PERFORMANCE OF A BIOTRICKLING FILTER EMPLOYING THIOBACILLUS THIOPARUS IMMOBILIZED ON POLYURETHANE FOAM FOR HYDROGEN SULFIDE REMOVAL

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ABDEHAGH N.; TAGHINEJAD NAMINI M.; HEYDARIAN S.M.; BONAKDARPOUR B.; ZARE D.

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Journal Paper

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Journal: IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE) Year:2011 | Volume:8 | Issue:3 Page(s): 245-254

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Title

PERFORMANCE OF A BIOTRICKLING FILTER EMPLOYING THIOBACILLUS THIOPARUS IMMOBILIZED ON POLYURETHANE FOAM FOR HYDROGEN SULFIDE REMOVAL

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Keywords

BIOTRICKLING FILTER

HYDROGEN SULFIDE

POLYURETHANE FOAM

THIOBACILLUS THIOPARUS

Abstract

The removal of HYDROGEN SULFIDE (H2S) from contaminated airstream was studied in a BIOTRICKLING FILTER (BTF) packed with open-pore POLYURETHANE FOAM as a carrier of THIOBACILLUS THIOPARUS (DSMZ5368) with counter current gas/liquid flows. The effect of operating parameters on BTF performance was studied. Experiments were performed at different Empty Bed Residence Times (EBRT) from 9 to 45 seconds, and different initial H2S concentration from 25 to 85 ppm. The results showed reasonable performance of the BTF, in H2S removal from the synthetic gas stream. However, the performance was somewhat lower than other studies in BTF in which either THIOBACILLUS THIOPARUS with other packings or POLYURETHANE FOAM with other microbial cultures were used. The effect of liquid recirculation rate (LRR) in the range of 175-525 ml/min (0.46-1.34 m/h) on BTF performance was also studied. Results showed that increasing LRR from 175 to 350 mL/min resulted in significant enhancement of H2S removal efficiency, but further increase in LRR up to 525 mL/min had an insignificant effect. H2S elimination at different heights of the bed was studied and it was found that decrease in EBRT results in more homogeneous removal of the pollutant in BTF. Determination of microbial species in the BTF after 100 days performance showed that during BTF operation the only H2S degrading specie was THIOBACILLUS THIOPARUS.

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APA: Copy

ABDEHAGH, N., TAGHINEJAD NAMINI, M., HEYDARIAN, S.M., BONAKDARPOUR, B., & ZARE, D.. (2011). PERFORMANCE OF A BIOTRICKLING FILTER EMPLOYING THIOBACILLUS THIOPARUS IMMOBILIZED ON POLYURETHANE FOAM FOR HYDROGEN SULFIDE REMOVAL. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), 8(3), 245-254. SID. https://sid.ir/paper/570672/en

Vancouver: Copy

ABDEHAGH N., TAGHINEJAD NAMINI M., HEYDARIAN S.M., BONAKDARPOUR B., ZARE D.. PERFORMANCE OF A BIOTRICKLING FILTER EMPLOYING THIOBACILLUS THIOPARUS IMMOBILIZED ON POLYURETHANE FOAM FOR HYDROGEN SULFIDE REMOVAL. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE)[Internet]. 2011;8(3):245-254. Available from: https://sid.ir/paper/570672/en

IEEE: Copy

N. ABDEHAGH, M. TAGHINEJAD NAMINI, S.M. HEYDARIAN, B. BONAKDARPOUR, and D. ZARE, “PERFORMANCE OF A BIOTRICKLING FILTER EMPLOYING THIOBACILLUS THIOPARUS IMMOBILIZED ON POLYURETHANE FOAM FOR HYDROGEN SULFIDE REMOVAL,” IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), vol. 8, no. 3, pp. 245–254, 2011, [Online]. Available: https://sid.ir/paper/570672/en

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