What was a major spatial advantage of adopting the activated sludge process for municipal treatment facilities?
Answer
Drastic reduction in the land area required for facilities
By shifting from passive, land-intensive settling and drying beds to an active biological system contained within tanks, cities were able to significantly reduce the physical footprint of their treatment facilities. This efficiency meant that plants could be situated closer to urban centers and handle higher volumes of waste without the need for vast tracts of land, which had previously capped the growth potential of municipal sanitation systems.
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