염화암모늄에 의한 황화아연의 염소화 반응

유정근; 최승훈; 김학수; 박해경; 이철태

Journal of the Korean Industrial and Engineering Chemistry, Vol.6, No.2, 250-259, April, 1995

Export Citation

염화암모늄에 의한 황화아연의 염소화 반응

Chlorination of Zinc Sulfide with Ammonium Chloride

유정근, 최승훈, 김학수, 박해경, 이철태

초록

Zn함유 황화광으로부터 Zn제련을 위한 새로운 공정개발의 기초자료를 얻고자 ZnS와 NH₄Cl의 반응을 조사하였다. 이 반응에서 ZnS는 물에 쉽게 녹을 수 있는 염의 형태인 ZnCl₂ 또는 (NH₄)_nZnCl_n+2의 형태로 염소화되었다. 이 염소화의 적절한 반응조건은 반응온도 375℃, 반응시간 2시간, NH₄Cl의 몰비는 16이었다. 위 조건하에서 ZnS의 염소화 전환율이 98.3%이었고, NH₄Cl은 좋은 염소원으로 작용하였다.

The reaction between ZnS and NH₄Cl was investigated in order to get a fundamental data for developing a new Zn-production process from a Zn-bearing sulfide ore. Through this reaction ZnS was chlorinated and converted to the water-should-salt form of (NH₄)_nZnCl_n+2 or ZnCl₂. The results suggested that under N₂ gas atmosphere the reaction temperature of 375℃, the reaction time of 2hrs and the NH₃CI-to-ZnS mole ratio of 16 were the proper conditions of ZnS. Under the above conditions 98.3% of ZnS was chlorinated and converted, and NH₄Cl was found to act as a good chlorinating agent in this chlorination.

[References]

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Dennis WH, "Meyallurgy of the Non Ferrous Metalsy," and "Metallurgy of Ferrous Metals," Sirlsaac Pitman and Sons Ltd., London (1961)
Rosenquist T, "Principles of Extractive Metallurgy," McGraw Hill Book Co., Inc., New York (1974)
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vonHahn, U.S. Patent, 4,576,812 (1986)
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Lee CT, Choi WS, Ryoo YH, HWAHAK KONGHAK, 22(6), 323 (1984)
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[1] Bary TL, "Non Ferrous Production Metallurgy" and "Ferrous Process Metallurgy," John Wiley and Sons, Inc., New York (1947)

[2] Dennis WH, "Meyallurgy of the Non Ferrous Metalsy," and "Metallurgy of Ferrous Metals," Sirlsaac Pitman and Sons Ltd., London (1961)

[3] Rosenquist T, "Principles of Extractive Metallurgy," McGraw Hill Book Co., Inc., New York (1974)

[4] Tomas AM, U.S. Patent, 1,943,333 (1934)

[5] Frank E, Johannes G, Erzmetall, 22, 219 (1969)

[6] Ulrich K, Mohammed EA, Erzmetall, 28, 219 (1975)

[7] Subbotina EA, Deposited Doc. 1977, Viniti 103-77, 20 (1979)

[8] Diaz NE, Spain Patent, 415,599 (1976)

[9] vonHahn, U.S. Patent, 4,576,812 (1986)

[10] 최한석, "무기공업화학," 3rd ed., 동명사 (1984)

[11] Lee CT, Choi WS, Ryoo YH, HWAHAK KONGHAK, 22(6), 323 (1984)

[12] Lee CT, Ryoo YH, Kang WK, Paik YH, HWAHAK KONGHAK, 23(1), 1 (1985)

[13] Um MH, Lee CT, HWAHAK KONGHAK, 26(4), 378 (1988)

[14] Um MH, Lee CT, HWAHAK KONGHAK, 26(5), 480 (1988)

[15] Varin I, "Thermochemical Data of Pure Substance," VCH Verlagsgesellschaft mbH, Federal Republic of Germany (1989)

[16] Manyaka T, Iwasaki IR, Soc. Min. Eng. AIME Trans., 254, 37 (1973)

[17] Ingraham RF, T.R. Can. Met. Quarterly, 6, 333 (1967)

[18] Pourbaix M, "Atlas of Electrochemical Equilibria," Nation Association of Corrosion Engineers, Houston, Texas U.S.A. (1974)