A Study on Removal Effect of Residual Pesticide on Adsorbent

흡착제에 의한 잔류농약 제거효과에 관한 연구

  • An, Jung-hyeok (Department of Environmental & Applied Chemical Engineering, Kangnung National University) ;
  • Kim, Joon-bum (Department of Environmental & Applied Chemical Engineering, Kangnung National University) ;
  • Kwon, Young-du (Department of Environmental Engineering, Hanzhong University) ;
  • Jeon, Choong (Department of Environmental & Applied Chemical Engineering, Kangnung National University) ;
  • Park, Kwang-ha (Department of Environmental & Applied Chemical Engineering, Kangnung National University)
  • 안중혁 (강릉대학교 환경응용화학공학과) ;
  • 김준범 (강릉대학교 환경응용화학공학과) ;
  • 권영두 (한중대학교 환경공학과) ;
  • 전충 (강릉대학교 환경응용화학공학과) ;
  • 박광하 (강릉대학교 환경응용화학공학과)
  • Received : 2006.11.21
  • Accepted : 2007.09.17
  • Published : 2007.12.10

Abstract

This study was carried out to investigate adsorption characteristics of residual pesticides on an adsorbent. $Bauxsol^{TM}$ and mackban-stone as adsorbent were used. Analytical method for residual pesticides was established by GC/NPD and $GC/{\mu}ECD$. Pesticides used in this study were ${\alpha}$-endosulfan, ${\beta}$-endosulfan, pendimethalin and chlorpyrifos-methyl, fenitrothion, and recovery rates were more than 97%. Adsorption rate on an adsorbent was decreased in order of endosulfan, chlorpyrifos-methyl, pendimethalin, fenitrothion. Organochlorine pesticides showed higher removal rate than the other pesticides. $Bauxsol^{TM}$ gave both chemical decomposition and physical adsorption. Mackban-stone gave only physical adsorption on the other hand. The high pH and chloric ions structure of eluted solution have greatly affected at chemical resolution. The removal rate of pesticides was increased due to the physical property of adsorbent, i.e. high porosity. The above adsorbent is to be a candidate to remove residual pesticides in water and pond of links.

Acknowledgement

Supported by : 강릉창업보육센터 옥천환경

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