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http://dx.doi.org/10.7844/kirr.2012.21.1.041

A Study on the Behavior of Boron Extraction from Brine by Diol-type Extractant  

Yoon, Mi-Hee (Technology Research Institute, Korea Resources Corporation)
Kang, Dong-Jun (Technology Research Institute, Korea Resources Corporation)
An, Jeon-Woong (Technology Research Institute, Korea Resources Corporation)
Min, Dong-Joon (Department of Materials Science and Engineering, Yonsei University)
Publication Information
Resources Recycling / v.21, no.1, 2012 , pp. 41-48 More about this Journal
Abstract
A study on the behavior of boron extraction by TMPD(2,2,4-trimethyl-1,3-pentanediol) was carried out to find the optimum conditions for the boron extraction from brine. In case of boron extraction from 0.736 g/L boron-containing brine, typical optimum extractive conditions would be confirmed to be 0.75 mol/L of extractant concentration at 3.0 pH of brine with 1 of phase ratio and 20 min. of shaking time at 298 K respectively. And 1 mol/L sodium hydroxide of stripping agent was shown above 99 % of boron extraction and stripping efficiencies. Also, extraction equilibrium equation were obtained through experiments as follows : log D = 1.7 log $[TMPD]_O$ + constant at pH < 6.
Keywords
brine; boron; solvent extraction; diol-type extractant; 2,2,4-trimethyl-1,3-pentanediol;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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