Question

Write the steps involved in waste treatment methods.

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∅ No wrong answers.
∅ No net copied answers
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Answer 1

The Wastewater Treatment Process

Stage One — Bar Screening. ...

Stage Two — Screening. ...

Stage Three — Primary Clarifier. ...

Stage Four — Aeration. ...

Stage Five — Secondary Clarifier. ...

Stage Six — Chlorination (Disinfection) ...

Stage Seven — Water Analysis & Testing. ...

Stage Eight — Effluent Disposal.

Answer 2

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1. Pre-screening:

• Wastewater generated from domestic and industrial activities is screened to remove soil and solid particulates.

2. Aeration:

• Screened wastewater is then pumped to an aeration tank.

3. Sedimentation process:

• In this process, the solid particles in suspension form are allowed to settle. The particles that settle out from the suspension is known as sludge.

4. Sludge removal:

• The sludge generated by the degradation process is transferred periodically from the tank for safe disposal.

5. Disinfection:

• Chlorination and ultraviolet (UV) radiation of treated water is required to remove any micro-organism contamination.

6. Water recycling:

• The water will then be supplied for domestic or industrial purposes.