Premium
Competitive removal of nickel (II), cobalt (II), and zinc (II) ions from aqueous solutions by starch‐ graft ‐acrylic acid copolymers
Author(s) -
Güçlü Gamze,
Güçlü Kubilay,
Keleş Sibel
Publication year - 2007
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.26866
Subject(s) - copolymer , ceric ammonium nitrate , aqueous solution , acrylic acid , starch , metal ions in aqueous solution , grafting , polymer chemistry , nuclear chemistry , cobalt , chemistry , zinc , nickel , metal , inorganic chemistry , materials science , organic chemistry , polymer
Graft copolymerization of acrylic acid (AA) onto starch was carried out with ceric ammonium nitrate as initiator under nitrogen atmosphere. The grafting percentages (GP%) of starch‐ graft ‐acrylic acid (St‐ g ‐AA) copolymers were determined. The effect of GP% of St‐ g ‐AA copolymers on the competitive removal of Co 2+ , Ni 2+ , Zn 2+ ions from aqueous solution was investigated at different pH (2, 4, 6). The concentrations of each ion in aqueous solution 5 mmol/L. Effects of various parameters such as treatment time, initial pH of the solution and grafting percentage of starch graft copolymers were investigated. Metal ion removal capacities of St‐ g ‐AA copolymers increased with GP% of the copolymers and pH. The results show that the removal of metal ions followed as given in the order Co 2+ > Ni 2+ > Zn 2+ . In this study, metal ion removal capacities were determined by atomic absorption spectrophotometer (AAS). © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007
Accelerating Research
Robert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom
Address
John Eccles HouseRobert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom