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High organic loading influences the physical characteristics of aerobic sludge granules
Aims: The effect of high organic loading rate (OLR) on the physical characteristics of aerobic granules was studied.
Specific layers in aerobically grown microbial granules
Aims: To determine the optimal size of aerobically grown granules for wastewater treatment by measuring specific layers within the granules.
Size-effect on the physical characteristics of the aerobic granule in a SBR
- S. Toh, J. Tay, B. Moy, V. Ivanov, S. Tay
- EngineeringApplied Microbiology and Biotechnology
- 1 February 2003
In this study, aerobic granules from a sequencing batch reactor were mechanically separated into various size-categories in order to investigate their physical properties, including sludge volumetric index (SVI), settling velocity (sv), specific surface hydrophobicity, granule strength, total solids, percentage volatile solids and other structural properties.
Presence of Anaerobic Bacteroides in Aerobically Grown Microbial Granules
- S. Tay, V. Ivanov, S. Yi, Weiqin Zhuang, J. Tay
- Biology, EngineeringMicrobial Ecology
- 12 September 2002
This is the first study to use a suite of culture-independent techniques to report the presence of a defined species of anaerobic bacteria in aerobically grown microbial granules.
Biodegradation of p-nitrophenol by aerobic granules in a sequencing batch reactor.
- S. Yi, Weiqin Zhuang, Bing Wu, S. Tay, J. Tay
- Engineering, BiologyEnvironmental science & technology
- 1 April 2006
The results in this study demonstrate that it is possible to use aerobic granules for PNP biodegradation and broadens the benefits of using the SBR to target treatment of toxic and recalcitrant organic compounds.
Reactor performance and membrane filtration in aerobic granular sludge membrane bioreactor
Rapid cultivation of stable aerobic phenol-degrading granules using acetate-fed granules as microbial seed.
Thermoactive extracellular proteases of Geobacillus caldoproteolyticus, sp. nov., from sewage sludge
The cell growth and protease production were significantly improved when strain SF03 was cultivated on a 10% skim-milk culture medium, suggesting that the presence of protein induced the synthesis of protease.
Start-up, microbial community analysis and formation of aerobic granules in a tert-butyl alcohol degrading sequencing batch reactor.
We demonstrate that compact well-settling aerobic granules can be developed in a sequencing batch reactor (SBR) for the biological removal of tert-butyl alcohol (TBA) using a strategy involving step…
Quadrisphaera granulorum gen. nov., sp. nov., a Gram-positive polyphosphate-accumulating coccus in tetrads or aggregates isolated from aerobic granules.
- A. Maszenan, J. Tay, P. Schumann, He-Long Jiang, S. Tay
- BiologyInternational journal of systematic and…
- 1 September 2005
Phenotypic and 16S rRNA gene analyses showed that the bacterium differed sufficiently from its closest phylogenetic relatives, namely members of the suborder Frankineae, which includes the genera Geodermatophilus, Blastococcus, Frankia, Sporichthya, Acidothermus and Microsphaera, that it is proposed that it be placed in a novel genus, Quadrisphaera.