Design of flow through continuous deionization system for indium recovery
| Autor: | Taek Sung Hwang, Min Ho Jeong, Young Joong Kim, Chi Won Hwang |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Flow (psychology)
Analytical chemistry chemistry.chemical_element Filtration and Separation 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Decomposition 0104 chemical sciences Analytical Chemistry Ion Volumetric flow rate Membrane chemistry Desorption Current (fluid) 0210 nano-technology Indium |
| Zdroj: | Separation and Purification Technology. 176:200-207 |
| ISSN: | 1383-5866 |
| DOI: | 10.1016/j.seppur.2016.11.066 |
| Popis: | This study aims to evaluate the effect of selected variables on the indium ion desorption process using indium absorbent (VSB-5) and the FT-CDI (flow through continuous deionization) system. The number of bipolar membrane sheets, pH, voltage and relative flow rates are optimized as variables. The research findings show that desorption began at a pH of 3 and the desorption rate was dependent on the pH. More than 6.0 V was required to decrease the pH by water decomposition, and the current efficiency was highest at 6.5 V. The final desorption rate was higher when the flow rate of the desorption chamber was lower than the flow rate of the concentration chamber. The desorption efficiency of the electrical process was higher than that of the chemical process at the same pH. |
| Databáze: | OpenAIRE |
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