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VOL. 7, ISSUE 3 (2020)
Removal of copper (II) and vanadium (V) from their aqueous solutions using hydroxamated polyacrylamide resin
Authors
Nehal FA Mohammed, El Mugdad AA, Ahmad EEM
Abstract
Hydroxamated poly acrylamide (HPAAM) was prepared by coupling reaction of polyacrylamide (PAAm) and free hydroxylamine in alkaline solution (pH>12) at 70˚C. The HPAAM were characterized by CHN elemental analysis and Fourier-transform infrared spectroscopy (FTIR). The results of CHN elemental analysis have demonstrated that HPAAM composes of 29.71% carbon, 4.08% hydrogen and 12.66% nitrogen. Characteristics absorption bands of HPAAM functional groups at 3300-3600cm-1 (OH), 1666 cm-1 (C=O) and (N-H) 3211 cm-1 were noticed from FTIR spectra. Furthermore, the removal capacities of HPAAM for copper and vanadium ions were investigated by batch technique at various pH values. The results revealed that the uptake of copper (II) achieves a value of 97.29 % at pH 5 while for vanadium (V) it is 97.08 % at pH 2 after 24 hours equilibration.
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Pages:129-132
How to cite this article:
Nehal FA Mohammed, El Mugdad AA, Ahmad EEM "Removal of copper (II) and vanadium (V) from their aqueous solutions using hydroxamated polyacrylamide resin". International Journal of Multidisciplinary Research and Development, Vol 7, Issue 3, 2020, Pages 129-132
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