Search Results       Your search for [subject]Sludge bulking returned 1 record.           Manual on the causes and control of activated sludge bulking and foaming. by Richard, Michael G.; Boca Raton: Lewis, 1993. Subject: Flocculation; Sewage - Purification - Activated sludge process; Sludge bulking.          Add to Book Cart Relevance: 24.46%