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活性炭을 利用한 CYANIDE錯陰이온의 吸着特性에 關한 硏究
李時元,金達漢 부산교육대학교 과학교육연구소 1991 科學敎育硏究 Vol.16 No.-
The adsorption characteristics of complex anion compose of cadmium ion and cyanide ion on activated carbon from coconut shell by steam activation has been studied. From the adsortion of cadmium ion on activated carbon in the presence of cyanide ion, it was found that the following results; 1) Cadmium ion was adsorbed on activated carbon in the from of complex anion such as Cd (CN)_4^(2-). 2) The adsorption of cadmium cyanide compex anion was governed primarily by pCN and amount of adsorption increase with increaing cyanide ion : Cd^(2+) ratio. 3) In the case of lower concentration, the adsorption isotherms were found to conform with the Freundlich equation, but the other range was approximately expressed by q = 1.97C/1+0.45C^0.8
손진언,김달한,후루야에이지,조영삼,이성식,야마시타세이치 東亞大學校 大學院 1991 大學院論文集 Vol.16 No.-
Uptake curves were obtained for p-nitrophenol/XAD-2000 resin system using a shallow-bed method for various concentration ranges at 298.2K. Distilled water was employed as solvent. The values of effective intraparticle diffusivity were detrermined by comparing experimental and theoretical uptake curves. The values obtained for solvent i. e, distilled water system was not dependent on the amount adsorbed in the higher concentration range. Those results shows that, except in the region where there is a low adsorbed amount, and adsorber packed with macrorecticular resin particles can be designed using a traditional pore diffusion model.
孫晋彦,金達漢,金弘龍,李秉瑄 東亞大學校 大學院 1989 大學院論文集 Vol.14 No.-
Experiments and theoretical analysis of the adsorption of phenols in the fixed bed column packed with activated carbon were performed and following results were obtained. 1. Experimental results shows good agreement with theoretical model on the adsorption of phenols in the fixed bed column. 2. In the adsorption column, particle size has critical effect on the break point compared with flow rate and height of bed. 3. Theoretical model established in this experiment can estimate the optimum values of various factors. 4. Domestic activated carbon has nearly same amount of adsorption as imported activated cabon. 5. Equilibrium relationships and diffusion coefficients from the experiments on the nitrophenols also showed good agreement with those from theoretical model.