함티탄자철광 Slag의 유동층 염소화에 의한 TiCl4의 제조

송기영; 이상순; 이철태

Journal of the Korean Industrial and Engineering Chemistry, Vol.4, No.1, 64-74, March, 1993

Export Citation

함티탄자철광 Slag의 유동층 염소화에 의한 TiCl4의 제조

The Production of TiCl₄ from Titaniferrous Magnetite Slag by the Chlorination in a Fluidized Bed Reactor

송기영, 이상순, 이철태

초록

국내 부존 함티탄자철광으로부터 염화티타늄(TiCl₄)을 제조키 위해 함티탄자철광의 arc-smelting으로부터 얻어지는 titanium slag의 유동층 염소화 반응을 조사하였다. Titanium slag의 유동층 염소화반응에 적절한 반응조건은 반응 온도 950℃, 반응시간 90분, 염소가스의 유속 3.0㎝/sec, titanium slag에 대한 petroleum coke의 무게비 0.18, 그리고 titanium slag 및 petroleum coke의 입자의 평균직경은 각각 44.6㎛, 67.9㎛였다. 위 조건하에서 titanium slug 중의 97.07%의 티타늄이 염소화 되었으며 제조된 염화티타늄(TiCl₄)의 순도는 96.2%였다.

The chlorination of the titanium slag from titaniferrous magnetite by the arc-smelting in a fluidized bed reactor was investigated to produce TiCl₄ from domestic titaniferrous magnetite. The optimum conditions are as follows : reaction temperature; 950℃, reaction time; 90min, Cl₂ gas velocity; 3㎝/sec, and petroleum coke-to-titanium slag weight ratio; 0.18. Also the mean diameter of titanium slag and petroleum coke was 44.6㎛ and 67.9㎛ respectively. Under these conditions 97.07% of Ti component in the titanium slag was chlorinated and the purity of TiCl₄ from this chlorination was 96.2%.

[References]

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[1] Froes FH, Eylon D, Bomberger HB, "Titanium Technology: Present Status & Future Trends," The Titanium Development Association (1985)

[2] Horton RC, "Mineral Facts & Problems,"; Bureau of Mines Bull, 675, U.S. Bureau of Mines (1985)

[3] U.S. Geological Survey, U.S. Bureau of Mines, "Mineral Commodity Summaries 1989," U.S. Bereau of Mines, Washington (1989)

[4] Froes FH, J. Metals, 41(3), 27 (1989)

[5] Lee CT, Sohn HY, Ryoo YH, Chem. Ind. Technol., 8(3), 13 (1990)

[6] Wright JB, Elger GW, Tress JE, Bell HE, SME-AIME Fall Meeting, Denver, Colorado Print # 84-379 (1984)

[7] Neurgaonkar VG, Gokarn AN, Joseph KH, J. Chem. Technol. Biotechnol., 36, 27 (1986)

[8] Metal. Trans. B, Swaminathan K & Sridhar Rao., Ch., 158, 259 (1984)

[9] Lee CT, Choi HS, Ryoo YH, Saeki Y, HWAHAK KONGHAK, 21(3), 175 (1983)

[10] Park YS, Lee CT, Ryoo YH, HWAHAK KONGHAK, 22(4), 181 (1984)

[11] Kim WB, Park YS, Lee CT, Ryoo YH, HWAHAK KONGHAK, 23(6), 425 (1985)

[12] Lee CT, Yoo YH, HWAHAK KONGHAK, 24(1), 73 (1986)

[13] Lee CT, Park YS, Yoo YH, HWAHAK KONGHAK, 24(2), 137 (1986)

[14] 백영헌, 윤동석, 금속학회지, 12(3), 261 (1974)

[15] 백영헌, 윤동석, 금속학회지, 15(3), 272 (1977)

[16] 임석중, 박균영, "국내 티탄자철광에서 티탄소재 개발 연구," 동력자원연구소, KR-86-1 (1986)

[17] 임석중, 박균영, "국내 티탄자철광에서 티탄소재 개발 연구," 동력자원연구소, KR-87-33 (1987)

[18] Barin I, "Thermochemical Data of Pure Substances," VCH, New York (1989)

[19] Patel CC, Jere GV, Trans. Metal. Soc. AIME, 218, 219 (1960)

[20] Lee SS, Lee CT, J. Korean Ind. Eng. Chem., 3(3), 451 (1992)

[21] Elliott JF, Gleiser M, "Thermochemistry of Steelmaking," Pergamon, Vol. 1, 277 (1960)

[22] Tien JK, Elliott JF, "Metallurgical Treatises," The Met. Soc. of AIME, Warrendale Pa (1981)