Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Regeneration Methods for Iron Powers in the Treatment of the Waste FeCl3 Etching Solution

엣칭용 염화철폐액의 처리에서 미반응철의 재생방법

  • Park, Chan-Woo (Department of Industrial Chemistry, Kyungpook National University) ;
  • Jeung, Woo-Won (Department of Industrial Chemistry, Kyungpook National University) ;
  • Lee, Man-Ho (Department of Industrial Chemistry, Kyungpook National University)
  • 박찬우 (경북대학교 공과대학 공업화학과) ;
  • 정우원 (경북대학교 공과대학 공업화학과) ;
  • 이만호 (경북대학교 공과대학 공업화학과)
  • Received : 1997.02.28
  • Accepted : 1997.07.23
  • Published : 1997.08.10

Abstract

The regeneration of the iron powders in the treatment of $FeCl_3$ etching solution containing nickel by ball-mill and ultrasonic treatments has been studied. When the unreacted iron powders were treated twice, the removal efficiency of nickel was 94.0% for the ball-mill treatment and 82.1% for the ultrasonic treatment. But the removal efficiency of nickel was 40.0% for the untreated iron powders. As the treatment time was increased, the particle size of iron powders was decreased for ball-mill treatment and almost not changed for ultrasonic treatment.

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Acknowledgement

Supported by : 한국과학재단

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