b) How is the sludge produced when microbes used in sewage management process utilization ?
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The residue that accumulates in sewage treatment plants is called sludge (or biosolids). Primary sludge is generated from chemical precipitation, sedimentation, and other primary processes, whereas secondary sludge is the activated waste biomass resulting from biological treatments
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1
Answer:
Primary sludge is generated from chemical precipitation, sedimentation, and other primary processes, whereas secondary sludge is the activated waste biomass resulting from biological treatments. Some sewage plants also receive septage or septic tank solids from household on-site wastewater treatment systems.
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