Properties of silica from rice husk and rice husk ash and their utilization for zeolite y synthesis
This study compared properties of silica (SiO2) from rice husk (RH) and rice husk ash (RHA) extracted by acid- and heat-treatment. The SiO2 from RH was in amorphous phase with nearly 100% purity while that from RHA was in crystalline phase with 97.56% purity. Both extracted SiO2 were used in the syn...
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Sociedade Brasileira de Química