NEW STEP BY STEP MAP FOR SLUDGE SCRAPER WITH SUCTION ARM

For the sewage sludge from your sewage treatment plant, the most common sludge features Main and secondary sludge, where by the first sludge will be the sludge collected from the primary clarifier, as well as the secondary sludge will be the surplus-activated sludge (Nielsen and Stefanakis 2020). As for that onsite sanitation system, the sludge is