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Fly ash based geopolymer for the adsorption of cationic and nonionic surfactants from aqueous solution � A feasibility study

Siyal, A.A. and Shamsuddin, M.R. and Low, A. (2021) Fly ash based geopolymer for the adsorption of cationic and nonionic surfactants from aqueous solution � A feasibility study. Materials Letters, 283 .

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Abstract

The discharge of wastewaters containing surfactants and other pollutants from industries is contaminating the world's water resources which needs remediation. This paper describes the adsorption of cationic and nonionic surfactants cetyltrimethylammonium bromide (CTAB) and Triton X-100 (TX-100) using fly ash based geoepolymer adsorbent. pH was varied between 2 and 10. Geopolymer could not adsorb CTAB and TX-100 surfactants. This was due to the low hydrophobicity of the geopolymer and the weak nature of forces involved in the adsorption of cationic and nonionic surfactants. The modification of the geopolymer with suitable metals or compounds could potentially enable it to adsorb CTAB and TX-100 surfactants. © 2020 Elsevier B.V.

Item Type:Article
Impact Factor:cited By 4
Uncontrolled Keywords:Adsorption; Cationic surfactants; Fly ash; Geopolymers; Inorganic polymers; Water pollution; Water resources, Cetyltrimethylammonium bromide; Feasibility studies; Geopolymer; Triton X-100, Nonionic surfactants
ID Code:23693
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:19 Aug 2021 08:20
Last Modified:19 Aug 2021 08:20

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