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On-line Access: 2024-08-27
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Bed expansion behavior and sensitivity analysis for super-high-rate anaerobic bioreactor
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Xiao-guang CHEN, Ping ZHENG, Jing CAI, Mahmood QAISAR. Bed expansion behavior and sensitivity analysis for super-high-rate anaerobic bioreactor[J]. Journal of Zhejiang University Science B, 2010, 11(2): 79-86.
@article{title="Bed expansion behavior and sensitivity analysis for super-high-rate anaerobic bioreactor",
author="Xiao-guang CHEN, Ping ZHENG, Jing CAI, Mahmood QAISAR",
journal="Journal of Zhejiang University Science B",
volume="11",
number="2",
pages="79-86",
year="2010",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B0900256"
}
%0 Journal Article
%T Bed expansion behavior and sensitivity analysis for super-high-rate anaerobic bioreactor
%A Xiao-guang CHEN
%A Ping ZHENG
%A Jing CAI
%A Mahmood QAISAR
%J Journal of Zhejiang University SCIENCE B
%V 11
%N 2
%P 79-86
%@ 1673-1581
%D 2010
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B0900256
TY - JOUR
T1 - Bed expansion behavior and sensitivity analysis for super-high-rate anaerobic bioreactor
A1 - Xiao-guang CHEN
A1 - Ping ZHENG
A1 - Jing CAI
A1 - Mahmood QAISAR
J0 - Journal of Zhejiang University Science B
VL - 11
IS - 2
SP - 79
EP - 86
%@ 1673-1581
Y1 - 2010
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B0900256
Abstract: Bed expansion behavior and sensitivity analysis for super-high-rate anaerobic bioreactor (SAB) were performed based on bed expansion ratio (E), maximum bed sludge content (Vpmax), and maximum bed contact time between sludge and liquid (τmax). Bed expansion behavior models were established under bed unfluidization, fluidization, and transportation states. Under unfluidization state, E was 0, Vpmax was 4 867 ml, and τmax was 844–3 800 s. Under fluidization state, E, Vpmax, and τmax were 5.28%–255.69%, 1 368–4 559 ml, and 104–732 s, respectively. Under transportation state, washout of granular sludge occurred and destabilized the SAB. During stable running of SAB under fluidization state, E correlated positively with superficial gas and liquid velocities (ug and ul), while Vpmax and τmax correlated negatively. For E and Vpmax, the sensitivities of ug and ul were close to each other, while for τmax, the sensitivity of ul was greater than that of ug. The prediction from these models was a close match to the experimental data.
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