Utilization of Natural Zeolite for $NH_4^\;^+-N$ Adsorbent

($NH_4^\;^+-N$ 흡착제(吸着劑)로서의 천연(天然) Zeolite의 이용(利用)

  • Kim, Sang-Su (Department of Agricultural Chemistry, College of Agriculture, Kyungpook National University) ;
  • Hur, Nam-Ho (Department of Agricultural Chemistry, College of Agriculture, Kyungpook National University) ;
  • Choi, Jyung (Department of Agricultural Chemistry, College of Agriculture, Kyungpook National University)
  • 김상수 (경북대학교 농과대학 농화학과) ;
  • 허남호 (경북대학교 농과대학 농화학과) ;
  • 최정 (경북대학교 농과대학 농화학과)
  • Published : 1991.06.30

Abstract

This study was conducted to examine the adsorption capacity of $NH_4\;^+-N$ by natural zeolite for the purpose of investigating the possibility for $NH_4\;^+-N$ eliminator of Korean natural zeolite. The dominant clay minerals of zeolite were clinoptilolite and mordenite. The reaction of $NH_4\;^+-N$ adsorption by zeolite reached equilibrium after 4hrs. The amount of $NH_4\;^+-N$ adsoption by zeolite was not significantly affected by the particle size of zeolite. The order of $NH_4\;^+-N$ adsorption by zeolite according to exchangeable cations was Na-> Ca> K-saturated zeolite. The amount of $NH_4\;^+-N$ adsorption by zeolite was increased with increasing pH of solution and the ratio of zeolite to the volume of solution. The isothermal curvel of $NH_4\;^+-N$ adsorption by zeolite was conformed to Langmuir equation.

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