The objective of this powerpoint presentation was to determine if electrolysis and volatilization can be an
effective technique for reducing the concentration of
bromide in California State Project Water resulting in
reduced formation of bromate when ozonated. The hypothesis presented is that
bromide can be electrolyzed to bromine and bromine
can be volatilized at low pH (<3.5) and air stripping
with fine gas, producing a finished water with a lower
bromide concentration and less potential to form
bromate when ozonated. Reasons for removing bromide are listed, along with current bromide treatments. An overview of electrolysis and volatilization is provided that includes: electrolysis and hydrolysis; electrolysis reactor; analytical techniques; Experiment 1 -
Bromide Removal as Impacted by
Flow and Current; Experiment 2 -
Bromide Removal by Depth; and, Experiment 3 -
Electrolysis and Ozonation, A, B and C. Overall conclusions were that:
the oxidation and volatilization of bromide does
lower the concentration of bromide in drinking
waters;
removing bromide from water prior to ozonation
can reduce the formation of bromate under the
right conditions; and,
the DPD-FAS titration technique for Cl<sub>2</sub> does
appear to be adequate for electrolyzed waters. Includes tables, figures.
| Edition : | Vol. - No. |
| File Size : | 1
file
, 3.4 MB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 43 |
| Published : | 11/01/2007 |
