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이영남,Lee, Yeong-Nam 대한병원협회 1984 대한병원협회지 Vol.13 No.11
심신이 허약한 환자의 위생적인 식사관리가 병원에서 주요한 관심사가 되고있다. 이는 음식물에 대한 병원균의 감염이 건장한 사람보다 환자에 대해 감염율이 높기 때문이다. 따라서 환자의 위생적인 문제에 보다 많은 배려와 함께 환자의 식이를 담당하는 책임자의 철저한 관리가 요망되고 있다.
‘벤처 재도약’릴레이 기고문(3)-문화콘텐츠 강국의 해답'여성인력 활용'
이영남,Lee, Yeong-Nam 벤처기업협회 2004 벤처다이제스트 Vol.61 No.-
‘문화의 시대’라 말하는 21세기를 맞아 다양한 문화콘텐츠가 경제적 가치를 창출하고 있다. 150만대의 자동차를 수출해서 얻는 이익보다 스티븐 스필버그의‘쥬라기공원’이 벌어들인 액수가 많다는 것은 이미 널리 알려진 이야기이다. 최근 여성의 사회진출이 확대되면서 감성을 필요로 하는 이 문화콘텐츠분야가 새로운 전기를 맞고 있다. 한국여성벤처협회 이영남 회장에게서 여성인력의 활용방안과 문화콘텐츠 강국으로 가는 해답을 들어보자.
산성광산배수 처리를 위한 산업부산물 소재 다기능성 세라믹의 적용 가능성 연구
이영남(Yeong-Nam Lee),임수빈(Soo-Bin Yim) 한국지반환경공학회 2017 한국지반환경공학회논문집 Vol.18 No.12
본 연구에서는 천연 제올라이트와 제강전로슬래그를 혼합 · 소성한 ZS 세라믹을 이용한 산성광산배수 내 중금속 및 황산이온의 제거 특성을 파악함으로써 산성광산배수 처리를 위한 ZS 세라믹의 적용 가능성을 평가하고자 하였다. 펠렛형 ZS(Zelolite-Slag) 세라믹을 이용한 회분식 실험에서 ZS 세라믹 내 천연 제올라이트에 대한 제강전로슬래그의 배합비가 증가할수록 중금속 제거효율 및 황산이온의 제거효율은 증가하였다. ZS 세라믹의 결합력 및 알칼리 공급능력, 중금속 및 황산이온 제거능력, 에너지 비용 측면에서 평가할 때 산성광산배수의 처리를 위한 ZS 세라믹의 최적의 제작 조건은 Z:S 배합비 1:2∼1:3, 소성온도 600∼800℃, 소성시간 2시간인 것으로 파악되었다. 최적의 조건에서 제작된 ZS 세라믹에 의한 산성광산배수 처리 실험결과 중금속(Al, As, Cd, Cu, Fe, Mn, Pb, Zn)은 거의 100%에 가까운 매우 높은 제거효율을 얻을 수 있었으며, 황산이온에 대해서는 77.1%의 제거효율을 나타내고 있었다. 본 연구의 실험결과를 통해 판단해 볼 때 천연 제올라이트와 제강전로슬래그를 혼합 · 소성한 ZS 세라믹은 산성광산배수의 효과적인 처리제로서 적용될 가능성이 높을 것으로 기대된다. This research was conducted to investigate the removal characteristics of heavy metals and sulfate ion from acid mine drainage (AMD) by multi-functional zeolite-slag ceramics (ZS ceramics), in which natural zeolite and converter slag were mixed and calcined at high temperature. The batch test showed that the removal efficiency of heavy metals by pellet-type ZS ceramics increased as the mixing weight ratio of converter slag to natural zeolite increased. The optimal mixing ratio of natural zeolite to converter slag for the removal of heavy metals and sulfate ion from AMD was observed to be 1:2∼1:3. The adequate calcination temperature and time of ZS ceramics for the treatment of AMD were found to be 600∼800℃ and 2 hours, respectively. The removal test of heavy metals and sulfate ion from AMD by the ZS ceramics prepared in optimal condition exhibited very high removal efficiencies close to 100% for all heavy metals (Al, As, Cd, Cu, Fe, Mn, Pb, Zn) and 77.1% for sulfate ion. The experimental results in this study revealed that the ZS ceramics could function as an effective agent for the treatment of AMD.
다공성 Zeolite-Slag 세라믹 충진 컬럼을 이용한 일광광산 산성광산배수의 처리에 미치는 영향인자 및 운전조건 연구
이영남 ( Yeong-nam Lee ),임수빈 ( Soo-bin Yim ) 한국수처리학회 2021 한국수처리학회지 Vol.29 No.1
This study was performed to identify the influencing factors and operating conditions on the treatment of acid mine drainage(AMD) from the Il-kwang mine by porous Zeolite-Slag(ZS) ceramics packed in a column reactor. The hydraulic retention time(HRT) of the column reactor was a pivotal operating condition. Additionally, the mixing ratio of zeolite to slag (Z:S) significantly affected the column’s alkali supply capacity and heavy metal removal efficiency. An HRT of 1.0 day was more effective than 0.5 day HRT in terms of alkali supply capacity and heavy metal removal efficiency. The heavy metal removal efficiency of the 1:3 (Z:S) porous ZS ceramics was higher than that of the 1:1 (Z:S). The average heavy metal removal efficiencies of the 1:3 (Z:S) in a continuous column reactor (1.0 day HRT, 31 operating days) were 92.4%, 86.3%, 96.5%, 99.2%, 96.1%, 89.3%, 98.9% and 93.7%, for Al, As, Cd, Cu, Fe, Mn, Pb, and Zn, respectively. These results suggest that a porous 1:3 (Z:S) ceramic column reactor at an HRT of 1.0 day might be an effective long-term treatment strategy for AMD from the Il-kwang mine.
목분 기포제를 이용한 산업부산물 소재 다공성 세라믹에 의한 산성광산배수의 처리특성 연구
이영남 ( Yeong-nam Lee ),임수빈 ( Soo-bin Yim ) 한국환경과학회 2018 한국환경과학회지 Vol.27 No.2
This study was conducted to investigate the removal characteristics of heavy metals and sulfate ion from acid mine drainage by porous zeolite-slag ceramics (ZS ceramics) that was prepared by adding wood flour as pore-foaming agent while calcining the mixtures of natural zeolite and converter slag. The batch test showed that the removal efficiency of heavy metals by pellet-type porous ZS ceramics increased as the particle size of wood flour was decreased and as the weight mixing ratio of wood flour to ZS ceramics was increased. The optimal particle size and weight mixing ratio of wood flour were measured to be 75 ㎛ and 7∼10%, respectively. The removal test with the porous ZS ceramics prepared in these optimal condition showed very high removal efficiencies: more than 98.4% for all heavy metals and 73.9% for sulfate ion. Relative to nonporous ZS ceramics, the increment of removal efficiency of heavy metals by porous ZS ceramics with 75 ㎛ and 10% wood flour was 5.8%, 60.5%, 36.9%, 87.7%, 10.3%, and 57.4% for Al, Cd, Cu, Mn, Pb, and Zn, respectively. The mechanism analysis of removal by the porous ZS ceramics suggested that the heavy metals and sulfate ion from acid mine drainage are eliminated by multiple reactions such as adsorption and/or ion exchange as well as precipitation and/or co-precipitation.
일광광산 산성광산배수 처리를 위한 Zeolite-Slag 세라믹에 대한 기초연구
이영남 ( Yeong-nam Lee ),임수빈 ( Soo-bin Yim ) 한국수처리학회 2020 한국수처리학회지 Vol.28 No.1
This study investigated the characteristics of Zeolite-Slag ceramics (ZS ceramics) for the treatment of acid mine drainage from Il-kwang Mine(Il-kwang Mine drainage). The concentration of heavy metals in Il-kwang Mine drainage have been observed as elevated in spring and summer seasons with high precipitation. The batch test showed that a mixing ratio of zeolite to slag, a calcination temperature, a mixing concentration of wood flour could influence the removal of Il-kwang Mine drainage. Optimal conditions for the drainage treatment were found to be 1:1∼1:3 mixing ratio of zeolite to slag, 800℃ of calcination temperature, and a 10% of mixing ratio of wood flour. In kinetic test, the heavy metals Al, As, Cd, Cu, Fe, Pb and Zn(except for Mn) were eliminated rapidly, most within five hours of reaction time. Moreover, the removal efficiency of heavy metals by ZS ceramics increased as the dose of ZS ceramics increased. When prepared in the optimal condition, the ZS ceramics showed very high removal efficiencies for heavy metals such as Al 99.9%, As 96.0%, Cd 99.9%, Cu 99.8%, Fe 99.7%, Pb 96.9% and Zn 98.2%. The Mn results were slightly less at 81.4%.