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심해저 망간단괴의 황산암모늄 분해에 의한 유효 금속성분의 추출
The Extraction of Effective Metal Components from Deep-Sea Manganese Nodule by the Decomposition with Ammonium Sulfate
HWAHAK KONGHAK, October 1994, 32(5), 667-679(13), NONE
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Abstract
본 연구는 심해저 망간단괴로부터 망간, 코발트, 니켈 및 구리 등 유료금속성분을 추출할 수 있는 공정 개발을 위해 분해제로 황산암모늄을 이용하는 망간단괴의 분해반응을 조사하였다. 심해저 망간단괴는 황산암모늄에 의해 효과적으로 분해가 이루어졌으며, 아울러 망간, 코발트, 니켈 및 구리 등 주요 유효금속성분들이 추출되었다. 적정 분해조건은 반응온도 500℃, 망간단괴에대한 황산암모늄의 무게비 4.0, 반응시간 60min이었다. 분해된 망간단괴의 적정 침출조건은 침출온도 100℃, 침출시간 2hr, 침출액량 200ml였다. 위의 조건에서 얻어진 Mn의 추출율은 99%였으며 Co 93%, Cu99% 그리고 Ni 90%였다.
A reaction between deep-sea manganese nodule and(NH4)2SO4 was carried out to find a new process for the extraction of manganese, cobalt, nickel and copper from deep-sea manganese nodule. Manganese nodule was decomposed with ammonium sulfate successfully and the effective components in manganese nodule such as manganese, cobalt, nickel and copper were extracted by water leaching of decomposed nodule. The optimum conditions of decomposition were as follows : the reaction temperature 500℃,(NH4)2SO4 weight ratio manganese nodules 4.0, the reaction time 60min. The proper conditions of water leaching of decomposed nodule were as follows : the leaching temperature 100℃, the leaching time 2hr, amount of H2O 200ml. Under above conditions, Manganese, copper, covalt and nickel in the nodule were extracted 99%, 99%, 93%, 90%, respectively.
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ASTM card 18-39
ASTM card 11-88
Fuerstenau DW, Herring AP, Hoover M, Trans. Soc. Min. Eng., 254, 205 (1973)
Iammartino NR, Chem. Eng., 81, 52 (1974)
Mero JL, "The Mineral Resources of the Sea," Elsevier Pub. Co., Amsterdam (1965)
Lee JH, Gilje J, Zeitlin H, Fermando Q, Environ. Sci. Technol., 12, 1428 (1978)
Okabe T, Okuwaki A, 化學工學, 30, 84 (1979)
Han KN, Hoover M, Fuerstenaw DW, Int. J. Miner. Process., 1, 215 (1974)
Fuerstenau DW, Herring AP, Hoover M, Trans. AIME, 253(3), 205 (1973)
U.S. Patent, 4,043,806 (1977)
Sridhar R, Jones WE, Warmer JS, J. Metal., 32 (1976)
Heinz K, Boin U, Erzmetall., 27(8), 341 (1974)
Lee CT, Ryoo YH, HWAHAK KONGHAK, 28(4), 480 (1990)
Pourbaix M, "Atlas of Electrochemical Equilibria in Aqueous Solutions," National Association of Corrosion Engineers, Houston (1974)
Haynes BW, Law SL, Barron DC, Bereau of Mines Information Circular/8906, U.S. Depart. Interior (1982)
박용만, "해양광물자원," 겸지사, 서울 (1989)
Mckelvey VE, Wright NA, Rowland RW, "Marine Geology and Oceanography of the Pacific Manganese Nodules Province," Plenum Press, New York, 747 (1979)
KS-L 3120
Halbach P, Hebich U, Scherhag C, Chem. Geology, 34, 3 (1981)
Park YS, Lee CT, Yoo YH, HWAHAK KONGHAK, 24(4), 291 (1986)
Lee CT, Sohn HY, Ind. Eng. Chem. Res., 28, 1802 (1989)
ASTM card 18-39
ASTM card 11-88
