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Comparison of Removal Efficiencies in Single and Duplex Ventilation Constructed Wetland Systems for Treating Domestic Sewage
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 Title & Authors
Comparison of Removal Efficiencies in Single and Duplex Ventilation Constructed Wetland Systems for Treating Domestic Sewage
Seo, Dong-Cheol; Lim, Seok-Cheon; Jo, In-Seong; Lee, Byeong-Ju; Lee, Hong-Jae; Kim, Sang-Don; Lee, Jun-Bae; Cho, Ju-Sik; Heo, Jong-Soo;
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 Abstract
To develop environmentally friendly constructed wetlands(CWs) for treating domestic sewage which was produced in farming and fishing village, the efficiency of water treatment at different ventilation systems in the vertical bed, depths of horizontal bed, and sewage loads was investigated. In the vertical bed, BOD and COD by duplex ventilation system were lower than those by single ventilation system. But T-N and T-P concentrations by both ventilation systems in the vertical bed were little different. In the horizontal bed, BOD, COD, T-N and T-P in 1.0 m and 1.3 m depths were little different. To reduce the CWs` area and to improve the pollutant removal efficiencies, the optimum depth of horizontal bed was 1.3 m. In single and duplex ventilation CWs, the removal rate of BOD, COD, SS, T-N and T-P decreased slightly with the sewage load increases. In same sewage load conditions, the removal rates of BOD, COD, SS, T-N and T-P by duplex ventilation CWs were higher than those by single ventilation CWs. In summary, to effectively treat domestic sewage from farming and fishing village, the optimum constructed wetlands would be the duplex ventilation CWs.
 Keywords
Constructed wetland;Duplex ventilation;Horizontal bed;Sewage treatment;Single ventilation;Vertical bed;
 Language
Korean
 Cited by
1.
동화습지의 갈대 침수줄기에 서식하는 부착규조군집의 생태학적 특성,김백호;박영석;김용재;

생태와환경, 2010. vol.43. 1, pp.91-102
2.
생태적 인공습지를 이용한 회야댐 수질개선에 관한 연구,이상현;조윤철;

한국습지학회지, 2011. vol.13. 3, pp.489-497
3.
수초.골재 하수처리공법의 질산화와 탈질,박종석;강재홍;

수처리기술, 2011. vol.19. 2, pp.77-85
1.
Long-term performance of vertical-flow and horizontal-flow constructed wetlands as affected by season, N load, and operating stage for treating nitrogen from domestic sewage, Environmental Science and Pollution Research, 2016, 23, 2, 1108  crossref(new windwow)
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