Historical Examples. 1  The flashes of lightning were incessant, and nearly blinded me. 2  The footsteps were incessant, and the hurry of them became more and more rapid. 3  I have not had a moment to spare from incessant toil since the 8th. 4  I don't mean that he tells stories; but it's just his incessant grumbling.
Primary and secondary treatments remove about 85% to 95% of pollutants from the wastewater before the treated wastewater is disinfected and discharged into local waterways. Sludge, the byproduct of the treatment process, is digested for stabilization and is then dewatered for easier handling.
Sewage Sludge/Biosolids Program. âSewage Sludgeâ refers to the solids separated during the treatment of municipal wastewater. The definition includes domestic septage. âBiosolidsâ refers to treated sewage sludge that meets the EPA pollutant and pathogen requirements for land application and surface disposal. See EPAâs biosolids program at the national level for more general information and documents.