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Andjelkovic I, Tran DN, Kabiri S, et al. Graphene Aerogels Decorated with α-FeOOH Nanoparticles for Efficient Adsorption of Arsenic from Contaminated Waters. ACS Appl Mater Interfaces. 2015;7(18):9758-66doi: 10.1021/acsami.5b01624.
Andjelkovic, I., Tran, D. N., Kabiri, S., Azari, S., Markovic, M., & Losic, D. (2015). Graphene Aerogels Decorated with α-FeOOH Nanoparticles for Efficient Adsorption of Arsenic from Contaminated Waters. ACS applied materials & interfaces, 7(18), 9758-66. https://doi.org/10.1021/acsami.5b01624
Andjelkovic, Ivan, et al. "Graphene Aerogels Decorated with α-FeOOH Nanoparticles for Efficient Adsorption of Arsenic from Contaminated Waters." ACS applied materials & interfaces vol. 7,18 (2015): 9758-66. doi: https://doi.org/10.1021/acsami.5b01624
Andjelkovic I, Tran DN, Kabiri S, Azari S, Markovic M, Losic D. Graphene Aerogels Decorated with α-FeOOH Nanoparticles for Efficient Adsorption of Arsenic from Contaminated Waters. ACS Appl Mater Interfaces. 2015 May 13;7(18):9758-66. doi: 10.1021/acsami.5b01624. Epub 2015 Apr 28. PMID: 25871444.
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ACS Appl Mater Interfaces. 2015 May 13;7(18):9758-66. doi: 10.1021/acsami.5b01624. Epub 2015 Apr 28.

Graphene Aerogels Decorated with α-FeOOH Nanoparticles for Efficient Adsorption of Arsenic from Contaminated Waters.

ACS applied materials & interfaces

Ivan Andjelkovic, Diana N H Tran, Shervin Kabiri, Sara Azari, Marijana Markovic, Dusan Losic

Affiliations

  1. †Innovation Center of the Faculty of Chemistry, University of Belgrade, Studentski Trg 12-16, Belgrade, Serbia.
  2. ‡School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia.
  3. §Institute of Chemistry, Technology and Metallurgy, Center of Chemistry, University of Belgrade, Njegoseva 12, Belgrade, Serbia.

PMID: 25871444 DOI: 10.1021/acsami.5b01624

Abstract

Arsenic (As) is the world's most hazardous chemical found in drinking water of many countries; therefore, there is an urgent need for the development of low-cost adsorbents for its removal. Here, we report a highly versatile and synthetic route for the preparation of a three-dimensional (3D) graphene-iron oxide nanoparticle aerogel composite for the efficient removal of As from contaminated water. This unique three-dimensional (3D) interconnected network was prepared from natural graphite rocks with a simple reaction, without the use of harsh chemicals, which combines with the exfoliation of graphene oxide (GO) sheets via the reduction of ferrous ion to form a graphene aerogel composite decorated with iron oxide nanoparticles. The prepared adsorbent showed outstanding absorption performance for the removal of As from contaminated water, because of its high surface-to-volume ratio and characteristic pore network in the 3D architecture. The performed case study using real drinking water contaminated with As under batch conditions showed successful removal of arsenic to the concentration recommended by the World Health Organisation (WHO).

Keywords: adsorption; aerogel; arsenic; graphene; α-FeOOH nanoparticles

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