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Mechanism and Optimization of the Cannibal Process

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This research was designed to investigate the effect of the Cannibal Interchange Bioreactor (CIB) Hydraulic Retention Time (HRT) and Interchange Rate on the solids destruction in the Cannibal system. Interchange Rate (IR) is defined as the percent of sludge by mass interchanged between the activated sludge system and the bioreactor on daily basis. The first phase of this study has looked at the effect of three different CIB HRT's, 5 days, 7 days and 10 days. The IR during phase I was 10%. The second phase of this study focused on the effect of different IR's, 15%, 10%, 7%, 5% and 4%. The HRT in the CIB during the second phase was 7 days. The results showed that the 7 days HRT can be recommended as the minimum retention period for the Cannibal process and the 10% interchange rate gave maximum solids destruction than the other interchange rates.
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Keywords: Activated sludge; Anaerobic Bioreactor; Hydraulic Retention Time; Interchange Rate; Sequencing Batch Reactor; Solids Destruction; Solids Retention Time

Document Type: Research Article

Publication date: 2009-01-01

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