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A chemical–biological process was performed to remove a high concentration of H 2 S in biogas. The high iron concentration tolerance (20gL −1 ) of Acidithiobacillus ferrooxidans CP9 provided sufficient ferric iron level for stable and efficient H 2 S elimination. A laboratory-scale apparatus was setup for a 45 d operation to analyze the optimal conditions. The results reveal...
A pilot-scale chemical–biological process was performed efficiently to remove corrosive H 2 S from biogas. Consecutive 356-d livestock biogas purification was conducted at various H 2 S loading rates. The average inlet H 2 S concentration was 3542ppm, and a removal efficiency of 95% was achieved with gas retention time of 288s. This system showed robust performance during operation...
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