ZrO<SUB>2</SUB>와 황산염의 반응

김원배; 이건직; 김재용; 유영흥

HWAHAK KONGHAK, Vol.30, No.4, 480-490, August, 1992

Export Citation

ZrO₂와 황산염의 반응

The Reaction of ZrO₂ with Sulfates

김원배, 이건직, 김재용, 유영흥

초록

고순도의 ZrO₂를 얻기 위한 방법으로서 (NH₄)₂SO₄, NaHSO₄ 및 KHSO₄ 등의 황산화제인 ZrO₂와의 반응을 조사하였다. 이들 황산화제 중 (NH₄)₂SO₄와 NaHSO₄는 아래와 같은 관점에서 가치있는 황산화제로 볼 수 있다. 즉 낮은 반응온도, 빠른 반응속도, 수용성생성물 그리고 적은 양의 황산화제의 사용을 들 수 있다. ZrO₂와 각 황산화제의 반응에서 반응생성물은 최적조건에서 수용성복염인 2(NH₄)₂SO₄ㆍZr(SO₄)₂, 2Na₂SO₄ㆍZr(SO₄)₂ 그리고 2K₂SO₄ㆍZr(SO₄)₂이었다. 최적조건은 (NH₄)₂SO₄의 경우는 반응온도 450℃, 몰비 5.00, 반응시간 10분이고, 이 때 전화율은 96.1%이며, NaHSO₄ㆍH₂O의 경우는 반응온도 425℃, 몰비 5 .00, 반응시간 5분이고 이 때 전화율은 99.8%이며, KHSO₄의 경우는 반응온도 500℃, 몰비 5,00, 반응시간 10분이며 이 때 전화율은 97.6%이었다.

The reaction of ZrO₂ with sulfating agents, such as (NH₄)₂SO₄, NaHSO₄ and KHSO₄, were pri-marily investigated in order to produce high purity ZrO₂. (NH₄)₂SO and NaHSO₄ were found to be as the valuable sulfating agents in the view of following; low reaction temeperature, fast reaction rate, water soluble products, and small excess of sulfating agents. The reaction products in the reactions of ZrO₂ with the sulfating agents were water soluble complex salts; 2(NH₄)₂SO₄ㆍZr(SO₄)₂, 2Na₂SO₄ㆍZr(SO₄)₂ and 2K₂SO₄ㆍZr(SO₄)₂ at optimum conditions. The optimum conditions were reaction temp : 450℃, mole ratio : 5.00, reaction time : 10min conversion : 96.1% for (NH₄)₂SO₄ reaction temp : 425℃, mole ratio : 5.00, reaction time : 5min, convert- sion : 99.8% for NaHSO₄ㆍH₂O, reaction temp : 500℃, mole retio : 5.00, reaction time : 10min, conversion : 97.6% for KHSO₄.

[References]

동력자원연구소, "회유금속과 첨단기술," 223-231 (1985)
Othmer K, "Encyclopedia of Chemical Technology," Vol. 24, 863-902 (1983)
Somiya S, "Zirconia Ceramics 1," 1-19, Uchida Rokakuho (1984)
Somiya S, "Zircon-Science and Engineering," Uchida Rokakuho (1989)
British Patent, 350,728 (1929)
Beyer GH, Spink DR, West JB, Wilhelm HA, U.S. Atomic Energy Comm. ISC-437, 15 (1954)
Choi HS, Cross H, CIM Bull., 57, 966 (1964)
Choi HS, 금속학회지, 2(1), 3 (1964)
Choi HS, 화학과 공업의 진보, 4(2), 131 (1964)
Choi HS, Lilge EO, 금속학회지, 4(4), 103 (1966)
Juneja JM, Krishnam TS, Paul CM, Trans. Ind. Inst. Metals, 26(5), 59 (1973)
Eroshin PK, Dovgyallo VP, Safronov EK, Laube LG, Belyavskaya IA, Chem. Abstr., 80, 85920 (1974)
British Patent, 345,291 (1929)
U.S. Patent, 2,270,527 (1942)
Reynen P, Bastius H, Pavlovski B, vonMagllincrodt D, "Advances in Ceramics 3," 464-475 (1981)
Manieh AA, Spink DR, Can. Metall. Q, 12, 331 (1973)
McBerty FH, "Anhydrous Chlorides Manufactures," Hobart Publishing Co., Washington (1953)
Park YS, Lee CT, Yoo YH, HWAHAK KONGHAK, 24(5), 399 (1986)
Kiyoura R, Urano K, Ind. Eng. Chem. Process Des. Dev., 9, 529 (1973)
Halstead WD, J. Appl. Chem., 20, 129 (1970)

[1] 동력자원연구소, "회유금속과 첨단기술," 223-231 (1985)

[2] Othmer K, "Encyclopedia of Chemical Technology," Vol. 24, 863-902 (1983)

[3] Somiya S, "Zirconia Ceramics 1," 1-19, Uchida Rokakuho (1984)

[4] Somiya S, "Zircon-Science and Engineering," Uchida Rokakuho (1989)

[5] British Patent, 350,728 (1929)

[6] Beyer GH, Spink DR, West JB, Wilhelm HA, U.S. Atomic Energy Comm. ISC-437, 15 (1954)

[7] Choi HS, Cross H, CIM Bull., 57, 966 (1964)

[8] Choi HS, 금속학회지, 2(1), 3 (1964)

[9] Choi HS, 화학과 공업의 진보, 4(2), 131 (1964)

[10] Choi HS, Lilge EO, 금속학회지, 4(4), 103 (1966)

[11] Juneja JM, Krishnam TS, Paul CM, Trans. Ind. Inst. Metals, 26(5), 59 (1973)

[12] Eroshin PK, Dovgyallo VP, Safronov EK, Laube LG, Belyavskaya IA, Chem. Abstr., 80, 85920 (1974)

[13] British Patent, 345,291 (1929)

[14] U.S. Patent, 2,270,527 (1942)

[15] Reynen P, Bastius H, Pavlovski B, vonMagllincrodt D, "Advances in Ceramics 3," 464-475 (1981)

[16] Manieh AA, Spink DR, Can. Metall. Q, 12, 331 (1973)

[17] McBerty FH, "Anhydrous Chlorides Manufactures," Hobart Publishing Co., Washington (1953)

[18] Park YS, Lee CT, Yoo YH, HWAHAK KONGHAK, 24(5), 399 (1986)

[19] Kiyoura R, Urano K, Ind. Eng. Chem. Process Des. Dev., 9, 529 (1973)

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