Resources Recycling (자원리싸이클링)

The Korean Institute of Resources Recycling (한국자원리싸이클링학회)
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Electrowinning of Tin from Acidic Chloride Effluents by Cyclone type Electrolytic Cell

염산용액에서 사이클론형 전해방식에 의한 주석의 전해채취

  • Cho, Yeon-Chul (Department of Advanced Materials Sci. & Eng., Daejin University) ;
  • Kang, Myeong-Sik (Department of Advanced Materials Sci. & Eng., Daejin University) ;
  • So, Hong-Il (Department of Advanced Materials Sci. & Eng., Daejin University) ;
  • Lee, Joo-Eun (Department of Advanced Materials Sci. & Eng., Daejin University) ;
  • Ahn, Jae-Woo (Department of Advanced Materials Sci. & Eng., Daejin University)
  • Received : 2017.05.24
  • Accepted : 2017.06.12
  • Published : 2017.06.30
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Abstract

Cyclone electrowinning method was used to recover tin to metal in hydrochloric acid solution. The effects of flow rate, current density, tin concentration, and hydrochloric acid concentration on the electrowinning of tin were investigated. As the flow rate increased and the concentration of tin and hydrochloric acid decreased, the tin recovery and current efficiency increased. As the current density increased, the recovery rate increased but the current efficiency decreased. Tin can be effectively recovered at flow rates of 18 L/min., $3A/dm^2$, 2.5 g/L Sn, and 5 wt.% HCl.

염산 용액에서 주석을 금속으로 회수하기 위하여 사이클론 전해채취 방식을 사용하였다. 주석의 전해채취에 미치는 영향을 고찰하기 위하여 유속, 전류밀도, 전해액 중 주석 농도, 염산 농도 영향에 대하여 조사하였다. 유속이 증가하고, 주석과 염산의 농도가 감소할수록 주석의 회수율과 전류효율이 증가하였고, 전류밀도가 증가함에 따라 회수율은 증가하였으나 전류효율은 감소하였다. 유속 18 L/min., $3A/dm^2$, 2.5 g/L Sn, 5 wt.% HCl 조건에서 효과적으로 주석을 회수할 수 있다.

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References

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