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Murari
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Asked: 2021-10-27T10:56:12+00:00 In:

Activated sludge should have the ability to settle quickly so that it can:

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100%a. be rapidly pumped back from sedimentation tank to aeration tank ( 3 voters )
0%b. absorb pathogenic bacteria present in waste water while sinking to the bottom of the settling tank
0%c. be discarded and anaerobically digested
0%d. absorb colloidal organic matter
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    1. a. be rapidly pumped back from sedimentation tank to aeration tank

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