Question

Which of these is not a part of waste water treatment plant? *

1 point

(a) clarifiers

(b) vertical bars

(c) aeration tank

(d) septic tank

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Answer 1

Answer:

septic tank

Explanation:

septic tank is not a part of waste water treatment plant.

septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater (sewage) flows for basic sewage treatment.[2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate (referred to as "primary treatment").[2] Septic tank systems are a type of simple onsite sewage facility. They can be used in areas that are not connected to a sewerage system, such as rural areas. The treated liquid effluent is commonly disposed in a septic drain field, which provides further treatment. Nonetheless, groundwater pollution may occur and can be a problem.

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