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What is the difference between biosolids and sewage sludge?

April 26, 2017biosolids difference sewage sludge

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What is the difference between biosolids and sewage sludge?

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10 Posted

Sewage sludge is made up of solids separated from the waste stream after primary and secondary treatment. Biosolids are sewage sludge that has been carefully treated, often biologically, to a higher quality, significantly reducing the number of pathogens, producing an environmentally safe product that can be recycled into the environment.