NDLI: Bio-augmentation as a tool for improving the modified sequencing batch biofilm reactor.

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Bio-augmentation as a tool for improving the modified sequencing batch biofilm reactor.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Yang, Kai Ji, Bin Wang, Hongyu Zhang, Huaiyu Zhang, Qian
Description	Country affiliation: China Author Affiliation: Yang K ( School of Civil Engineering, Wuhan University, Wuhan 430072, China.); Ji B ( School of Civil Engineering, Wuhan University, Wuhan 430072, China.); Wang H ( School of Civil Engineering, Wuhan University, Wuhan 430072, China. Electronic address: hywang96@126.com.); Zhang H ( Central and Southern China Municipal Engineering Design and Research Institute, Wuhan 430010, China.); Zhang Q ( School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China.)
Abstract	Biological treatment of domestic sewage was accomplished in a pilot-scale modified sequencing batch biofilm reactor (SBBR) bio-augmented with consortium of 5 strains of indigenous bacteria (genus Pseudomonas and Bacillus). The reactor consisted of fibrous filler in the upper and ceramsite filter media in the bottom. It demonstrated to have a short hydraulic residence time (HRT) for 10 h and good quality effluent to cope with low C/N ratio domestic wastewater. The biofilm attached fibrous fillers mainly contributed to contaminants removal. Bio-augmentation dramatically enhanced the removal efficiency of chemical oxygen demand (COD), total phosphorus (TP), and especially total nitrogen (TN), which increased respectively from 80.3%, 58.1% and 41.3% to 83.7%, 67.8% and 58.7%. Polymerase chain reaction (PCR)-denaturing gradient gel electrophoresis (DGGE) technique indicated the 5 strains' survival in the reactor and that Bacillus cereus strain ZQN2 was the most dominant bacteria.
File Format	HTM / HTML
ISSN	13891723
Issue Number	6
Volume Number	117
e-ISSN	13474421
Journal	Journal of Bioscience and Bioengineering
Language	English
Publisher	Elsevier
Publisher Date	2014-06-01
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Biomedical Engineering Discipline Microbiology Bacillus Cereus Physiology Biofilms Pseudomonas Aeruginosa Biodegradation, Environmental Biological Oxygen Demand Analysis Bioreactors Filtration Nitrogen Chemistry Metabolism Phosphorus Sewage Microbiology Waste Disposal, Fluid Methods Waste Water Water Pollutants, Chemical Water Purification Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Bioengineering Applied Microbiology and Biotechnology Biotechnology

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Bio-augmentation as a tool for improving the modified sequencing batch biofilm reactor.

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Bio-augmentation as a tool for improving the modified sequencing batch biofilm reactor.