Abstract
To remove hydrogen sulfide biologically, a three phase fluidized bed bioreactor was used in whichThiobacillus sp.IW was immobilized on biosands. The optimum operating condition of the bioreactor was found to be 30 ‡C, pH 7, bed height of 0.85–1.0 m and aspect ratio of 1.0. At these conditions, the bioreactor removed more than 88 % of the hydrogen sulfide for an inlet concentration of 30–160 ppm and a gas flow rate of 2–5 Z/m. The maximum removal rate obtained was about 1,000 mg H2S/min. In continuous operation of the bioreactor, the removal efficiency remained at 99 % for up to 16 hours and decreased to 91 % at 52 hours.
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Oh, KJ., Seo, MH., Son, HJ. et al. Removal of hydrogen sulfide in a three phase fluidized bed bioreactor. Korean J. Chem. Eng. 15, 177–181 (1998). https://doi.org/10.1007/BF02707070
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DOI: https://doi.org/10.1007/BF02707070