Efficient removal of arsenic by strategically designed and layer-by-layer assembled PS@+rGO@GO@Fe3O4 composites

Bong Kyun Kang, Byeong Seok Lim, Yeojoon Yoon, Sung Hoon Kwag, Won Kyu Park, Young Hyun Song, Woo Seok Yang, Yong Tae Ahn, Joon Wun Kang, Dae Ho Yoon

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13 Citations (Scopus)

Abstract

The PS@+rGO@GO@Fe3O4 (PG-Fe3O4) hybrid composites for Arsenic removal were successfully fabricated and well dispersed using layer-by-layer assembly and a hydrothermal method. The PG-Fe3O4 hybrid composites were composed of uniformly coated Fe3O4 nanoparticles on graphene oxide layers with water flow space between 3D structures providing many contact area and adsorption sites for Arsenic adsorption. The PG-Fe3O4 hybrid composite has large surface adsorption sites and exhibits high adsorption capacities of 104 mg/g for As (III) and 68 mg/g for As (V) at 25 °C and pH 7 comparison with pure Fe3O4 and P-Fe3O4 samples.

Original languageEnglish
Pages (from-to)286-293
Number of pages8
JournalJournal of Environmental Management
Volume201
DOIs
Publication statusPublished - 2017 Oct 1

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Waste Management and Disposal
  • Management, Monitoring, Policy and Law

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    Kang, B. K., Lim, B. S., Yoon, Y., Kwag, S. H., Park, W. K., Song, Y. H., Yang, W. S., Ahn, Y. T., Kang, J. W., & Yoon, D. H. (2017). Efficient removal of arsenic by strategically designed and layer-by-layer assembled PS@+rGO@GO@Fe3O4 composites. Journal of Environmental Management, 201, 286-293. https://doi.org/10.1016/j.jenvman.2017.05.066