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Effect of mixed solvent on selective removal of lead (II) ions by dicyclohexano‐18‐crown‐6 from aqueous solutions containing heavy metals
Author(s) -
Dernini Stella,
Loi Annalisa,
Palmas Simona,
Polcaro Anna M.
Publication year - 2002
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450800220
Subject(s) - chlorobenzene , nitrobenzene , chemistry , aqueous solution , selectivity , inorganic chemistry , solvent , ion , chloroform , organic chemistry , catalysis
Abstract The effect of the organic solvent on the transport of lead ions through a bulk liquid membrane containing dicyclohexano‐18‐crown‐6 (DC18C6) as carrier was studied. Chloroform, 1,2‐dichloroethane, chlorobenzene, nitrobenzene and their binary solutions were employed as solvents. SCN‐, NO 3 ‐, CI‐ and CH 3 COO‐ were used as anions. The selectivity and the efficiency of lead transport from aqueous solutions containing other cations such as Ni 2+ , Cu 2+ , Co 2+ , and Zn 2+ were also investigated.