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Author:

Miao, Z. (Miao, Z..) | Xue, G. (Xue, G..) | Weng, D. (Weng, D..) | Cao, G. (Cao, G..) | Peng, Y. (Peng, Y..)

Indexed by:

Scopus CSCD

Abstract:

In order to analyze the effect of different temperatures on PAOs decay, a lab-scale EBPR culture with PAOs over 90%±2% of the entire bacterial was used under different conditions (10°C anaerobic, 10°C aerobic, 20°C anaerobic, 20°C aerobic). The results show that the decay rate increases with the increase of temperature; the average rate during 1~9 days is (respectively: 10°C anaerobic, 10°C aerobic, 20°C anaerobic, 20°C aerobic) 0.053/d, 0.50/d, 0.072/d, and 0.145/d; the cell death rate is 0.019/d, 0.017/d, 0.019/d, and 0.03/d, which accounts for 35.8%, 34%, 26.4%, and 20.7% of the decay rate, respectively. The concentration of PHA and glycogen decreases during the decay period. And Glycogen degrades quickly in anaerobic conditions than in aerobic conditions under the same temperature. The glycogen degrade rate is higher with the increase of temperature under the same anaerobic and aerobic conditions.

Keyword:

Decay rate; EBPR; Glycogen; LIVE/DEAD staining; PAOs; PHA

Author Community:

  • [ 1 ] [Miao, Z.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Xue, G.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Weng, D.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 4 ] [Cao, G.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 5 ] [Peng, Y.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, Beijing University of Technology, Beijing 100124, China

Reprint Author's Address:

  • [Peng, Y.]Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, Beijing University of Technology, Beijing 100124, China

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Source :

Journal of Civil, Architectural and Environmental Engineering

ISSN: 1674-4764

Year: 2013

Issue: 2

Volume: 35

Page: 113-117,123

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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