3. Write a difference between sludge and scum.
4. What is the name of the main sewage line that is connected to sewage treatment plant?
Answers
Explanation:
1. Scum is the light matter that swims on the top of water.
sludg is the organic matter made up of potassium, nitrogen, carbon and other metal salts. it is used as a fuel and to produce biogas.
2. The name of the main sewage line that is connected to sewage treatment plant is Sever main. it is made up of PVC and cast iron.
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Answer:
3) We learned from Paul Barr, an education specialist at the facility, what the difference is between the technical terms “scum” and “sludge”: scum rises to the top of the water (and looks like a root beer float, says Barr), while sludge settles to the bottom.
4) Systems that carry a mixture of both domestic sewage and storm sewage are called combined sewers. Combined sewers typically consist of large-diameter pipes or tunnels, because of the large volumes of storm water that must be carried during wet-weather periods.
Explanation:
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