Question

what is the simple definition of sludge?​

Answer 1

Answer:

Sludge is a semi-solid slurry that can be produced from a range of industrial processes, from water treatment, wastewater treatment or on-site sanitation systems. ... Sludge can consist of a variety of particles, such as animal manure

Answer 2

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Sludge is a semi-solid slurry that can be produced from a range of industrial processes, from water treatment, wastewater treatment or on-site sanitation systems.

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