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정수장 슬러지로부터 염소화 반응에 의한 알루미나 회수 KCI 등재
The Recovery of Alumina from Water Treatment Plant Sludge by Chlorination
연익준, 이상우, 김광렬
- 언어KOR
- URLhttps://db.koreascholar.com/Article/Detail/257245
4,000원
한국응용과학기술학회지
(The Korean Society of Applied Science and Technology)
Vol.16 No.3 (1999.09)
pp.211-216
pp.211-216
한국응용과학기술학회(구 한국유화학회)
(The Korean Society of Applied Science and Technology (KSAST))
초록
This study was conducted to recover the aluminum from water treatment plant sludge containing alumina. The optimum reaction conditions about chlorination of sludge with NH4Cl are as follows: the weight ratio of sludge to NH4Cl is 4, the reaction time is 60min, and the temperature is 300℃. And the result of leaching time test showed that the highest yield of alumina at 160℃ was 96% but the result of leaching test at 160℃ was little better than that of leaching test at 100℃ while the leaching concentration of HCl was 4N. The optimum reaction conditions of chlorinated sludge with NH4Cl, gave the highest yield of 95.41% based on aluminum.
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