DC Field | Value | Language |
---|---|---|
dc.contributor.author | 신항식 | ko |
dc.contributor.author | 김구용 | ko |
dc.contributor.author | 이채영 | ko |
dc.date.accessioned | 2013-03-02T19:07:15Z | - |
dc.date.available | 2013-03-02T19:07:15Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 2000-06 | - |
dc.identifier.citation | 상하수도학회지, v.14, no.2, pp.196 - 206 | - |
dc.identifier.issn | 1225-7672 | - |
dc.identifier.uri | http://hdl.handle.net/10203/75064 | - |
dc.description.abstract | Methanogenesis and denitrification in an upflow sludge baff1ed filter (UBF) reactor were studied using glucose as a fermentative substrate. Experiments were carried out to investigate how to reduce ammonfication by changing alkalinity and COD/NO3-N ratio. Characteristics of granular sludges were examined by specifics methanogenic activity (SMA) and specific denitrification rate (SDR) tests. Microstructures of granules were examined using a scanning electron microscopy(SEM)It was found that COD was removed efficiently owing to the diverse microorganisms. In nitrate conversion, not only COD/NO3-N ratio but also influent alkalinity played important role in the ratio of denitrification and ammonification of nitrate. This reactor achieved over 95% COD and 99% nitrate removal efficiencies when influent contained 4000 mgCOD/L and 700 mgNO3-N/L at the hydraulic retention timeof 24 hours. As COD/NO3-N ratio decreased, granular methanogenic activities using acetate and butyrate as substrates increased while activities using propionate and glucose decreased. There were three types in granules according to the surface color; gray, yellowish gray, and black. Gray or yellowish gray-colored granules were composed two layers, which were composed of black inner side and gray or yellowish gray surface substances. SEM i1lustrated that both were rod-type and cocci-type microorganisms resembling Methanothrix sp. and Methanococci sp. This study showed that by control1ing the influent alkalinity and COD/NO3-N ratio, ammonification and denitrification could be manipulated. | - |
dc.language | Korean | - |
dc.publisher | 대한상하수도학회 | - |
dc.title | Hybrid type 반응조에서의 혐기성 슬러지의 탈질(II): 기질이 글루코스인 경우 | - |
dc.title.alternative | Denitrification of Anaerobic Sludge in Hybrid Type Anaerobic Reactor(II): Glucose as Substrate | - |
dc.type | Article | - |
dc.type.rims | ART | - |
dc.citation.volume | 14 | - |
dc.citation.issue | 2 | - |
dc.citation.beginningpage | 196 | - |
dc.citation.endingpage | 206 | - |
dc.citation.publicationname | 상하수도학회지 | - |
dc.contributor.localauthor | 신항식 | - |
dc.contributor.nonIdAuthor | 김구용 | - |
dc.contributor.nonIdAuthor | 이채영 | - |
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