Kinetics of hexavalent chromium sorption on amino-functionalized macroporous glycidyl methacrylate copolymer

• Published in: Journal of hazardous materials 2009-11, Vol.171 (1), p.153-159
• Main Authors: Nastasović, A., Sandić, Z., Suručić, Lj, Maksin, D., Jakovljević, D., Onjia, A.
• Format: Article
• Language: English
• Subjects: Adsorption; Amines - chemistry; Amino-functionalized; Applied sciences; Binding, Competitive; Chromium - analysis; Chromium - isolation & purification; Chromium sorption; Copolymerization; Copolymers; Diamines - chemistry; Diethylene triamine; Epoxy Compounds - chemistry; Ethylene; Ethylenes - chemistry; Exact sciences and technology; Glycidyl methacrylate; Glycol dimethacrylates; Hexavalent chromium; Hydrogen-Ion Concentration; Kinetics; Mathematical analysis; Mathematical models; Metals - chemistry; Methacrylates - chemistry; Organic polymers; Physicochemistry of polymers; Pollution; Polymers - chemistry; Porosity; Preparation, kinetics, thermodynamics, mechanism and catalysts; Pseudo-second kinetic model; Salts - chemistry; Sorption; Water Pollutants, Chemical - analysis; Water Purification - methods
• ISSN: 0304-3894; 1873-3336
• DOI: 10.1016/j.jhazmat.2009.05.116

Two samples of macroporous crosslinked poly(glycidyl methacrylate- co-ethylene glycol dimethacrylate), poly(GMA- co-EGDMA), with different porosity parameters were synthesized by suspension copolymerization and functionalized with ethylene diamine and diethylene triamine. The kinetics of Cr(VI) sorption by amino-functionalized poly(GMA- co-EGDMA) was investigated under non-competitive conditions. Competitive kinetics was studied from following multicomponent solutions: Cu(II) and Cr(VI); Cu(II), Co(II), Cd(II) and Ni(II); Cr(VI), Cu(II), Co(II) and Cd(II) solutions. Two kinetic models (the pseudo-first and pseudo-second-order) were used to determine the best-fit equation for the metals sorption by poly(GMA- co-EGDMA)-en and poly(GMA- co-EGDMA)-deta.