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It is used to remove suspended solids and oil and grease from industrial<br />

wastewater, mainly in food processing.<br />

1.1.7. Disinfection<br />

Disinfection systems for treated water to inactivate pathogenic<br />

microorganisms and render the water completely safe for drinking and<br />

domestic use.<br />

More recently, emphasis has been placed on the inactivation of protozoan<br />

cysts such as giardia and cryptosporidium which require specific<br />

consideration and careful application of oxidation/disinfection systems.<br />

Total disinfections processes available include use of:<br />

> Chlorine<br />

> Sodium hypochlorite<br />

> Calcium hypochlorite<br />

> UV<br />

> Ozone<br />

> Chloramine<br />

> Chlorine dioxide

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