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흡착콜로이드부상법에 의한 수용액중의 Cr(VI) 이온 제거
Removal of Cr(VI) from Aqueous Solution by Adsorbing Colloid Flotation
HWAHAK KONGHAK, October 1993, 31(5), 611-617(7), NONE
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Abstract
수용액중의 Cr(VI) 이온을 음이온 계면활성제 sodium lauryl sulfate를 사용하여 흡착콜로이드부상법을 이용하여 제거하였다. Cr(VI) 이온 제거의 최적 pH는 Fe(OH)3를 흡착콜로이드로 사용한 경우에서는 pH4.0-4.5의 범위에서, FeSO4를 환원제로 사용한 경우에는 pH는 4.0-6.5의 범위에서 나타났다. Cr(VI) 이온 제거효율에 영향을 미치는 인자들인 계면활성제, 외부이온, Al(III) 이온 첨가 등의 영향에 대해 조사하였다. 거품분리기술에 의한 수용액중의 Cr(VI) 이온 제거에 있어 흡착기구 및 분리 메카니즘을 관찰하였다.
Experimental investigations on the removal of Cr(VI) from aqueous solution were carried out by adsorbing colloid flotation using sodium lauryl sulfate as a collector. The optimum pH for the removal of Cr(VI) was found to be about 4.0-4.5 using Fe(OH)3 as an adsorbing colloid and about pH4.0-6.5 using FeSO4 as a reduction agent. The effects of surfactant(sodium lauryl sulfate), foreign ions(Na+, Ca2+, NO3-, SO42-), and Al(III) on the removal efficiency were investigated. The adsorption and separation mechanism on the removal of Cu(II) ion by the foam separation techniques were observed.
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Franson MH, "Standard Methods for the Examination of Water and Wastewater," Amer. Publ. Health Assoc. Washington, D.C. (1971)
Cross J, "Surfactant Science Series," 8, Dekker, New York (1977)
Parks GA, Chem. Res., 65, 177 (1965)
Clake AN, Wilson DJ, Sep. Purif. Methods, 7(1), 55 (1978)
Grives RB, Chem. Eng., 10, 93 (1975)
Somasundaran P, Sep. Purif. Methods, 1(1), 117 (1972)
Wilson DJ, Clarke AN, "Foam Flotation," Marcel Dekker, Inc., New York (1983)
Barson RE, Ray CI, Amer. Inst. of Mining, Metallurgical and Petroleum Engineers Symposium, Dallas, Texas (1963)
Rubin AJ, Johnson JD, Lamb JC, Ind. Eng. Chem. Process Des. Dev., 5(4), 368 (1966)
Pinford TA, "Precipitate Flotation in Adsorptive Bubble Separation Techniques," Lemlich, R.(ed.), Academic, New York (1972)
Grieves RB, Bhattacharyya D, Sep. Sci., 4(4), 301 (1969)
Jurkiewicz K, Sep. Sci. Technol., 19(13), 1051 (1984)
Kim YS, Zetlin H, Anal. Chem., 43, 1390 (1971)
Kim YS, Zetlin H, Sep. Sci., 7(1), 1 (1972)
Huang SD, Wilson DJ, Sep. Sci., 10(4), 407 (1975)
Huang SD, Wilson DJ, Sep. Sci., 11(3), 215 (1976)
Wilson DJ, Sep. Sci. Technol., 13(2), 107 (1978)
Allen WD, Jones MM, Mitchell WC, Wilson DJ, Sep. Sci. Technol., 14(9), 769 (1979)
McIntyte G, Rodriguez JJ, Thackston EL, Wilson DJ, Sep. Sci. Technol., 17(2), 359 (1982)
McIntyte G, Rodriguez JJ, Thackston EL, Wilson DJ, Sep. Sci. Technol., 17(5), 673 (1982)
McIntyte G, Rodriguez JJ, Thackston EL, Wilson DJ, Sep. Sci. Technol., 17(5), 683 (1982)
Huang SD, Tzudo JJ, Gau JY, Hsieh HS, Fann CF, Sep. Sci. Technol., 19(13-15), 1061 (1984)
Choi SJ, Ihm SK, Sep. Sci. Technol., 23(4-5), 363 (1988)
Bhattacharyya DJ, Carton A, Grieves RB, Am. Inst. Chem. Eng., 17, 419 (1971)
Pietrenko BK, Selecki A, Sep. Sci. Technol., 19(13), 1025 (1984)
Huang SD, Fann CF, Hsieh HS, J. Colloid Interface Sci., 89(2), 504 (1982)
Huang SD, Wilson DJ, Sep. Sci. Technol., 19(8), 603 (1984)
Franson MH, "Standard Methods for the Examination of Water and Wastewater," Amer. Publ. Health Assoc. Washington, D.C. (1971)
Cross J, "Surfactant Science Series," 8, Dekker, New York (1977)
Parks GA, Chem. Res., 65, 177 (1965)
