Wastewater Story Flashcards
last minute revision
What is water pollution?
Contaminated water even the underground water is known as water pollution.
Does the rainwater going through the drain know as sewage?
Yes, because the water carries all the impurities from the rooftop and the floor with it.
What do you mean by cleaning of water?
Cleaning of water is the process of removing contaminants from the water through a through process. It is also known as sewage treatment.
What is Wastewater?
The water that contains impurities and is released by home, offices, toilets etc. is wastewater.
What are the main sources of wastewater?
Domestic, industrial, agricultural, and stormwater runoff.
What is sewage?
Sewage is liquid waste mainly filled with human excreta, detergent impurities etc.
What is the purpose of WWTP?
It is to remove impurities from sewage and and make water fit for reuse.
Aeration help in water cleaning?
Aeration helps in the growth of aerobic bacteria which helps in decomposition of of organic matter.
What is sludge, how is it treated?
Sludge is the solid waste settled during treatment; it is decomposed anaerobically to produce biogas or used as manure.
How do microbes aid in secondary treatment?
Microbes make the organic matter into simpler harmful substances.
Effluent
The treated wastewater discharged from WWTP.
Why is chlorination done during wastewater treatment.
To kill harmful microorganisms and disinfect water.
What are the harmful effects of untreated sewage.
Waterborne diseases, environmental pollution, and harm to aquatic life.
Alternatives for sewage treatment in rural areas.
Septic tanks, Composting pits, Chemical toilets
How to reduce waste water generation?
Fix leaks, reuse water, install water-efficient fixtures, and avoid throwing waste in drains.
