Journal
MATERIALS LETTERS
Volume 236, Issue -, Pages 30-33Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.10.035
Keywords
Porous materials; Geopolymer; Fiber; Adsorption
Funding
- 100th Anniversary Chulalongkorn University Fund for Doctoral Scholarship
- Graduate School of Chulalongkorn University
- Cultivation of Global Engineering by Pacific Rim Green Innovation project of Nagaoka University of Technology
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This paper describes a simple and effective process for fabricating geopolymer-polymer composite fiber. The fiber is synthesized by mixing geopolymer powder with Polyethersulfone (PES) - N-Methyl-2 pyrrolidone (NMP) solution and the slurry was extruded then transformed into a fiber by phase inversion method. The fiber is constructed of PES and fly ash-based geopolymer (FAG) particles with porous structure. Analysis of the pore structure of fiber revealed that BET surface area is 168.30 m(2)/g. In addition, the adsorption capacity of heavy metal ions on geopolymer composite fiber follows the order of Pb2+ > Cu2+ > Cd2+ > Ni2+. This work provides a convenient, low-cost and environmental friendly adsorbent for removing heavy metal ions from waste water. (C) 2018 Elsevier B.V. All rights reserved.
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