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Facilitated Transport of Cr(VI) through a Supported Liquid Membrane with a Carrier
- 언어ENG
- URLhttps://db.koreascholar.com/Article/Detail/257410
4,200원
한국응용과학기술학회지
(The Korean Society of Applied Science and Technology)
Vol.20 No.2 (2003.06)
pp.154-164
pp.154-164
한국응용과학기술학회(구 한국유화학회)
(The Korean Society of Applied Science and Technology (KSAST))
초록
This paper has applied a simple model to the mass transfer mechanism of Cr(VI) with crownether in a batch-type, supported liquid membrane module. Concentration at pH 3 are as follows : 0.012 kmol/m3≤18-crown-6≤0.036 kmol/m3 and 20 g/m3≤ Cr(VI)≤500 g/m3. The measured values of forward- and backward-reaction rate constants between Cr(VI) and 18-crown-6 were used to simulate the model with the mass conservation equation and associated boundary conditions. Comparison between the experimental and simulated facilitated factor of Cr(VI) transport led to classification of reaction regions.
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