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鈴木基之 嶺南大學校 環境問題硏究所 1991 環境硏究 Vol.10 No.2
최근에 人間活勳이 大規模化 및 高密度化 되어감에 따라 지금까지 비교적 安定하다고 생각되였던 地球環境이 여러면에서 急速한 變化를 가져왔으며, 그 變化가 人類의 生存基盤마저도 위협하게 되었다. 그 때문에 地球環境問題는 다음 世紀로 向하는 人類가 總力을 더욱 기울여 대처하여야 할 매우 중요한 緊急課題로 國際的인 關心을 모으게 되었으며, 이것이 政治, 大衆媒體의 중요논제가 되고 있다.
李時元,孫晋彦,鈴木基之 東亞大學校 大學院 1989 大學院論文集 Vol.14 No.-
Activated carbon fiber(ACF) is an attractive adsorbent since it has a high specific external surface area like powdered activated carbon but is easier to handle since it is easily separated from fluid. Also since fiber radius is as small as about ten microns, intra-fiber diffusion of adsorbate cannot be the rate determining step even in liquid phase absorption and then it might provide a broad field of application in the water treatment area as well as in gas adsorption. When ACF is applied to water treatment, high external surface area provides a good environment for attached growth of bacteria and then an cooperative effect of adsorption and bacterial reaction may be emphasized. The adsorption equilibrium constant were determined from the first moments of the pulses and the second moments shelved that the axial dispersion was a controlling mechanism in broadening of the peaks. It is suggested that for biological activated carbon fiber there is a large contribution of bacterial activity to the adsorption equilibrium constant. Rate determining step in an ACF bed was the longitudinal dispersion of adsorbate in the column. Axial dispersion coefficient,?? was determined to be in proportional to flow rate and Pe=??independent of existence of bacteria, where ?? is the diameter of ACF.
Adsorption and Desorption Process for Recovering Uranium in Sea Water
Motoyuki Suzuki(鈴木基之) 한국해양공학회 1987 韓國海洋工學會誌 Vol.1 No.2
數年前부터 우라늄資源으로서 海水中의 低濃度우라늄(3.34×10<SUP>-3</SUP> ㎎/ℓ)을 回收하기 위하여 아미드옥심 樹脂를 吸着濟로 擇하여 吸着濃縮回收하는 方法이 가장 理想的이라고 알려져 있다. 그러나 아직 有用한 농축프로세스나, 그 흡착평형 및 흡착속도 그리고 탈착회수에 대한 연구가 만족스럽지 못한 實情이다.<br/> 본 연구는 먼저 海水中에서 아미드옥심수지에 의한 우라늄흡착속도와 흡착평형특성을 결정하였고, 실제로 4개월간 해수와 접촉흡착시킨 아미드옥심수지를 充塡한 긴 管吸着裝置로 부터 濃鹽酸法으로 9000㎎/ℓ까지 농축된 우라늄을 脫着溶離시켰으며 數學的 모델에 의하여 그 管內의 2차농축메카니즘을 究明하였다.<br/> 또한 波力을 이용하여 吸着樹脂와 바다물의 接觸方法과 프로세스의 기초적 특성을 조사하기 위하여 波力시뮤레이터를 製作하여 移動床管內에서의 수지粒子와 波動에 의한 流動現象을 觀測하였다. 파랑운동의 상태에 따른 樹脂粒子의 特性을 기초로 하여 장치내의 流動限界 및 펌핑가능성에 대하여 檢討하였다. 따라서 본 연구 결과가 海水 우라늄의 흡착 농축회수법개발에 기여될 것으로 展望된다.
纖維狀活性炭(ACF)을 이용한 液相吸差칼럼의 混合擴散에 관한 硏究
孫晋彦,鈴木基之,李時元 釜山敎育大學 1988 부산교육대학 논문집 Vol.24 No.1
As for ACF the adsorption rate is at high speed, because its fiber radius is small and its specific external surface area is large. But the adsorption tower design is necessary enough to study for its great price. This thesis is the experimental study of mixing diffusion in determining factor during the liquid phase adsorption on ACF packing layer.
孫晋彦,鈴木基之 동아대학교 환경문제연구소 1987 硏究報告 Vol.10 No.1
Liquid phase adsorption of dextrose solution on the activated carbon fiber(ACF) was measured by chromatographic method in a packed column. Adsorption equilibrium constant, K_(a) was found to be 73㎤/g on ACF without bacteria growth, while in the bacterial ACF packed column K_(a) was 113㎤/g. It is suggested that for biological activated carbon fiber there is a large contribution of bacterial activity to the adsorption equilibrium constant. Rate determining step in and ACF bed was the longitudinal dispersion of adsorbate in the column. Axial dispersion coefficient, E_(z) was determined to be in proportional to flow rate and Pe=d_(p)u/E_(z)=0.0066 independent of existence of bacteria, where d_(p) is the diameter of ACF.