국내 부존의 함티탄자철광으로 부터 합성 rutile 및 고순도 철화산화물의 제조를 위한 순환 공정

이철태; 유영홍

Journal of the Korean Industrial and Engineering Chemistry, Vol.2, No.4, 372-384, December, 1991

Export Citation

국내 부존의 함티탄자철광으로 부터 합성 rutile 및 고순도 철화산화물의 제조를 위한 순환 공정

Cyclic process for the preparation of synthetic rutile and pure iron oxide from the domestic titaniferous magnetite ore

이철태, 유영홍

초록

국내 부존의 함티탄자철광으로 부터 천연 rutile광의 대체를 위한 합성 rutile의 제조 및 고순도 철산화물을 제조할 수 있는 새로운 공정개발과 아울러 황산암모늄을 황산화제로 사용할 수 있는 새로운 용도개발의 가능성을 조사키 위해 함티탄자철광과 황산암모늄의 반응을 시도하였다. 그 결과 적절한 황산화 반응조건은 반응온도 425℃, 반응시간 2.5h, 시료 함티탄자철광에 대한 황산암모늄의 무게비 11.0 그리고 시료 ilmenite의 입도 -250 mesh 였다. 이 조건에서 얻어진 황산화된 함티탄자철광을 물로 침출시켜 90.4%의 TiO₂와 85.3%의 Fe를 함티탄자철광으로 부터 추출하였다. 이 추출 용액으로 부터 제조된 합성 rutile의 TiO₂ 품위는 93.8%로서 rutile과 anatase의 혼합결정구조 였으며 철산화물은 순도 97.6% 의 α-Fe₂O₃였다.

The sulfation of the domestic titaniferous magnetite ore with ammonium sulfate was investigated to find a cyclic process for the production of synthetic rutile and high purity iron oxide and to test the feasibility of ammonium sulfate being an alternative sulfation agent. The proper sulfation conditions were determined to be a temperature of 425 ℃, 2.5 hours of reaction time, the weight ratio of ammonium sulfate to titaniferous magnetite : 11, and particle size or titaniferous magnetite :-250 mesh. 9.4 % of TiO₂ and 85.3 % of iron were extracted from the titaniferous magnetite sulfated under these conditions by the water leaching. From the leachate TiO₂ of 93.8 % purity as a mixture of rutile and anatase and α-Fe₂O₃ of 97.6 % purity were obtained.

[References]

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[1] Barksdale J, Titanium its Occurrence, Chemistry and Technology, Ronald Press, Co., New York, 213-223 (1966)

[2] Judd BP, Palmer ER, Proc. Aust. Inst. Min. Metal., 247, 23 (1973)

[3] Doraiswamy LK, Bijawat HC, Kunte MV, Chem. Eng. Prog., 55(10), 80 (1959)

[4] Neurgaonkar VG, Gorkan AN, Joseph K, J. Chem. Technol. Biotechnol., 36, 27 (1986)

[5] Yamada S, Ind. Miner., 1, 33 (1976)

[6] Kahn JA, J. Metal., 33 (1984)

[7] Heister NK, Liston EM, Georz D, Light Metals Proc., 103rd AIME Annual Meeting 2, 401 (1974)

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

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

[10] 한국동력자원연구소 연구보고서 KR-86-12, I (1984)

[11] 한국동력자원연구소 연구보고서 KR-86-12, II (1984)

[12] 한국동력자원연구소 연구보고서 KR-86-12, III (1986)

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

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

[15] Takimoto Y, Hattori H, J. Chem. Soc.-Jpn. Ind. Chem. Sec., 58, 654 (1955)

[16] Thomsen AM, U.S. Patent, 3,042,492, July 3 (1962)

[17] Elger GW, Wright JB, Tress JE, Bell HE, Jordan RR, U.S. Bur. Min., R.I. 9002, 24 (1986)

[18] Kim DS, Im SJ, AIME Meeting, New Orleans, L.A., March 15 (1986)

[19] Chernov RV, Kovzum IG, Zh. Prikl. Khim., 47(9), 1910 (1974)

[20] Veltman H, Pellegrimi S, Mackiw VN, J. Metal., 19(2), 21 (1967)

[21] Scott WD, Cattell FR, Atoms. Environ., 14(2), 307 (1979)

[22] 노해룡, 조경하, 황선국, 김준부, 김갑성, 국립지질조사소, 대전시험소, 광물시험보고 제 4호 (1964)

[23] Pressler JW, Field Trip Report & Mine Examination of Soyonpyong-do Titaniferous Magnetite Deposit, 4 (1962)

[24] Lee CT, Ryoo YH, J. Inst. Ind. Tech. Korea Univ., 21, 95 (1985)

[25] Hong SW, Kim JY, Lee CT, Yoo YH, HWAHAK KONGHAK, 27(2), 176 (1989)

[26] Halstead WD, J. Appl. Chem., 20, 129 (1970)

[27] Nakamura H, Hara Y, Osada HJ, J. Chem. Soc. Jpn.(5), 706 (1980)

[28] J.I.S.M. 8311

[29] J.I.S.M. 8312

[30] J.I.S.M. 8314

[31] J.I.S.M. 8315

[32] J.I.S.M. 8316

[33] J.I.S.M. 8317

[34] J.I.S.M. 8318

[35] J.I.S.M. 8319

[36] Lee CT, Ryoo YH, HWAHAK KONGHAK, 28(4), 480 (1990)

[37] Lee CT, Namgoong Y, Yoo YH, HWAHAK KONGHAK, 26(3), 295 (1988)

[38] Lee CT, Sohn HY, Ind. Eng. Chem. Res., 28, 1802 (1989)

[39] Mironov NN, Tr. Po. Khim. i. Khim. Tekhnol., 85 (1963)

[40] Mironov NN, Chem. Abs., 60, 8870 (1964)