5 ESSENTIAL ELEMENTS FOR SEDIMENTATION FILTRATION PACKAGE

With the sewage sludge from the sewage treatment plant, the commonest sludge contains Main and secondary sludge, in which the main sludge would be the sludge gathered from the primary clarifier, as well as secondary sludge is the surplus-activated sludge (Nielsen and Stefanakis 2020). As for the onsite sanitation system, the sludge is recognized as