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Water disinfection means the removal, deactivation or killing of pathogenic microorganisms. Microorganisms are destroyed or deactivated, resulting in termination of growth and reproduction. When microorganisms are not removed from drinking water, drinking water usage will cause people to fall ill. Sterilization is a process related to disinfection.

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Introduction water disinfection - Water Treatment

The larger part of pathogenic microorganisms is removed by means of water treatment techniques, such as coagulation, flocculation, settling and filtration. To increase drinking water safety disinfection is applied as a final treatement step. There are several different disinfectants, which either kill or deactivate pathogenic microorganisms.

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Water Treatment | Public Water Systems | Drinking Water

Today, the most common steps in water treatment used by community water systems (mainly surface water treatment) include: Figure courtesy of EPA. Coagulation and Flocculation. Coagulation and flocculation are often the first steps in water treatment. Chemicals with a positive charge are added to the water.

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Disinfection and Methods in Water Treatment Process

1. Boiling of water. Boiling of water is the most effective method of disinfection of water. It cannot be used for huge quantities of public water supplies. Boiling of water cannot take care of the future possible contaminations. It used only for domestic purposes in emergencies. 2.

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Water treatment disinfection - Degremont®

Disinfection is the final stage in drinking water treatment before its distribution. Disinfection is used to remove pathogenic micro-organisms from the water.

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Solar water disinfection

Solar water disinfection, in short SODIS, is a type of portable water purification that uses solar energy to make biologically-contaminated (e.g. bacteria, viruses, protozoa and worms) water safe to drink.

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Emergency Disinfection of Drinking Water | Camping, Hiking

If the water is cloudy, filter it through clean cloths or allow it to settle, and draw off the clear water for disinfection. Add 1/8 teaspoon (or 8 drops) of regular, unscented, liquid household bleach for each gallon of water, stir it well, and let it stand for 30 minutes before you use it.

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Choosing the Right Water Disinfection

Still, filtration alone wasn’t enough to reduce widespread illnesses. In 1914, a standard was enacted that limited drinking water to a maximum of two coliforms per 100 mL. This new standard ushered in the modern age of disinfection in the U.S. chlorination, virtually eliminating waterborne epidemics and increasing life expectancy by 50 percent.

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