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http://dx.doi.org/10.7844/kirr.2016.25.6.65

A Selective Recovery Condition of Vanadium from Fly Ash Leach Liquor by UV-Spectrophotometry  

Kim, Da-Bin (Dept. of Chemical and Biological Engineering, Seokyeong University)
Na, Su-Bin (Dept. of Chemical and Biological Engineering, Seokyeong University)
Han, Hyea-Chul (Dept. of Chemical and Biological Engineering, Seokyeong University)
Publication Information
Resources Recycling / v.25, no.6, 2016 , pp. 65-72 More about this Journal
Abstract
We studied a selective recovery condition of vanadium (V) from FALL (Fly Ash Leach Liquor) produced at a fossil fuel power station using heavy oil. By applying a spectroscopy to quantify the V in a sample, we identified a concentration range V interfered by on presence of metals such as Ni, Fe Also, the optimal vanadium precipitation rate according to the amount of 5.0M $NH_3$ loaded to the sample, solution pH and stirring time. As a result of the experiment, the maximum selective recovery ratio of V was achieved to be higher than 91.5% when the stirring duration was less than 1 minute at pH 7.0, and $25^{\circ}C$.
Keywords
fly ash leach liquor; selective recovery; UV-Spectorophotometry; vanadium; $NH_3$; stirring Time;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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