total reducers monitoring and adjustment system using Automatic total reducers monitoring and adjustment system using

1990-11-27

1992-04-14

Jones, W. Gary

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Transparent

210 961, 2101981, 210513, 364497, 364500, 422 62, 422 75, 436 51, 436123, B01D 1712

Patent

active

051045273

ABSTRACT:
A process and apparatus for automatically monitoring or adjusting, or both, the concentration of total reducers (i.e. reduced sulfur-containing constituents which consume iodine) in an aqueous medium (e.g. waste water stream) whereby the time period for iodine titration of an untreated sample of the aqueous medium is automatically measured by measuring a time of light being transmitted through a titration sample cell and this time measurement is automatically translated into an output signal to either a monitoring means or a process adjustment means (e.g. oxidant chemical feed pump) or both.

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