아민 추출제에 의한 유기산의 반응추출 II-Lewis Stirred Cell 추출기를 이용한 반응추출제에 의한 유기산의 물질이동-

류운형; 이한섭; 유철휘; 김용렬; 강안수

Journal of the Korean Industrial and Engineering Chemistry, Vol.6, No.6, 1045-1053, December, 1995

Reactive Extraction of Organic Acid by Amine Extractant Ⅱ - Mass Transfer of Organic Acid by Reactive Extractant with Lewis Stirred Cell Extractor -

류운형, 이한섭, 유철휘, 김용렬, 강안수

초록

Lewis식 요반추출장치에서 물질전달계수에 미치는 교반속도의 영향 및 무차원군의 관계를 구명하였다. Lewis식 교반추출장치에서 교반속도가 커질수록 유기산의 수용액측 물질전달계수는 증가하였고 추출도 또한 증가하였다. 그리고 0.05M 메타아크릴산을 Trioctylamine으로 추출하는 경우에 최적조건은 교반속도 200rpm, 추출시간 50분이었으며, 이때 물질전달계수는 5.52×10^-5m/s이었다. 또한 추출속도에 대한 무차원 상관관계를 얻었으며 그 결과는 본 실험에 사용한 유기산 중에서 아크릴산의 경우 Sh=(Re·Sc)^0.97, 메타아크릴산의 경우 Sh=(Re·Sc)^0.68에 각각 비례하였다. 이때 이들의 상관식은 15% 이내의 오차 범위에서 일치하였다.

The mass transfer coefficient of organic acid in aqueous phase and the degree of extraction were increased with increasing agitation speed in Lewis stirred cell extraction unit. The optimum conditions of agitation speed and the extraction time were 200rpm and 50min respectively for the case of 0.05M methacrylic acid extraction with trioctylamine, and in these conditions, the mass transfer coefficient was 5.52 × 10^-5 m/s. Correlations of dimensionless group for extraction rate were obtained, such that Sh is proportional to (Re·Sc)^0.97 in acrylic acid, and Sh is proportional to (Re·Sc)^0.68 in methacrylic acid. Also, calculated values by using these correlation eqations were consistent within 15% error range with experimental ones.

[References]

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Kawano Y, Kusano K, Kondo K, Nakashio F, Kag. Kog. Ronbunshu, 9, 44 (1983)
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Uhl VW, Gray JB, "Mixing," Academic Press, New York (1966)
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[1] Schugerl KR, Schlichting HE, Halwachs UW, Chem. Ing. Tech., 58, 308 (1986)

[2] Kawano Y, Kusano K, Kondo K, Nakashio F, Kag. Kog. Ronbunshu, 9, 44 (1983)

[3] Inoue K, Baba Y, Kag. Kog. Ronbunshu, 3, 212 (1977)

[4] Lo TC, Baird MHI, Hanson C, "Handbook of Solvent Extraction," John Wiley & Sons, New York (1983)

[5] Handojo L, "Trennung von Asparagins ure und Arginin Mittels Reaktive-extraktion," Dissertation, Hannover University, Hannover (1988)

[6] Lee HS, J. Korean Ind. Eng. Chem., 5(2), 223 (1994)

[7] Asai SJ, Uekawa Y, J. Chem. Eng. Jpn., 16, 463 (1983)

[8] Danesi PR, Chiarizia R, Munammed M, J. Inorg. Nucl. Chem., 40, 1581 (1978)

[9] Wang ML, Hu KH, Chem. Eng. Commun., 107, 189 (1991)

[10] Bulicka J, Prochazka J, Chem. Eng. Sci., 31, 137 (1976)

[11] Komasawa I, Otake T, Yamada A, J. Chem. Eng. Jpn., 13, 209 (1980)

[12] Campbell FT, Pfefferkorn R, Rounsaville JF, "Ullmann's Encyclopedia of Industrial Chemistry," 5th/Ed., A1, 161, VCH Co., Florida (1985)

[13] Elvers B, Hawkins S, Schulz G, "Ullmann's Encyclopedia of Industrial Chemistry," 5th/Ed., A16, 441, VCH Co., New York (1990)

[14] Sumitomo Chem. Co. Ltd., DE Patent, 2161525 (1971)

[15] Matsumura H, Otani M, Murakami F, Japan Patent, 56016438 (1979)

[16] Daicel Chem. Ind. Ltd., Japan Patent, 57095948 (1980)

[17] Treybal R, "Liquid Extraction," McGraw-Hill Book Co., New York (1963)

[18] Uhl VW, Gray JB, "Mixing," Academic Press, New York (1966)

[19] McCabe WL, Smith JC, Harriott P, "Unit Operations of Chemical Engineering," 5th/Ed., 665, McGraw-Hill Book Co., New York (1993)

[20] Geankoplis CJ, "Mass Transport Phenomena," Holt-Rinehard and Winston, Inc. New York (1972)