earticle

영어

This study was conducted to examine the influence of heat treatment on the adsorption by zeolite and to determine the loss from zeolite during the incubation. The dominant clay minerals of zeolite were clinoptiloiite and mordenite. adsorption by zeolite was equilibrated at a 4hrs-shaking. The content of exchangeable of zeolite was increased with increase in the temperature of heat treatment but the amount of adsorbed by zeolite was decreased. The amount of in the soil treated with ammonium sulfate was decreased during incubation under the submerged condition but the amount of adsorbed by zeolite was not decreased in the same course of incubation. It was estimated that adsorbed by zeolite was resistant to -N loss by various reactions.

한국어

Zeolite에 의(依)한 의 흡착반응(吸着反應)에 영향(影響)을 미치는 열처리(熱處理)에 의(依)해 조사(調査)하고 배양실험(培養實驗)을 통하여 Zeolite에 흡착(吸着)된 의 소실량(消失量)을 조사(調査)하였다. Zeolite의 주구성점토광물(主構成粘土鑛物) Clinoptiolite와 mordenite였다. Zeolite에 의(依)한 의 흡착반응(吸着反應)은 4시간(時間) 진탕으로 흡착평형(吸着平衡)에 도달(到達)하였다. 열처리온도(熱處理溫度)가 높을수록 치환성(置換性) 의 합량(合量)은 증가(增加)하였으나 의 흡착량(吸着量)은 감소(減少)하였다. 유안(硫安)을 처리(處理)한 토양(土壤)을 담수상태(湛水狀態)에서 배양(培養)한 결과(結果) 시간(時間)이 경과(經過)할수록 토양중(土壤中) 잔류량(殘留量)이 감소(減少)한 반면(盤面) Zeolite에 흡착(吸着)된 는 동일기간(同一期間) 내(內)에 소실(消失)되지 않았다. 그러므로 Zeolite에 흡착(吸着)된 은 여러 가지 작용(作用)에 의(依)한 소실(消失)에 대(對)해 저항성(抵抗性)이 크다고 할 수 있다.