Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 23, Issue -, Pages 188-193Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2014.08.014
Keywords
Nanocomposite hydrogels; Attapulgite; Selective adsorbent; Synthesis; Evaluation
Funding
- Technology Innovation Fund of Science and Technology Enterprises in Jiangsu Province [BC2014182]
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Novel covalently crosslinked attapulgite/poly(acrylic acid-co-acrylamide) (ATP/P(AA-co-AM)) nanocomposite hydrogel was synthesized via a facile one-pot two-step approach, with the modified attapulgite (ATP-C=C) nanorods as the sole crosslinker. Orthogonal experiment was designed to investigate the effect of the synthetic condition on the resultant nanocomposite hydrogels. The ATP/P(AA-co-AM)) nanocomposite hydrogels exhibited selective adsorption toward Pb2+ and Cu2+. The adsorbed ions could be easily desorbed, indicating their desired reusability. These excellent features, such as facile preparation, high mechanical stability, high adsorption capacity, and simple reactivation, make them potential adsorbent for the treatment of the heavy metal-contaminated water. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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