Issue 38, 2011
From the journal:

Journal of Materials Chemistry

Surface treatment- and calcination temperature-dependent adsorption of methyl orange molecules in wastewater on self-standing alumina nanofiber films

Zhi-Gang Zhao,ab   Naofumi Nagai,*a   Tetsuya Kodaira,a   Yukiya Hukuta,a   Kyoko Bando,a   Hiroshi Takashimaa  and  Fujio Mizukami*a  

* Corresponding authors

a Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki, Japan
E-mail: f-mizukami@aist.go.jp, nagai.kawaken@aist.go.jp

b Suzhou Institute of Nano-Tech and Nano-Bionics, Ruoshui Road 398, Suzhou, China

Abstract

A novel form of alumina, free-standing and transparent alumina nanofiber thin films has been synthesized and utilized as highly efficient adsorbents for organic dye removal and decoloration, and their adsorption capacities are sensitively dependent on surface treatment and calcination temperature. Compared with commercial alumina powders, the films exhibited totally different adsorption behaviors and enhanced adsorption capacities, which may originate from their different pore sizes in the two forms. The as-prepared dye-adsorbed alumina nanofiber films may open up new possibilities for some potential applications, e.g., pH indicator paper for pH testing derived from the dye-adsorbed alumina films was enabled based on different dye-desorption characteristics in different solutions.

Graphical abstract: Surface treatment- and calcination temperature-dependent adsorption of methyl orange molecules in wastewater on self-standing alumina nanofiber films

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Article information

DOI
https://doi.org/10.1039/C1JM12241J
Article type
Paper
Submitted
20 May 2011
Accepted
04 Jul 2011
First published
22 Aug 2011

J. Mater. Chem., 2011,21, 14984-14989

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Surface treatment- and calcination temperature-dependent adsorption of methyl orange molecules in wastewater on self-standing alumina nanofiber films

Z. Zhao, N. Nagai, T. Kodaira, Y. Hukuta, K. Bando, H. Takashima and F. Mizukami, J. Mater. Chem., 2011, 21, 14984 DOI: 10.1039/C1JM12241J

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