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황산암모늄과 중요경제성 광물들의 반응성
The Reactivities of Some Economic Minerals with Solid Ammonium Sulfate
HWAHAK KONGHAK, August 1990, 28(4), 480-492(13), NONE
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Abstract
황산암모늄을 새로운 황산화제로서 가능성을 조사키 위하여 rutile, ilmenite, titaniferous magnetite, zircon sand, chalcopyrite, alunite, scheelite, xenotime, monazite, sphalerite, wolframite, apatite, kaolinite 및 rhodochrosite등 15종의 광물과 (NH4)2SO4 와의 반응을 열역학 및 실험적 방법에 의해 조사하였다. 그 결과 zircon sand 및 molebdenite의 두 광물을 제외한 13종의 광물은 황산화 분해되어 광물로부터 유효성분의 추출이 가능하였으며 황산암모늄응 효과적인 광물의 분해제로 사용될 수 있음을 알 수 있었다.
The reactivities of 15 minerals, such as rutile, ilmenite, titaniferous magnetite, zircon sand, chalco-pyrite, alunite, scheelite, xenotime, monazite, molybdenite, sphalerite, wolframite, apatite, kaolinite and rhodochro-site with (NH4)2SO4showed high possibility as an alternative sulfation or decomposition agent.
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Padilla R, Sohn HY, Metallurgical Trans. B, 16B, 385 (1985)
Lee CT, Yoo YH, HWAHAK KONGHAK, 24(1), 73 (1986)
Um MH, Lee CT, HWAHAK KONGHAK, 26(5), 480 (1988)
Takimoto Y, J. Chem. Soc.-Jpn. Ind. Chem. Sect., 58(10), 732 (1955)
Bayer G, Kahr G, Mueller-Vonmoos M, Clay Miner., 17, 271 (1982)
Mark HF, Othmer DF, "Kirk-Othmer Encyclopedia of Chemical Technology," 3rd ed., vol. 2, pp. 534, John Wiley & Sons, NY (1978)
Sahoo PK, Bose SK, Sircar SC, Thermochim. Acta, 31, 303 (1979)
Pankratz LB, Stuve JM, Gokcen NA, U.S. Bureau of Mines, Washington (1984)
Halstead WD, J. Appl. Chem., 20, 129 (1970)
Kiyoura R, Urano K, Ind. Eng. Chem. Process Des. Dev., 9(4), 489 (1970)
Kellog HH, Trans. Metallurgical Society of AIME, 230, 1622 (1964)
Hong SW, Kim JY, Lee CT, Yoo YH, HWAHAK KONGHAK, 27(2), 176 (1989)
