Aerobic granular sludge in an SBR-system treating wastewater rich in particulate matter

Schwarzenbeck, N., Erley, R. and Wilderer, P. (2004). Aerobic granular sludge in an SBR-system treating wastewater rich in particulate matter. In: , Water Science & Technology: Biofilm Systems V. 5th International Conference on Biofilm Systems, Cape Town, South Africa, (41-46). 14-18 September, 2003.


Author Schwarzenbeck, N.
Erley, R.
Wilderer, P.
Title of paper Aerobic granular sludge in an SBR-system treating wastewater rich in particulate matter
Conference name 5th International Conference on Biofilm Systems
Conference location Cape Town, South Africa
Conference dates 14-18 September, 2003
Proceedings title Water Science & Technology: Biofilm Systems V   Check publisher's open access policy
Journal name Water Science and Technology   Check publisher's open access policy
Place of Publication London
Publisher IWA Publishing/Portland Press
Publication Year 2004
Sub-type Fully published paper
ISSN 0273-1223
Volume 49
Issue 11-12
Start page 41
End page 46
Total pages 6
Language eng
Abstract/Summary Aerobic granular sludge was successfully cultivated in a lab-scale SBR-system treating malting wastewater with a high content of particulate organic matter (0.9 gTSS/L). At an organic loading rate (CODtotal) of 3.4 kg/(m3.d) an average removal efficiency of 50% in CODtotal and 80% in CODdissolved was achieved. Fractionation of the COD by means of particle size showed that particles with a diameter less than 25-50 mm could be removed at 80% efficiency, whereas particles bigger than 50 mm were only removed at 40% efficiency. Tracer experiments revealed a dense sessile protozoa population covering the granules. The protozoa appeared to be responsible for primary particle uptake from the wastewater.
Subjects 0605 Microbiology
090409 Wastewater Treatment Processes
Q-Index Code E1

 
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