Facilitated phosphorus release from BNR sludge

Lai, Stephen Chak Fai (2006). Facilitated phosphorus release from BNR sludge Honours Thesis, School of Engineering, The University of Queensland.

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Author Lai, Stephen Chak Fai
Thesis Title Facilitated phosphorus release from BNR sludge
School, Centre or Institute School of Engineering
Institution The University of Queensland
Publication date 2006-01-01
Thesis type Honours Thesis
Supervisor Zhiguo Yuan
Gulsum Yilmaz
Total pages 31
Language eng
Subjects 0904 Chemical Engineering
Formatted abstract
This study aims at exploring the prospect of recovering phosphorus from sludge which results from biological nutrient removal. As the first part of a year long thesis, the main focus of this report is to provide backgrounds of P removal technologies, to conduct a thorough literature review on biological P removal, and to develop a methodology that would allow P release from the BNR sludge. In addition, two experiments had also been carried out as pioneer studies on P release from BNR sludge.

It was found that with granular sludge, a 60% recovery of P recovery is possible, while biological P release from floccular sludge did not happen at all. Further studies will be carried out to investigate the strange behaviour of floccular sludge, and to boost the amount of P release from granular sludge to a higher level, possibly 80 to 90%.

Apart from trying to increase the percentage yield of P from the BNR sludge, the crucial factors that affect P release will also be identified. This will be the major focus of the second report.
Keyword BNR Sludge

Document type: Thesis
Collection: UQ Theses (non-RHD) - UQ staff and students only
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Created: Fri, 19 Dec 2014, 01:29:39 EST by Asma Asrar Qureshi on behalf of Scholarly Communication and Digitisation Service