Pedant Crown Ethers 운반체를 이용한 에멀젼 액체막 계에서의 Pb<sup>2+</sup>분리

이종광; 이부영; 김종향; 조문환

Polymer(Korea), Vol.16, No.3, 328-335, May, 1992

Export Citation

Pedant Crown Ethers 운반체를 이용한 에멀젼 액체막 계에서의 Pb²⁺분리

Separation of Pb²⁺ using a Neutral Pendant Crown Ethers Mediated Emulsion Liquid Membrane Systems

이종광, 이부영, 김종향, 조문환

초록

Acryloyl methyl benzo-18-crown-6 단위체는 4'-hydroxymethyl benzo-18-crown-6와 acryloyl chloride을 반응시켜 합성하였다. Poly(acryloyl methyl benzo-18-crown-6)는 벤젠용매하에서 AIBN을 개시제로하여 제조하였다. [0.001mo1e/L M(NO₃)_n. (Mⁿ⁺=Na⁺, Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Zn²⁺, Cu²⁺, Cd²⁺, Mn²⁺와 Pb²⁺)]를 포함한 source phase와 거대고리 리간드[acryloyl methyl benzo-18-crown-6와 poly(acryloyl methyl benzo-18-croon-6)]와 계면활성제 Span 80을 포함한 toluene막 그리고 Li₄P₂O₇를 포함하는 receiving phase로 구성되어진 에멀젼 액체막계에서 source phase로 부터 금속이온들의 소멸속도를 연구하였다. 금속이온의 이동에 관한 실험에서, 각 혼합물로 부터 Pb^{2+ 이온이 가장 높은 이동율을 나타내었다.}

Acryloyl methyl benzo-18-crown-6 was synthesized by reacting 4'-hydroxymethyl benzo-18-crown-6 with acryloyl chloride. Poly(acryolyl methyl benzo-18-crown-6) was prepared in benzene by using AIBN as an initiator. The disapperance of metal ions from source phase as a function of time was studied in emulsion liquid membrane systems comprised in an aqueous source phase [0.001mo1e/L M(NO₃)_n. (Mⁿ⁺=Na⁺, Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Zn²⁺, Cu²⁺, Cd²⁺, Mn²⁺와 Pb²⁺)], a toluene membrane containing of the macrocyclic ligand [acryloyl methyl benzo-18-crown-6 and poly (acryloyl methyl benzo-18-crown-6)] and the surfactant Span 80, and an aqueous Li₄P₂O₇ receiving phase. In the experiment for metal ions transport using this emulsioning liquid membrane, the Pb²⁺ ion transport was more higher than other metal ions.

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[1] Pedersen CJ, J. Am. Chem. Soc., 89, 7017 (1967)

[2] Biehl MP, Izatt RM, Lamb JD, Christensen JJ, Sep. Sci. Technol., 17, 289 (1982)

[3] Izatt RM, Biehl MP, Lamb JD, Christensen JJ, Sep. Sci. Technol., 17, 1351 (1982)

[4] Li NN, Ind. Eng. Chem. Process Des. Dev., 10, 215 (1971)

[5] Cahn RP, Li NN, Sep. Sci., 9, 505 (1974)

[6] Li NN, AIChE J., 17, 459 (1971)

[7] Shah ND, Owens TC, Ind. Eng. Chem. Process Des. Dev., 11, 58 (1972)

[8] Teramoto M, Takihama H, Shibutani M, Yuasa T, Miyake Y, Teranishi H, J. Chem. Eng. Jpn., 14, 122 (1981)

[9] Kitagawa T, Nishikawa Y, Frankenfeld J, Li NN, Environ. Sci. Technol., 11, 602 (1977)

[10] Stazelbicki J, Charewicz W, Sep. Sci. Technol., 13(2), 141 (1978)

[11] Christensen JJ, Izatt RM, Lamb JD, Paper Presented at the 73rd. Annual AICHE Meeting Chicago, Illinois, Nov. 226 (1980)

[12] Smid J, Haj BE, Majewicz T, Nonni A, Sinta R, Org. Prepr. Proc. Int., 8, 193 (1976)

[13] Lee CK, Kim JH, Polym.(Korea), 15(4), 465 (1991)

[14] Christensen JJ, Christensen SP, Biehl MP, Lowe SA, Lamb JD, Izatt RM, Sep. Sci. Technol., 18(4), 363 (1983)

[15] Wong KH, Yagi K, Smid J, J. Membr. Boil., 18, 379 (1974)

[16] Yagi K, Ruiz JA, Sanchez MC, Makromol. Chem. Rapid Commun., 1, 263 (1980)

[17] Kimura K, Polym. Bull., 1, 403 (1979)

[18] Kimura K, Maeda T, Shono T, Makromol. Chem., 182, 1579 (1981)

[19] Anzai J, Makromol. Chem. Rapid Commun., 3, 55 (1982)