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Ammonia and Hydrogen Sulfide Removal from Swine House Exhaust Air Using a Dip Injection Wet Scrubber
Myeongcheol Shin,Seunghun Lee,Jisoo Wi,Heekwon Ahn 한국토양비료학회 2017 한국토양비료학회지 Vol.50 No.6
This study was conducted to evaluate the odor reduction efficacy of the dip injection wet scrubber (DIWS) using tap water as washing fluid. The NH₃ and H₂S removal efficiency of 7 day batch operated DIWS was evaluated twice over a total of 14 days of experiment. The NH3 removal efficiency ranged from 26 to 37%. The H₂S removal efficiency was between 22 and 30%. The pH of the washing fluid maintained below 8 and the NH₄<SUP>+</SUP> concentration tended to keep constant around 350 ppm after 5 days of washing-fluid replacement. Therefore, the 5-day washing fluid replacement interval is more preferable than the 7-day interval. The NH₄ <SUP>+</SUP> concentration and the electrical conductivity (EC) showed a high correlation. The EC measurement can be used as an alternative to conventional NH₄ <SUP>+</SUP> concentration measurement method for real time monitoring of washing fluid condition.
Ammonia and Hydrogen Sulfide Removal from Swine House Exhaust Air Using a Dip Injection Wet Scrubber
Shin, Myeongcheol,Lee, Seunghun,Wi, Jisoo,Ahn, Heekwon 한국토양비료학회 2017 한국토양비료학회지 Vol.50 No.6
This study was conducted to evaluate the odor reduction efficacy of the dip injection wet scrubber (DIWS) using tap water as washing fluid. The $NH_3$ and $H_2S$ removal efficiency of 7 day batch operated DIWS was evaluated twice over a total of 14 days of experiment. The $NH_3$ removal efficiency ranged from 26 to 37%. The $H_2S$ removal efficiency was between 22 and 30%. The pH of the washing fluid maintained below 8 and the $NH_4{^+}$ concentration tended to keep constant around 350 ppm after 5 days of washing-fluid replacement. Therefore, the 5-day washing fluid replacement interval is more preferable than the 7-day interval. The $NH_4{^+}$ concentration and the electrical conductivity (EC) showed a high correlation. The EC measurement can be used as an alternative to conventional $NH_4{^+}$ concentration measurement method for real time monitoring of washing fluid condition.
Ammonia and Hydrogen Sulfide Removal from Swine House Exhaust Air Using a Dip Injection Wet Scrubber
신명철,이승훈,위지수,안희권 한국토양비료학회 2017 한국토양비료학회지 Vol.50 No.6
This study was conducted to evaluate the odor reduction efficacy of the dip injection wet scrubber (DIWS)using tap water as washing fluid. The NH3 and H2S removal efficiency of 7 day batch operated DIWS wasevaluated twice over a total of 14 days of experiment. The NH3 removal efficiency ranged from 26 to 37%. The H2S removal efficiency was between 22 and 30%. The pH of the washing fluid maintained below 8 andthe NH4+ concentration tended to keep constant around 350 ppm after 5 days of washing-fluid replacement. Therefore, the 5-day washing fluid replacement interval is more preferable than the 7-day interval. The NH4+concentration and the electrical conductivity (EC) showed a high correlation. The EC measurement can beused as an alternative to conventional NH4+ concentration measurement method for real time monitoring ofwashing fluid condition.