Questions and Answers
What is the first stage of water treatment?
Removal of suspended solids
What are suspended solids?
Particles larger than 2 microns
Which body of water is likely to have higher levels of suspended solids?
Rivers
What is the purpose of a settling pond?
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What is the function of a clarifier in water treatment?
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What is the main benefit of removing suspended solids in water treatment?
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What happens if suspended solids are not removed from water?
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[Blank] are particles that do not dissolve as ions and will either sink or float.
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What is the residence time for water in a clarifier?
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What is used to speed up the settling time of colloidal particles in a clarifier?
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What is the purpose of backwashing a filter?
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What type of filter is often used to remove taste or odors from water?
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What is used to pre-coat the tubes in a filter-aid tubular filter?
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Which type of filter consists of a closed cylindrical housing with several screen-type cylindrical tubes?
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What happens to the pressure drop across a cartridge filter as it screens out more solids?
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What is used to remove chlorine from water in an industrial setting?
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What material is the medium in a pressure filter made of?
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