Question

outline the main steps used in sewage treatment​

Answer 1

AnsweR:

Step 1: Screening and Pumping. ...

Step 2: Grit Removal. ...

Step 3: Primary Settling. ...

Step 4: Aeration / Activated Sludge. ...

Step 5: Secondary Settling. ...

Step 6: Filtration. ...

Step 7: Disinfection. ...

Step 8: Oxygen Uptake.

Answer 2

Answer:

Blueprint To Tackle Water crisis

Water, although a finite resource, is grossly undervalued. This attitude towards water has resulted in water wastage, misallocation of water, and a lack of investments in developing water infrastructure and technologies that facilitate efficient water usage. Climate change propelled by the rapidly growing population and industrialization has brought ashore the imminent water crisis. Many urban and semi-urban cities across the world are grappling with water scarcity which has become even more variable and extreme. As we move towards economic growth, we not only pollute our available water at an alarming rate but also fail to treat it.

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