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CLC number: X512

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Received: 2009-03-01

Revision Accepted: 2009-07-01

Crosschecked: 2009-07-07

Cited: 5

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Journal of Zhejiang University SCIENCE B 2009 Vol.10 No.8 P.595~601

http://doi.org/10.1631/jzus.B0920064


Performance of biotrickling filters for hydrogen sulfide removal under starvation and shock loads conditions


Author(s):  Lan-he ZHANG, Xiu-li MENG, Ying WANG, Li-dan LIU

Affiliation(s):  School of Chemical Engineering, Northeast Dianli University, Jilin 132012, China; more

Corresponding email(s):   zhanglanhe@163.com

Key Words:  Biotrickling filter, Starvation, Shock loads, Odor, Hydrogen sulfide


Lan-he ZHANG, Xiu-li MENG, Ying WANG, Li-dan LIU. Performance of biotrickling filters for hydrogen sulfide removal under starvation and shock loads conditions[J]. Journal of Zhejiang University Science B, 2009, 10(8): 595~601.

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author="Lan-he ZHANG, Xiu-li MENG, Ying WANG, Li-dan LIU",
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volume="10",
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pages="595~601",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B0920064"
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%T Performance of biotrickling filters for hydrogen sulfide removal under starvation and shock loads conditions
%A Lan-he ZHANG
%A Xiu-li MENG
%A Ying WANG
%A Li-dan LIU
%J Journal of Zhejiang University SCIENCE B
%V 10
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%P 595~601
%@ 1673-1581
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B0920064

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T1 - Performance of biotrickling filters for hydrogen sulfide removal under starvation and shock loads conditions
A1 - Lan-he ZHANG
A1 - Xiu-li MENG
A1 - Ying WANG
A1 - Li-dan LIU
J0 - Journal of Zhejiang University Science B
VL - 10
IS - 8
SP - 595
EP - 601
%@ 1673-1581
Y1 - 2009
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.B0920064


Abstract: 
In the industrial operation of biotrickling filters for hydrogen sulfide (H2S) removal, shock loads or starvation was common due to process variations or equipment malfunctions. In this study, effects of starvation and shock loads on the performance of biotrickling filters for H2S removal were investigated. Four experiments were conducted to evaluate the changes of biomass and viable bacteria numbers in the biotrickling filters during a 24-d starvation. Compared to biomass, viable bacteria numbers decreased significantly during the starvation, especially when airflow was maintained in the absence of spray liquid. During the subsequent re-acclimation, all the bioreactors could resume high removal efficiencies within 4 d regardless of the previous starvation conditions. The results show that the re-acclimation time, in the case of biotrickling filters for H2S removal, is mainly controlled by viable H2S oxidizing bacteria numbers. On the other hand, the biotrickling filters can protect against shock loads in inlet fluctuating H2S concentration after resuming normal operation. When the biotrickling filters were supplied with H2S at an input of lower than 1700 mg/m3, their removal efficiencies were nearly 98% regardless of previous H2S input.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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