Comparison of modified montmorillonite adsorbents. Part I:Preparation, characterization and phenol adsorption

Jiang, Jia-Qian, Cooper, Colin and Ouki, Sabeha (2002) Comparison of modified montmorillonite adsorbents. Part I:Preparation, characterization and phenol adsorption. Chemosphere, 47 (7). pp. 711-6. ISSN 0045-6535

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Abstract

This study concerns with the development of modified montmorillonites as adsorbents for water treatment. Polymeric aluminium and iron intercalated forms of montmorillonites have been prepared in the absence and presence of an alkylammonium cationic surfactant (Hexdecyl-trimethyl-ammonium bromide, HDTMA). Montmorillonites intercalated with polymeric Al, Fe, Fe/Al (2:1 Fe to Al ratio in solution), possess large N2 Brunauer-Emmett-Teller (BET) surface areas. XRD data also shows trace amounts of illite and plagioclase within the clay materials. Montmorillonites intercalated with HDTMA, polymeric Fe/HDTMA, polymeric Al/HDTMA and polymeric Fe/Al/HDTMA (1:1 metal to surfactant molar ratio in solution) undergo some losses of N2 BET surface areas. Preliminary adsorption studies on phenol have shown that polymeric Al/HDTMA- and HDTMA-only-modified montmorillonites possess a good affinity for phenol, whereas the polymeric Al/Fe modified- and starting montmorillonites have little affinity for phenol adsorption.

Item Type: Article
Uncontrolled Keywords: adsorption,aluminum silicates,bentonite,disinfectants,phenol,water purification
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
Depositing User: Pure Connector
Date Deposited: 20 Jan 2014 16:02
Last Modified: 21 Apr 2020 22:32
URI: https://ueaeprints.uea.ac.uk/id/eprint/46169
DOI:

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