THE FACT ABOUT ION EXCHANGE EQUIPMENT THAT NO ONE IS SUGGESTING

For the sewage sludge within the sewage treatment plant, the most typical sludge includes Main and secondary sludge, the place the key sludge will be the sludge gathered from the first clarifier, along with the secondary sludge will be the surplus-activated sludge (Nielsen and Stefanakis 2020). As with the onsite sanitation system, the sludge is re