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주창식 釜山工業大學 1987 論文集 Vol.29 No.-
Cr(Ⅵ) separation by supported liquid membrane was performed in batch and flow cells. TOA and TOYO ROCHI's glass fiber filter paper were employed as carrier and supporter, respectively. The supporter used in this stydy showed more or less small mass transfer coefficients, but retained good membrane durability. From the experiments, it's turned out that the mechanism of this process is co-transfer mechanism and the optimum conditions are PH-1.6, Cn=5vol%.
지지막을 이용하는 회분 액막 추출기에 의한 수용액 중의 아연이온 분리
주창식,천재기,하홍두 한국화학공학회 2000 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.38 No.1
지지막을 이용하는 회분 액막 추출기를 사용하여 수용액 중의 아연이온을 분리하였다. 액막 추출기는 액막과 두 개의 수용액상(추출상과 회수상)으로 구성된다. 액막으로는 D₂EHPA를 케로신에 30 vol%로 희석시킨 용액을 사용하며, 두 장의 미세공을 가진 친유성 지지막에 의해 양측의 두 수용액상과 격리된다. 추출상으로는 pH를 조절한 아연 수용액을 사용하였고, 회수상으로는 황산 수용액을 사용하였다. 이 액막 추출기는 수용액 중의 아연이온을 지속적이고 효과적으로 분리하였다. 아연의 분배계수와 추출기 내에서의 아연이온 분리속도에 미치는 조작변수들의 영향을 실험적으로 조사하였으며, 이를 바탕으로 초기 분리속도와 조작변수 사이의 실험식을 얻었다. Separation of zinc ion from aqueous solutions by batch liquid membrane permeator with two micro-porous films was studied. The permeator consisted of a liquid membrane and two cells for aqueous solutions. The liquid membrane consisted of D₂EHPA(di-2-ethylhexyl-phosphoric acid), diluted to 30 vol% with kerosine and trapped between two micro-porous hydrophilic films, as the carrier. This liquid membrane separated two aqueous solutions, one of which was the extraction solution containing zinc ion and the other of which was the stripping solutions consisting of H₂SO₄solution. The permeator separated zinc ion from aqueous solutions effectively. The effect of operating parameters on the distribution coefficient of zinc ion and separation velocity of zinc ion were examined on the basis of the experimental results.
주창식 釜山工業大學校 1983 論文集 Vol.24 No.2
Lighthill's mathematical analysis on the drift line for irrotational flow past solid sphere is regarded as a convenient one. Using the Lighthill's result, a hydrodynamic analysis on the drift line of the bubble rising through the liquid media, with the analysis of bubble rising velocity and shape, was tried. The analysis was based on the experimental data obtained at the two liquid interface, and the experimental method, was the same that was prescribed in the previous papers.