10. Why does sludge have to be stabilized before disposal? Describe the role of anaerobic bacteria...

10. Why does sludge have to be stabilized before disposal? Describe the role of anaerobic bacteria on the degradation of sludge in anaerobic digesters - what is the purpose of each bacteria group in the destruction of solids/organic matter? What is the effect of pH change in the process of anaerobic digestion? Also, please describe the difference between sludge gravity thickening and air dissolved thickening process. (Please, elaborate).

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Ally Wells answered 11 months ago

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