Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16108
Title: Evaluation of a novel integrated bioreactor - AOS system for treating oil-containing restaurant wastewater on site in Hong Kong
Authors: Wang, L
Zhou, Q
Chua, H
Keywords: Anaerobic filter
Integrated reactor
Oil and grease
UASB
Wastewater treatment
Issue Date: 2005
Publisher: Marcel Dekker Inc
Source: Journal of environmental science and health - part a toxic/hazardous substances & environmental engineering, 2005, v. 40, no. 1, p. 227-243 How to cite?
Journal: Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engineering 
Abstract: AOS system is an anaerobic digestion reactor (A-section, UASB or UBF), oxidation degradation reactor (O-section, aerobic biofilm reactor), and physical sedimentation tank (S-section) 3-in-1 integrated reactor. The compact bioreactor was applied to treat oil-containing restaurant's wastewater on site in Hong Kong. The treatment efficiency was observed at different HRT. Experimental results indicated that the AOS system for treating oil-containing restaurant wastewater on site was feasible when HRT at 0.6 days above. During the running period, the net sludge generation rate of the AOS system was only about 0.08-0.09 g g(removed)(-1) COD, and the utmost COD specific volumetric removal rate (SVRR) of the system reached 2.77 gL(-1) d(-1). The utmost specific biomass substrate utilization rate (SBSUR) of COD in O-section and A-section reached 1.22 d(-1) and 0.128 d(-1), respectively. In addition, the experiment results showed that the AOS system with a filter in UASB (that is UBF's AOS system) could bear much more great HLR comparing with UASB's AOS and was more efficient for treating oil-containing restaurant's wastewater on site.
URI: http://hdl.handle.net/10397/16108
ISSN: 1093-4529
DOI: 10.1081/ESE-200038539
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