ASSESSMENT OF THE CATALYTIC PROPERTIES OF BISMUTH COMPOUNDS IN SOYBEAN OIL METHANOLYSIS

作者：da Silva Fabiano Rosa^*; Brugnago Ricardo Jose; Marangoni Rafael; Cordeiro Claudiney Soares; Nakagaki Shirley; Wypych Fernando; Ramos Luiz Pereira

来源：Quimica Nova, 2012, 35(1): 108-113.

• biodiesel
• bismuth
• transesterification

ASSESSMENT OF THE CATALYTIC PROPERTIES OF BISMUTH COMPOUNDS IN SOYBEAN OIL METHANOLYSIS. Sodium bismuthate dihydrate and two species derived from its thermal treatment were investigated as catalysts for soybean oil methanolysis and, regardless of the type of solid used, ester yields always above 76 wt% were obtained. After a single reaction course, both liquid and solid phases were characterized using several analytical methods such as X-ray diffraction and thermogravimetric analysis. As a result, the catalytic phenomenon was shown to be solely due to the leaching of alkalinecatalytic species from the solid materials.

• 出版日期2012