Preparation and Characterization of Bentonite Supported Silicotungstic Acid

Dan Na Li

doi:10.4028/www.scientific.net/AMR.549.101

Paper Titles

Effect of Preparation Conditions of Calcium Borate Nanoparticles on Oil-Solubility
p.82

Structure of Phosphate Amphoteric Cassava Starch and its Reinforcing Effect on Secondary Fiber
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Effect of Activated Attapulgite on Ammonia-Nitrogen Removal
p.92

Effects of Pre-Carbonization on Structure and Electrochemical Performances of Amphiphilic Carbonaceous Material-Based Activated Carbons
p.96

Preparation and Characterization of Bentonite Supported Silicotungstic Acid
p.101

Mechanism for Synthesizing Barium Hexagonal Ferrite by Sol-Gel Method
p.105

Influence of Preparation Conditions of the Solid Base Catalyst on the Performance of Synthesizing Polyglycerol
p.109

Polymorphic Changes of Calcite Carbonate Sediment in Aqueous Solution
p.113

Property of LiMn_0.5Ti_0.75O₃ Type Ion-Exchangers and Extraction for Lithium
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Preparation and Characterization of Bentonite Supported Silicotungstic Acid

Abstract:

In this paper, the bentonite supported silicotungstic acid with Kiggen structure was prepared by the adsorption of silicotungstic acid on the pretreated bentonite. The bentonite supported silicotungstic acid was characterized with IR、XPS and TG/DTA. The effect of acidification and loading time on the loading amount of silicotungstic acid was investigated. The results indicates that bentonite supported silicotungstic prepared with high temperature activation is stable.