2015
DOI: 10.1080/19443994.2014.941300
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Wool micro powder as a metal ion exchanger for the removal of copper and zinc

Abstract: A B S T R A C TWaste wool fibers (WF) were oxidized and ball milled to enhance the exchanging ability toward some metal ions, namely copper and zinc. Wool fibers were oxidized with hydrogen peroxide and tetra acetyl ethylene diamine, followed by grinding process. Optimization of the exchanging medium with regard to the metal ion concentration, pH, and exchanging time was performed. It was observed that the ability of the wool powder (WP) and oxidized wool powder (OWP) to exchange greater amount of metal ions t… Show more

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Cited by 27 publications
(20 citation statements)
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“…The total milling time was adjusted for 8 hours after each 10 min takes a rest for 5 min and start in a reverse direction [20].…”
Section: Powder Preparationmentioning
confidence: 99%
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“…The total milling time was adjusted for 8 hours after each 10 min takes a rest for 5 min and start in a reverse direction [20].…”
Section: Powder Preparationmentioning
confidence: 99%
“…The presence of functional groups (such as NH2, CONH 2 ,COOH,and OH) in the wool [18,20] makes ita promising sorbent. These groups render wool high binding capacity toward metal ions [20,23,24] and dyes [25,26]. In addition, grinding wool into fine powder enhances the wool binding capacity owing to anenormous increase in the specificsurface area, meanwhile, keeping the original features of the wool unchanged [18,20,27].…”
Section: Introductionmentioning
confidence: 99%
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