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Title: A high-surface-area silica-clay composite material
Authors: Kawi, S. 
Keywords: 81.05.Je
Composite materials
Environmental materials
Hydrothermal surfactant treatment
K10 montmorillonite
Issue Date: 5-Mar-1999
Citation: Kawi, S. (1999-03-05). A high-surface-area silica-clay composite material. Materials Letters 38 (5) : 351-355. ScholarBank@NUS Repository.
Abstract: The crystalline clay layers of K10 montmorillonite (M), which is an acid-activated clay, could be transformed by a hydrothermal process using a mixture of surfactant and amorphous silica into silica-bonded K10 montmorillonite (SBM). Using this hydrothermal surfactant process, the surface area of clay could be increased substantially from 197 m2 g-1 (M) to 736 m2 g-1 (SBM). Being a new high-surface-area silica-clay composite material, SBM is shown to be a potentially new environmental material as it has been found to have very good acidic, adsorptive, and catalytic properties.
Source Title: Materials Letters
ISSN: 0167577X
Appears in Collections:Staff Publications

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