Modification of crosslinked glycidyl methacrylate-based polymers for boron-specific column extraction

Niyazi Biçak*, Nusret Bulutçu, Bahire Filiz Şenkal, Mustafa Gazi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

102 Citations (Scopus)

Abstract

Terpolymers of glycidyl methacrylate (0.4 mol) with methyl methacrylate (0.5 mol) and divinyl benzene (0.1 mol) in spherical beads form have been modified with N-methyl-D-glucamine in N-methyl pyrrolidone solvent. Polymers with (2.05 mmol g-1) functionality have moderate swelling ability (1.81 v/v0) and show excellent boron uptake ability (2.15 mmol g-1) for extraction of trace quantities of H3BO3 from aqueous solutions. The resinous polymer with 110-210 μm size has a reasonable breakthrough capacity (0.835 mmol g-1) and a sharp elution profile in the column extractions. No interferences come from Ca(II), Mg(II) and Fe(III) ions (0.1 M), though slightly in the presence of these ions due to coprecipitation of borates by the metal hydroxides formed on the resin particles. The capacity of the resin and flow rate do not change even after 20 recyclings in the column extractions. The method has been shown to be promising for large-scale boron extractions from aqueous solutions.

Original languageEnglish
Pages (from-to)175-184
Number of pages10
JournalReactive and Functional Polymers
Volume47
Issue number3
DOIs
Publication statusPublished - Apr 2001

Funding

Istanbul Technical University Research Foundation is greatly acknowledged for financial support (project no: 1093).

FundersFunder number
Istanbul Technical University Research Foundation1093

    Keywords

    • Boron removal
    • Column extraction
    • Divinyl benzene
    • Glycidyl methacrylate
    • Methyl methacrylate
    • N-methyl-D-glucamine

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