FACTORS AFFECTING FLOATING AND SETTLING PROBLEMS IN ACTIVATED SLUDGE SYSTEMS
Authors: Gerges, Hany; Neethling, J.B; Burris, Bruce; Borkman, Chuck
Source: Proceedings of the Water Environment Federation, WEFTEC 2002: Session 11 through Session 20 , pp. 588-595(8)
Publisher: Water Environment Federation
Abstract:An optimization protocol was developed and implemented to identify the reason behind sludge poor compaction and floatation problems in activated sludge systems. As part of the protocol, several diagnostic tests were conducted. Some of these tests were performed in the laboratory while the others were conducted in the field. These tests included: settling velocity tests, gas super-saturation tests, denitrification tests, and filaments identification tests. By using this testing protocol, project team could pinpoint the various problems and quantify the contributions of each one to sludge floatation.
Document Type: Research Article
Publication date: 2002-01-01
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