Drinking Water Treatment – Oxidizing Filters

EFFECTIVE AGAINST: Oxidizing filters oxidize and filter iron, manganese, and hydrogen sulfide in one unit.

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Uses

An oxidizing filter is an in-line, point-of-entry device (on the main incoming water line) that converts dissolved iron, manganese, and hydrogen sulfide to a solid form and then …

Drinking Water Treatment – Ultraviolet Radiation

EFFECTIVE AGAINST: Efficient at inactivating vegetative and sporous forms of bacteria, Giardia lamblia, Cryptosporidium cysts, and other pathogenic microorganisms.

INEFFECTIVE AGAINST: Not recommended if the untreated water contains high levels of coliform, substantial color, or suspended solids. (Where total coliform bacteria exceed 1,000 colonies per 100 mL or fecal coliform bacteria exceed 100 colonies per 100 mL.)

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Questions to Ask Before You Buy A Water Treatment System

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Drinking Water Treatment – Activated Alumina

EFFECTIVE AGAINST: Fluoride, arsenic, selenium, and chromium.

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Uses of activated alumina

Activated alumina can be used as a point-of-entry or point-of-use water treatment device. Activated alumina absorbs contaminants instead of filtering them. The effectiveness of activated alumina depends on the contaminant, characteristics of the …

Drinking Water Treatment – Potassium Permanganate

EFFECTIVE AGAINST: Dissolved iron and manganese, and hydrogen sulfide.

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Uses of potassium permanganate

Potassium permanganate is a point-of-entry treatment method that oxidizes dissolved iron, manganese, and hydrogen sulfide into solid particles that are …

Drinking Water Treatment – Ozone

EFFECTIVE AGAINST: Pathogenic (disease-causing) organisms including bacteria and viruses, phenols, some color, taste and odor problems, iron and manganese, and turbidity.

NOT EFFECTIVE AGAINST: Large cysts and some other large organisms, inorganic chemicals, and heavy metals.

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Drinking Water Treatment – Filtration

EFFECTIVE AGAINST: Small particles and suspended solids such as ferric iron, clay, silt and sand, and some pathogens such as bacteria and viruses, and colloids (suspended matter).

NOT EFFECTIVE AGAINST: Any dissolved contaminants such as nitrate, dissolved iron, sodium, and volatile organic compounds (VOCs).

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Drinking Water Treatment – Distillation

EFFECTIVE AGAINST: Some heavy metals, dissolved solids, some bacteria and viruses, inorganic materials such as nitrate, sodium, fluoride, and sulfate, and some toxic organic chemicals.

NOT EFFECTIVE AGAINST: Most volatile and semi-volatile organic compounds (VOCs), and some bacteria.

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Distillation

Distillation is …

Drinking Water Treatment – Chlorination

Image:Wellhead.jpgChlorination may be effective in removing pathogens, including certain viruses and bacteria, from your well water system.

EFFECTIVE AGAINST: Pathogens, including certain viruses and bacteria.

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Drinking Water Treatment – Cation Exchange Units

EFFECTIVE AGAINST: Positively charged ions such as iron, magnesium, calcium or manganese.

NOT EFFECTIVE AGAINST: Negatively charged ions, such as nitrates, bicarbonate, sulfate, selenium, and some compounds of arsenic.

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