• 환경위생공학
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• 제19권2호
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• pp.15-22
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• 2004

Yellow loess, Tidal plat sediment, and mud are blown to be high in adsorption though they have great distinction according to the ratio of clay minerals content and their kinds. Thus one of the samples for this study can be obtained by drying of Yellow loess, Tidal plat sediment, and the mud which is semifinished products that are from the progress of heat treatment and making homogeneity which can be found everywhere in our county. Another sample can be prepared by reducing pollutants with the adsorbent and by homing heavy metals of their on. With the samples, noxious heavy metals such as Pb, Cd, and essential trace elements such as Cu, Fe, Mn by each concentration is tested for adsorption according to pH, the kinds of adsorbents and the amount of injection. With the help of these steps, this study shows that the adsorbents, which are green, reducing the additional pollution and low in price, can be found. It also shows that the optimal condition for removing pollutants can be found and the basic materials for treating water can be offered. The results were as follows ; Yellow loess shows the rates of adsorption by more than 50% and Tidal plat sediment and Mud show it by more than 90%. Thus Tidal plat sediment and Mud are higher than Yellow loess the rates of adsorption. The pH should be treated in natural condition because the rates of adsorption of Pb, Cd, Cu, Mn excepting Fe in mud is higher in pH 7 than in pH 3 of Yellow loess, Tidal plat sediment, and Mud. The drying adsorbents are good to use because the rates of adsorption of heavy metals has tendency to be higher in the drying method than in the burning method. It is considered that the more the mont of the injection of the adsorbent is , the higher the rates of adsorption is, and one gram is reasonable for the amount of the injection of Tidal plat sediment and mud. Yellow loess is suitable for the treatment of the water that includes low concentration of heavy metals because it has the lower rate of adsorption as the concentration of noxious heavy metals is higher. It is thought that Tidal plat sediment and Mud is proper for the treatment of the water that includes high concentration of heavy metals because the rates of adsorption has not been changed as the concentration of heavy metals increases.

• 한국지역지리학회지
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• 제8권4호
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• pp.451-467
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• 2002

영산강은 남한의 주요 강에 속하며, 유역은 식량생산의 핵심지 중의 하나이다. 영산강유역에는 범람원과 구릉지가 널리 발달되어 있으며, 현재의 영산호 일대에는 간석지도 넓게 분포했었다. 범람원은 '들'로 불리우며, 골짜기가 중은 '물목'의 상류쪽에 넓게 펼쳐진다. 범람원은 조선 발까지는 거의 전부 논으로 재발되었다. 이 농경지를 배경으로 도회지들이 성장했다. 구릉지는 '등', '까끔', '야산' 등으로 불리우며, 나주시와 영암군에 넓게 분포한다. 구릉지의 농경지개발은 1960년대부터 시작되었으며 오늘날에도 진행되고 있다. 많은 개간지의 영농은 외지인들에 의한 임차농의 형태로 영위된다. 간석지 즉 '뻘밭'은 영산강 하류의 남해만에 넓게 펼쳐져 있었으며, 곳곳에 '개옹'으로 불리우던 갯골이 발달했었다. 간석지는 1981년에 영산강하구둑이 준공된 이후 대대적인 간척사업에 의해 농경지로 개발되어 '영산평야'로 바뀌었다. 새로운 평야의 등장으로 모든 취락이 순수 농촌으로 탈바꿈하였다.