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The effect of ionic charge on the adsorption of organic dyes onto titanate nanotubes

The effect of ionic charge on the adsorption of organic dyes onto titanate nanotubes
The effect of ionic charge on the adsorption of organic dyes onto titanate nanotubes
The adsorption of dye molecules from aqueous solution onto the surface of titanate nanotubes (which have been synthesized by an alkaline hydrothermal treatment) has been studied. The ionic charge on the dye molecules was found to affect their ability to adsorb onto the titanate nanotube surface. In case of (cationic) methylene blue, the adsorption was favourable on the negatively charged surface of titanate nanotubes rather than on positively charged P25 TiO2 nanoparticles. In case of (anionic) eriochrome black T dye, the opposite trend was found. The dynamics of dye adsorption and the effect of pH on the adsorption capacity are considered.
0004-9425
270-275
Bavykin, D.V.
1e9fabfc-d078-4585-876f-85ff33b7eed5
Redmond, K.E.
15531129-8221-4996-89e5-3fbe8a281dbb
Nias, B.P.
577c0982-688e-4d51-8be8-d6bdb57e1bde
Kulak, A.N.
e09573a7-40c5-45dc-a65d-2ffad6244fa7
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Bavykin, D.V.
1e9fabfc-d078-4585-876f-85ff33b7eed5
Redmond, K.E.
15531129-8221-4996-89e5-3fbe8a281dbb
Nias, B.P.
577c0982-688e-4d51-8be8-d6bdb57e1bde
Kulak, A.N.
e09573a7-40c5-45dc-a65d-2ffad6244fa7
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2

Bavykin, D.V., Redmond, K.E., Nias, B.P., Kulak, A.N. and Walsh, F.C. (1970) The effect of ionic charge on the adsorption of organic dyes onto titanate nanotubes. Australian Journal of Chemistry, 63 (2), 270-275.

Record type: Article

Abstract

The adsorption of dye molecules from aqueous solution onto the surface of titanate nanotubes (which have been synthesized by an alkaline hydrothermal treatment) has been studied. The ionic charge on the dye molecules was found to affect their ability to adsorb onto the titanate nanotube surface. In case of (cationic) methylene blue, the adsorption was favourable on the negatively charged surface of titanate nanotubes rather than on positively charged P25 TiO2 nanoparticles. In case of (anionic) eriochrome black T dye, the opposite trend was found. The dynamics of dye adsorption and the effect of pH on the adsorption capacity are considered.

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Published date: 1 January 1970
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 73060
URI: https://eprints.soton.ac.uk/id/eprint/73060
ISSN: 0004-9425
PURE UUID: 3e44334e-6043-4879-9adc-3fb56156593d

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Date deposited: 02 Mar 2010
Last modified: 24 Oct 2017 16:18

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