Ammonia and Hydrogen Sulfide Removal from Swine House Exhaust Air Using a Dip Injection Wet Scrubber

Myeongcheol  Shin; Seunghun Lee; Jisoo  Wi; Heekwon  Ahn

doi:10.7745/KJSSF.2017.50.6.615

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Ammonia and Hydrogen Sulfide Removal from Swine House Exhaust Air Using a Dip Injection Wet Scrubber

December 2017. pp. 615-622

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Abstract

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 NH₃removal 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 theNH₄⁺ 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. TheNH₄⁺ concentration and the electrical conductivity (EC) showed a high correlation. The EC measurement can be used as an alternative to conventionalNH₄⁺ concentration measurement method for real time monitoring of washing fluid condition.

The ammonia and hydrogen sulfide average removal efficiencies of dip injection wet scrubber ranged from 26% to 37% and from 22% to 30%, respectively.

Keywords

Dip injection wet scrubber

Odor

Ammonia

Hydrogen sulfide

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Information

Publisher :Korean Society of Soil Science and Fertilizer
Publisher(Ko) :한국토양비료학회
Journal Title :Korean Journal of Soil Science and Fertilizer
Journal Title(Ko) :한국토양비료학회 학회지
Volume : 50
No :6
Pages :615-622
Received Date : 2017-10-22
Revised Date : 2017-11-15
Accepted Date : 2017-11-16
DOI :https://doi.org/10.7745/KJSSF.2017.50.6.615

Korean Journal of Soil Science and Fertilizer ISSN:0367-6315(Print) 2288-2162(Online) 한국토양비료학회 학회지

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