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새로운 염색폐수(染色廢水) 색도(色度) 제거(除去) 백색부후균(白色腐朽菌)의 분리(分離) 및 색도(色度) 제거(除去) 효과(效果)
남윤구,권혁구,이봉준,이장훈,Nam, Youn-Ku,Kwon, Hyuk-Ku,Lee, Bong-Joon,Lee, Jang-Hoon 한국환경보건학회 2006 한국환경보건학회지 Vol.32 No.4
For decolorization of synthetic dyes, One fungus(HUE05-1) which was isolated from textile wastewater collected from industrial complex in Korea showed excellent ability of removing synthetic dyes. This fungus was identified as Basidiomycetes species by Internal Transcribed Spacers (ITS) sequence. Isolated fungi. HUE05-1 completely decolorized all dyes in both solid and liquid condition. The decolorization results were Reactive Orange-16, 97.12%; Reactive Blue-19, 92.09%; Reactive Blue-49, 97.04%; Reactive Yellow-145, 95.53%; Acid Orange-10, 99.18%; Acid Violet-43, 98.73%; Acid Blue-350, 94.71% and Disperse Blue-106, 90.07%.
남윤구 ( Youn Ku Nam ),박우신 ( Woo Shin Park ),이면주 ( Myun Joo Lee ),김탁현 ( Tak Hyun Kim ) 한국공업화학회 2009 응용화학 Vol.13 No.1
In this study, it was examined the effects of the pre-treatment of gamma radiation on composting and pathogen bacteria reduction. It was expected that the strong oxidants would be produced by irradiation and they made a critical role in destructing and/or enfeebling solid materials. For the start-up of the all composting reactor, a feedstock was prepared by pig manure and sawdust material mixed of the C/N rate 25. All reactors were packaged with the 4.5kg feedstock. They were irradiated by a cobalt-60 gamma irradiator at the dose of 0, 3, 5, 10 and 20 kGy. The temperature patterns of composting reactor were not different between irradiated and non-irradiated reactors. The CO2 gases of the irradiated reactors were decreased than non-irradiated reactor. the optimal composting condition was 10kGy irradiation and 10~20% seeding ratio.
이장훈,강병곤,권혁구,정준오,남윤구,Lee, Jang-Hoon,Kang, Byeong-Kon,Kwon, Hyuk-Ku,Jung, Joon-Oh,Nam, Youn-Ku 한국환경보건학회 2005 한국환경보건학회지 Vol.31 No.1
An anti-fungal material produced by actinomycetes was isolated from domestic soil. This actinomycetes was identified as Streptomyces albogriseus by 16S rDNA sequence. YEME (yeast extract 4 g, malt extract 10 g, glucose 4 g, D.W 1l, pH 7.00.2) medium was used for production of anti-fungal materials. S. albogriseus was cultured in a shaking incubator for 2 weeks at 150 rpm and $25^{\circ}C$. An anti-fungal material produced by S. albogriseus was identified at 340 nm by uv/vis- spectrometer and it showed powerful anti-fungal activity. This is the first report that secondary metabolite produced by S. albogriseus showed an activity against phytopathogenic fungi such as Collectrichum coccodes, Botrytis cinerea, Cladosporium cucumerinum, Didymella bryoniae.
양이온 교환막을 이용한 암모니아의 분리 및 생물학적 질산화
박우신 ( Woo Shin Park ),남윤구 ( Youn Ku Nam ),이면주 ( Myun Joo Lee ),김탁현 ( Tak Hyun Kim ) 한국공업화학회 2009 응용화학 Vol.13 No.1
A novel biological nitrification system was designed. It consists of two chambers separated by a cation exchange membrane. One is an anaerobic fermentation reactor and the other is a biological nitrification reactor. A wastewater is fed into the anaerobic reactor and the ammonia moves to the nitrification reactor via the cation exchange membrane. The ammonia is oxidized to nitrate by nitrifying bacteria in the nitrification reactor. In a conventional process, organics are removed in an anaerobic fermentation reactor and then the ammonia is subsequently oxidized in a nitrifying reactor. Therefore, the total process requires a long period of time and the residual organics inhibit the efficiency of the nitrification. In this system, the ammonia is independently oxidized since the cation exchange membrane allows not the organics but the ammonia to move into the nitrification reactor.