Oxidation of hydrogen sulfide in biogas using dissolved oxygen in the extreme acidic biofiltration operation.
作者： Boonya Charnnok , Thunwadee Suksaroj , Piyarat Boonswang , Sumate Chaiprapat
DOI: 10.1016/J.BIORTECH.2012.12.114
关键词:
摘要: Abstract This work aimed to investigate the interactive effects of empty bed retention time ( EBRT ), specific hydraulic loading rate q ) and initial pH (pH i aerated recirculating liquid remove H 2 S in extreme acidic biofiltration. Biogas containing 6395 ± 2309 ppm CH 4 79.8 ± 2.5% was fed biofilter as high dissolved oxygen swung between 0.5. Response surface methodology employed that gave removal relationship model with R 0.882. The predicted highest within studied parameter ranges 94.7% at 180.0 s, 4.0 m 3 /m /h 3.99. Results from separate runs a random condition were not statistically different prediction, signifying validity model. Additionally, content exit biogas increased by 4.7 ± 0.4%. Acidithiobacullus sp. predominance consortia this confirmed DGGE.
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