Primary treatment of wastewater used to remove:a.Nitrate and Phosphateb.COD and TDSc.BOD and TSSd.TDS only
Question
Primary treatment of wastewater used to remove:a.Nitrate and Phosphateb.COD and TDSc.BOD and TSSd.TDS only
Solution
The primary treatment of wastewater is used to remove BOD (Biochemical Oxygen Demand) and TSS (Total Suspended Solids). So, the correct answer is c. BOD and TSS.
Here's a step-by-step explanation:
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Primary treatment is the first phase of wastewater treatment. During this phase, wastewater is placed in holding tanks and the solid matter is allowed to settle at the bottom.
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The settled solids are known as sludge. The sludge is then removed from the wastewater, leaving behind a liquid that can be sent to secondary treatment.
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The primary treatment process is mainly designed to remove solid materials (TSS) and organic materials that bacteria can decompose (BOD) from the wastewater.
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The removal of nitrate, phosphate, COD (Chemical Oxygen Demand
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