Selection and Evaluation of a New Extractant for Caprolactam Extraction

Chinese Journal of Chemical Engineering

Volumn 16, Issue 6, 2008, Pages 876-880

  GONG, Xingchu ^a   LÜ, Yangcheng ^a   LI, Mu ^a   MA, Xuefeng ^a   NI, Qianyin ^a   LUO, Guangsheng ^a  

^a TSINGHUA UNIVERSITY   (China)

Author keywords

caprolactam; cyclohexane; extraction; octanol

Indexed keywords

BENZENE; CYCLOHEXANE; FULLERENES; PHASE SEPARATION; SOLVENTS; TOLUENE;

AQUEOUS PHASE; CAPROLACTAM; EXTRACTANT; EXTRACTION CAPACITIES; INTERFACIAL TENSIONS; LOWER DENSITIES; MIXED SOLVENTS; OCTANOL; OCTANOL SOLUBILITIES; SEPARATION ABILITIES;

SOLVENT EXTRACTION;

EID: 58149127352     PISSN: 10049541     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1004-9541(09)60009-4     Document Type: Article

References (20)

1. van Delden M.L., Drumm C., Kuipers N.J.M., and de Haan A.B. "Impurity distribution behavior in caprolactam extraction with environmentally benign mixed solvents". Chem. Eng. Technol. 29 (2006) 1221-1226
2. Xie F.Y., Zhu M.Q., Liu J.Q., and He C.H. "Extraction of caprolactam from aqueous ammonium sulfate solution in pulsed packed column using 250Y Mellapak packings". Chin. J. Chem. Eng. 10 (2002) 677-680
3. Xie F.Y. "Extraction of caprolactam in the (NH4)2SO4 aqueous solution using pulsed column with various inner parts". Chem. Ind. Eng. Progr. 21 (2002) 922-925
4. van Delden M.L., Kuipers N.J.M., and De Haan A.B. "Liquid-liquid equilibria and physical properties of the quaternary systems water+caprolactam+ammonium sulfate+benzene and toluene". J. Chem. Eng. Data 49 (2004) 1760-1770
5. 4 mixtures". AIChE J. 49 (2003) 745-752
6. Gong X.C., Lu Y.C., and Luo G.S. "Distribution coefficient of caprolactam and methyl caprolactam using benzene or toluene as extractants: Experiments and prediction". Chin. J. Chem. Eng. 15 (2007) 463-467
7. Morachevskii A.G., and Sabinin V.E. "Solubility diagrams for the ternary systems caprolactam-water-benzene, caprolactam-water-carbon tetrachloride, and caprolactam-water-dichloroethane". J. Appl. Chem. 33 (1960) 1755-1758
8. Tettamanti K., Nogradi M., and Sawinsky J. "Equilibria of the ternary system caprolactam/water/organic solvent, in the liquid state". Period. Polytech. Chem. Eng. 4 (1960) 201-218
9. 6 system at low caprolactam concentrations". Chem. Ind. Eng. Progr. 21 (2002) 839-841
10. Liu J.Q., Xie F.Y., He C.H., and Zhu M.Q. "Recovery of caprolactam from waste water in caprolactam production using pulsed-sieve-plate extraction column". Chin. J. Chem. Eng. 10 (2002) 371-373
11. Glazko I.L., Druzhinina Y.A., and Levanova S.V. "Performance and selectivity of organic solvents in extraction of caprolactam from lactam oil". Russ. J. Appl. Chem. 80 (2007) 941-944
12. Gong X.C., Lu Y.C., Zhang Y.N., Gao M.Y., and Luo G.S. "Liquid-liquid equilibria of the quaternary system water+caprolactam+ 1-octanol+ammonium sulfate". J. Chem. Eng. Data 52 (2007) 851-855
13. Zhenleznova N.I., Popov D.M., and Kanakina S.V. "Phase equilibrium in the caprolactam-toluene-water system". J. Appl. Chem. USSR 58 (1986) 1900-1903
14. Pajak M., Piotrowicz J., and Skrzypinski W. "Extraction of caprolactam in packed columns". Przem. Chem. 71 (1991) 107-110
15. van Delden M.L., Kuipers N.J.M., and de Haan A.B. "Selection and evaluation of alternative solvents for caprolactam extraction". Sep. Purif. Technol. 51 (2006) 219-231
16. Wijtkamp M., van Bochove G.H., de Loos T.W., and Niemann S.H. "Measurements of liquid-liquid equilibria of water+ ε{lunate}-caprolactam+electrolyte+organic solvent systems". Fluid Phase Equilib. 158-160 (1999) 939-947
17. van Bochove G.H., Krooshof G.J.P., and de Loos T.W. "Two- and three-liquid phase equilibria in the system water+2-heptanone+ caprolactam+ammonium sulfate: Experiments and modeling". Fluid Phase Equilib. 194-197 (2002) 1029-1044
18. Tettamanti K., and Nogradi M. "The influence of ammonium sulphate on the distribution of caprolactam in the water/trichloro ethylene system". Period. Polytech. Chem. Eng. 5 (1960) 15-23
19. Larsen B., Rasmussen P., and Fredenslund A. "A modified UNIFAC group-contribution model for prediction of phase equilibria and heats of mixing". Ind. Eng. Chem. Res 26 (1987) 2274-2286
20. Alessi V., Penzo R., Slater M.J., and Tessari R. "Caprolactam production: A comparison of different layouts of the liquid-liquid extraction section". Chem. Eng. Technol. 20 (1997) 445-454