A Study on Solvent Extraction of Metal by Salicylaldoxime

Salicylaldoxime에 의한 금속 추출에 관한 연구

  • Shin, Jeong-Ho (Dept. of Chem. Eng., College of Eng., Pusan National University) ;
  • Park, Sang-Wook (Dept. of Chem. Eng., College of Eng., Pusan National University) ;
  • Park, Dae-Won (Dept. of Chem. Eng., College of Eng., Pusan National University) ;
  • Lee, Kyung-Soo (Dept. of Chem. Eng., College of Eng., Pusan National University) ;
  • Jeong, Kap-Seop (Dept. of Ind. Chem., Dongmyung Junior College)
  • 신정호 (부산대학교 공과대학 화학공학과) ;
  • 박상욱 (부산대학교 공과대학 화학공학과) ;
  • 박대원 (부산대학교 공과대학 화학공학과) ;
  • 이경수 (부산대학교 공과대학 화학공학과) ;
  • 정갑섭 (동명전문대학 공업화학과)
  • Received : 1992.07.10
  • Accepted : 1992.12.10
  • Published : 1993.03.01

Abstract

The kinetic and equilibrium characteristics of copper extraction by salicylaldoxime in chloroform and benzene were investigated. Equilibrium constants such as dissociation constant, distribution coefficient of salicylaldoxime and stability constant, distribution coefficient and molar extinction coefficient of oxime-Cu chelate were determined from absorbance. Extracted species of Cu-chelate were found to be ${\bar{CuR_2}}$. Overall initial extraction rate of copper by salicylaldoxime in chloroform was expressed by the following equation : $R=k[Cu^{2+}]{\bar{[HR]}}^{0.5}/[H^+]^{0.4}$.

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Acknowledgement

Supported by : 한국과학재단