Activated sludge is the« Back to Previous Page
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A. resultant sludge removable from the aeration unit
B. sludge settled in the humus tank
C. sludge in the secondary tank post-aeration rich in microbial mass
D. sludge.in the secondary tank post aeration, rich in nutrients.
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C. sludge in the secondary tank post-aeration rich in microbial mass |
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C. sludge in the secondary tank post-aeration rich in microbial mass |
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