Boron (Borate)
Borate, a compound of Boron, is found mainly in sea water, but it appears in some fresh water in the form of Boric Acid. Boric acid is not limited in drinking water standards, but it is viewed as a contaminant in agricultural areas when it becomes concentrated in the soil. It is especially damaging to citrus crops. The average boron concentration in surface waters ranges from 0.001 mg/L to 0.1 mg/L.
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Boron behaves much like silica when in solution. Health Implications: |
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| Treatment: Boron can be removed by Anion Exchange or adsorbed by carbon filtration. It is removed also by reverse osmosis, but reduction is usually in the 60% range. Anion exchange is practical only for industrial applications because the resin must normally be regenerated with acids. |
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