Water Contaminant Treatments

Arsenic

Drinking Water Sources of Arsenic

Arsenic (As) is not easily dissolved in water, therefore, if it is found in a water supply, it usually comes from mining or metallurgical operations or from runoff from agricultural areas where materials containing arsenic were used as industrial poisons. Arsenic and phosphate easily substitute for one another chemically; therefore, commercial grade phosphate can have some arsenic in it. Arsenic is highly toxic and has been classified by the US EPA as a carcinogen. The current MCL for arsenic is 0.05 mg/l, which was derived from toxicity considerations rather than carcinogenicity.

Treatment of Arsenic

If in an inorganic form, arsenic can be removed or reduced by conventional water treatment processes. There are five ways to remove inorganic contaminants; reverse osmosis, activated alumina, ion exchange, activated carbon, and distillation. Filtration through activated carbon will reduce the amount of arsenic in drinking water from 40 - 70%. Anion exchange can reduce it by 90 - 100%. Reverse Osmosis has a 90% removal rate, and Distillation will remove 98%. If the arsenic is present in organic form, it can be removed by oxidation of the organic material and subsequent coagulation.

Water Filtration Solutions To Address Arsenic

3M Aqua-Pure
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    AdEdge
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        AdEdge
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          3M Aqua-Pure
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            3M Aqua-Pure
            Regular price$1,437.35 $662.48
              3M Aqua-Pure
              Regular price$3,310.58 $1,717.86

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