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Abstract Poly( N -hydroxymethyl acrylamide) was grafted from loofah fibers by surface-initiated activators generated by electron transfer for atom transfer radical polymerization (AGET ATRP) for synergic adsorption of Cd 2+… Click to show full abstract
Abstract Poly( N -hydroxymethyl acrylamide) was grafted from loofah fibers by surface-initiated activators generated by electron transfer for atom transfer radical polymerization (AGET ATRP) for synergic adsorption of Cd 2+ and acid blue 25 (AB25). The adsorption behaviors towards Cd 2+ and AB25 in respective single and binary systems were investigated by batch technique. The adsorption capacity of AB25 decreased when the solution pH increased from 1 to 6, but the adsorption capacity of Cd 2+ increased with the pH value. In the binary mixture of Cd 2+ and AB25, the presence of AB25 significantly enhanced the adsorption capacity of Cd 2+ , while the adsorption amount of AB25 was not affected by the presence of Cd 2+ . The functionalized loofah fibers exhibited good reusability and was qualified for practical application.
Journal Title: Materials Letters
Year Published: 2018
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