The effects of different aeration patterns on aerobic granulation

Li Li Liu; Zhi Ping Wang; Jie Yao; Wei Min Cai

doi:10.1504/IJEP.2009.024467

The effects of different aeration patterns on aerobic granulation

Li Li Liu
, Zhi Ping Wang^*
, Jie Yao
, Wei Min Cai

^*Corresponding author for this work

School of Environment

East China University of Science and Technology
Shanghai Jiao Tong University
Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

In this study, the effects of aeration patterns in terms of intra- (S1) and extra- (S2) aeration on aerobic granulation were investigated. Granules developed in S1 were retarded due to the high shear force of highly mixed air bubbles, and they were more solid while the S2 granules were porous with many distinct pores and channels. Mature granules in two series had comparable specific oxygen uptake rate and ammonium-nitrogen uptake rate, which were 37.57 and 39.64 mg O₂/(gMLSS ? h), 6.44 and 4.03 mg NH₃-N/(gMLSS ? h) respectively. Moreover, S1 granules contained more extracellular polymeric substances and higher exopolysaccharide content, which resulted higher negative charges.

Original language	English
Pages (from-to)	5-19
Number of pages	15
Journal	International Journal of Environment and Pollution
Volume	37
Issue number	1
DOIs	https://doi.org/10.1504/IJEP.2009.024467
State	Published - Apr 2009

Keywords

Aerobic granular sludge
Extra-aeration; intra-aeration
Glucose; SBR
Sequencing batch reactor

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abstract = "In this study, the effects of aeration patterns in terms of intra- (S1) and extra- (S2) aeration on aerobic granulation were investigated. Granules developed in S1 were retarded due to the high shear force of highly mixed air bubbles, and they were more solid while the S2 granules were porous with many distinct pores and channels. Mature granules in two series had comparable specific oxygen uptake rate and ammonium-nitrogen uptake rate, which were 37.57 and 39.64 mg O2/(gMLSS ? h), 6.44 and 4.03 mg NH3-N/(gMLSS ? h) respectively. Moreover, S1 granules contained more extracellular polymeric substances and higher exopolysaccharide content, which resulted higher negative charges.",

keywords = "Aerobic granular sludge, Extra-aeration; intra-aeration, Glucose; SBR, Sequencing batch reactor",

author = "Liu, \{Li Li\} and Wang, \{Zhi Ping\} and Jie Yao and Cai, \{Wei Min\}",

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T1 - The effects of different aeration patterns on aerobic granulation

AU - Liu, Li Li

AU - Wang, Zhi Ping

AU - Yao, Jie

AU - Cai, Wei Min

PY - 2009/4

Y1 - 2009/4

N2 - In this study, the effects of aeration patterns in terms of intra- (S1) and extra- (S2) aeration on aerobic granulation were investigated. Granules developed in S1 were retarded due to the high shear force of highly mixed air bubbles, and they were more solid while the S2 granules were porous with many distinct pores and channels. Mature granules in two series had comparable specific oxygen uptake rate and ammonium-nitrogen uptake rate, which were 37.57 and 39.64 mg O2/(gMLSS ? h), 6.44 and 4.03 mg NH3-N/(gMLSS ? h) respectively. Moreover, S1 granules contained more extracellular polymeric substances and higher exopolysaccharide content, which resulted higher negative charges.

AB - In this study, the effects of aeration patterns in terms of intra- (S1) and extra- (S2) aeration on aerobic granulation were investigated. Granules developed in S1 were retarded due to the high shear force of highly mixed air bubbles, and they were more solid while the S2 granules were porous with many distinct pores and channels. Mature granules in two series had comparable specific oxygen uptake rate and ammonium-nitrogen uptake rate, which were 37.57 and 39.64 mg O2/(gMLSS ? h), 6.44 and 4.03 mg NH3-N/(gMLSS ? h) respectively. Moreover, S1 granules contained more extracellular polymeric substances and higher exopolysaccharide content, which resulted higher negative charges.

KW - Aerobic granular sludge

KW - Extra-aeration; intra-aeration

KW - Glucose; SBR

KW - Sequencing batch reactor

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DO - 10.1504/IJEP.2009.024467

M3 - 文章

AN - SCOPUS:64549106895

SN - 0957-4352

VL - 37

SP - 5

EP - 19

JO - International Journal of Environment and Pollution

JF - International Journal of Environment and Pollution

IS - 1

ER -

The effects of different aeration patterns on aerobic granulation

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Keywords

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