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.
Wastewater: Activated Sludge â Pinfloc. Pin-floc in activated sludge may be defined as very fine floc particles with poor settling characteristics. Examine the operating record â over an extended time period â for prolonged low F/M. Check available records for the presence of toxic substances in the raw wastewater.