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the pollution load of the sewage
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EXERC
VERY SHORT ANSWER TYPE QUESTIONS
1. What is wastewaterfa
2. What is sewerage ?
3. What is aeration ?
4. What do you understand by chlorination ?
5. Name some diseases caused by insanitation.
Answers
Answer:
1. Wastewater is any water that has been contaminated by human use. Wastewater is "used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff or stormwater, and any sewer inflow or sewer infiltration".
2. Sewerage is the infrastructure that conveys sewage or surface runoff using sewers. It encompasses components such as receiving drains, manholes, pumping stations, storm overflows, and screening chambers of the combined sewer or sanitary sewer.
3.Aeration is the process by which air is circulated through, mixed with or dissolved in a liquid.
4. Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water. ... In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera, dysentery, and typhoid.
5. Poor sanitation is linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid and polio and exacerbates stunting.