Surface Modification of Fly Ash by Poly(1,5-Diaminonaphthalene) for Removal of Hexavalent Chromium from Water

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Authors

  • Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, CauGiay, Hanoi ,VN
  • Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, CauGiay, Hanoi ,VN
  • School of Chemical Engineering, Hanoi University of Science and Technology, 1 Dai Co Viet, Hanoi ,VN

DOI:

https://doi.org/10.18311/jsst/2018/20171

Keywords:

Chromium Removal, Fly Ash Composite, Poly(1, 5-Diaminonaphthalene)

Abstract

The Fly Ash (FA) was treated by NaOH solution in order to transform into the zeolite-like structure. Poly(1,5- diaminonaphthalene) [p(1,5-DAN)] was synthesized via in-situ chemical oxidation on the surface of NaOH-Treated Fly Ash (TFA) to form p(1,5-DAN)/TFA composite. The p(1,5-DAN)/TFA composite was used as a novel sorbent for removal of Cr(VI) ions from aqueous solutions. The maximum adsorption capacity (at pH 2, 298 K) calculated according to Langmuir isotherm model was 4.4 mg/g. This result suggested that p(1,5-DAN)/TFA was a promising adsorbent for Cr(VI) ions in the environmental treatment.

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Published

2019-01-03

How to Cite

Nguyen, D. T., Vu, M. X., & Nguyen, H. L. (2019). Surface Modification of Fly Ash by Poly(1,5-Diaminonaphthalene) for Removal of Hexavalent Chromium from Water. Journal of Surface Science and Technology, 34(3-4), 129–135. https://doi.org/10.18311/jsst/2018/20171
Received 2018-03-16
Accepted 2018-06-08
Published 2019-01-03

 

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