NDLI: Rapid cultivation of aerobic granular sludge by bone glue augmentation and contaminant removal characteristics.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Wang, Shuo Shi, Wenxin Yu, Shuili Yi, Xuesong
Description	Country affiliation: China Author Affiliation: Wang S ( State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China.)
Abstract	To achieve a quick start-up and stable operation, aerobic granular sludge (AGS) was cultivated in a sequencing batch airlift reactor (SBAR) with the addition of bone glue augmentation. Adding an amount of bone glue (40 mg L(-1)) can accelerate granulation, which advanced by 10 d on average. Aerobic granules of size 0.5-3.0 mm were dominant in the SBAR and the settling velocity acquired a better correlation with the size of the AGS. In addition, the content of total polysaccharides was 19.54 mg gMLSS(-1) (grams of mixed liquor suspended solids) (an increase of 34.0%), the content of total protein was 60.59 mg gMLSS(-1) (an increase of a factor of 33) and the total proteins/total polysaccharides ratio was 3.3. The relatively high protein content was an essential feature for cultivation of AGS, which may indicate that extracellular polymeric substance was the mechanism for granulation due to the adhesion of microorganisms by bone glue. AGS possessed better chemical oxygen demand, NH4(+)-N and PO4(3-)-P removal efficiency (of 86.7, 90.6 and 93.8%, respectively) and no nitrite accumulation was observed in the whole process.
File Format	HTM / HTML
ISSN	02731223
Issue Number	7
Volume Number	67
e-ISSN	19969732
Journal	Water Science & Technology
Language	English
Publisher	IWA Publishing
Publisher Date	2013-01-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Hydrology Bioreactors Bone Cements Sewage Feasibility Studies Particle Size Polymers Analysis Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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