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Wastewater Treatment 2 Exam Questions and Answers
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Wastewater Treatment 2 Exam Questions and Answers
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Wastewater Treatment 2 Exam Questions and Answers.Clarifiers Answer- large circular tanks that remove solids from the water
primary sludge Answer- material that settles out of the wastewater
weir wall Answer- a short wall, just high enough so the top part of the water passes over
it
skimmers Answer- remove grease and other floating debris
digesters Answer- The part of wastewater treatment that uses bacteria to digest organic
waste
Disinfection Answer- at the end of the plant, the bacteria are removed with cholorine, ozone, or ultraviolet
Primary Treatment Answer- separation of solid matter from the wastewater
Secondary Treatment Answer- Bacteria and oxygen combine to break down organic components of wastewater
Tertiary treatment Answer- remove up to 99 percent of the impurities from the wastewater
Dewatering Answer- removing free water from a sludge or slurry to form a high solids cake
Pathogens Answer- Disease-causing organisms, including bacteria, viruses and parasites (protozoa and helminthic worms).
Sewage Answer- water from toilets
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