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15 Cards in this Set
- Front
- Back
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Activated carbon (charcoal) is added in the water treatment process to remove.... |
colors, tastes, odors |
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Aluminum sulfate is added to muddy surface water in the treatment process to ... |
cause the mud to "floc" together and sink |
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The sand filter in the water treatment process removes |
flocs leftover from flocculation |
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Fluoride is sometimes added in the water treatment process to prevent... |
tooth decay |
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Acids or bases are sometimes added in the water treatment process to ... |
keep pH near 7 so pipes won't corrode from low or high pH |
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A fancy word for clumping-together of mud is... |
flocculation |
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The law that requires that we have clean water at the tap is S__ D__ W__ A___ |
Safe Drinking Water Act |
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The main disinfectant chemical added to water is __ , but ammonia is added with it to prevent THMs. |
chlorine |
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If just chlorine is added to water, then ___-causing THMS can form. |
cancer |
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THM stands for... |
trihalomethanes |
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Other, non-lingering methods of disinfection are o__ and ___ light. |
ozone & UV light |
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Will the typical water treatment process remove salt from seawater? |
No |
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Is the typical water treatment process used to treat sewage? |
No |
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Will the typical water treatment process remove motor oil, fertilizer, solvents, and heavy metals? |
No |
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Is it important that river water stay reasonably clean so that the typical water plant can get the water safe enough to drink? |
Yes |
