Full Description

The electrolysis of salt brine solutions by onsite generators produces chlorine (free availablechlorine [FAC = Cl2, HOCl, and OCl]-) at concentrations ranging from 200 to 1,000 mg/L. Thereis some speculation that the electrolysis of salt brine also produces chlorine dioxide (ClO2)and ozone (O3). The analytical methods frequently cited for measuring ClO2 and O3 in anolyteliquors following salt brine electrolysis are the DPD and indigotrisulfonate methods. Theseanalytical procedures are routinely used to measure drinking water residuals in finishedwater. However, when used for measuring components in electrolysis cell liquors, falsepositiveresults are observed. Includes 36 references, tables, figures.

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Edition: Vol. 94 - No. 10 Published: 10/01/2002 Number of Pages: 10File Size: 1 file , 240 KB