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Transactions of the INDIAN CERAMIC SOCIETY   Vol. 57  1998
Synthesis of Porous Alumina from Boehmite Sol
P. PADMAJA, S. StVAKUMAR, P. KRISHNA PILLAI AND K. G. K. WARRIER
Pages :
DOI : 10.1080/0371750X.1998.10804852
Abstract
The present work is an attempt to synthesize porous alumina through sol-gel route starting from aluminium nitrate solution. The boehmite sol synthesized from aqueous aluminium nitrate was refluxed alone and also with ammonium acrylate as gel modifier. The resultant gels were then calcined at 400 and 600C and were further characterized using TGA, FTIR and adsorption studies. The variation in specific surface area and adsorption characteristics is presented. The results indicate that the introduction of ammonium acrylate in boehmite sol is capable of creating mesoporous alumina with narrow pore size distribution.
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