Characterization and catalytic performance of potassium loaded on rice husk silica and zeolite nay for transesterification of jatropha seed oil
AUTOR(ES)
Montalbo, Kathrina D., Leon, Rizalinda L. de, Sophiphun, Onsulang, Manadee, Saowanee, Prayoonpokarach, Sanchai, Wittayakun, Jatuporn
FONTE
Quím. Nova
DATA DE PUBLICAÇÃO
2013
RESUMO
Rice husk silica (RHS) and NaY were used as supports for potassium (K) prepared from acetate buffer (B) and acetate (A) solutions. K loading did not destroy the NaY structure, but it caused a decrease in the surface area; the K species resided in micropores and on the external surface. In contrast, K loading resulted in the collapse and a decrease in the surface area of RHS. It was found that 12K/NaY-B was the most active catalyst for the transesterification of Jatropha seed oil. The minimum K content in K/NaY-B that provided complete conversion of the Jatropha seed oil was 11 wt%, and the biodiesel yield was 77.9%.
Documentos Relacionados
- Properties of silica from rice husk and rice husk ash and their utilization for zeolite y synthesis
- ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOL
- Synthesis and characterization of asphalt composite precursors using amorphous rice husk silica
- Characterization of Silica Produced from Rice Husk Ash: Comparison of Purification and Processing Methods
- Effects of Na and K ions on the crystallization of low-silica X zeolite and its catalytic performance for alkylation of toluene with methanol