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For the sewage sludge with the sewage treatment plant, the commonest sludge incorporates Main and secondary sludge, the place the key sludge will be the sludge gathered from the key clarifier, and also the secondary sludge is definitely the surplus-activated sludge (Nielsen and Stefanakis 2020). As to the onsite sanitation https://fine-bubble-diffuser47913.canariblogs.com/the-fact-about-ion-exchange-equipment-that-no-one-is-suggesting-44110955

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