John Concrane
January 29, 2024
Best rated sludge dewatering decanter manufacturer: The activated sludge flocs are slightly refined, with abnormal color, poor settling performance, turbid supernatant, and many small feathery sludge fragments; 2. Microscopic examination can reveal protozoa, but their numbers have sharply decreased. During the microscopic examination process, protozoa were found, but most of them have died or lost […]