| Journal: | Materials research |
| Database: | PERIÓDICA |
| System number: | 000312898 |
| ISSN: | 1516-1439 |
| Authors: | Araujo, Lucia Regina Raddi de1 Scofield, Cynthia Fraga Pastura, Nidia Maria Ribeiro Gonzalez, Wilma de Araujo2 |
| Institutions: | 1Universidade do Estado do Rio de Janeiro, Instituto de Quimica, Rio de Janeiro. Brasil 2Instituto Militar de Engenharia, Departamento de Engenharia Quimica, Rio de Janeiro. Brasil |
| Year: | 2006 |
| Season: | Abr-Jun |
| Volumen: | 9 |
| Number: | 2 |
| Pages: | 181-184 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Nota breve o noticia |
| Approach: | Experimental |
| English abstract | Al2O3 and H3PO4/Al2O3 catalysts were investigated in the conversion of oleic acid to biofuels and biolubricant at 1 atm and at 623 K. The catalytic tests were performed in a fixed bed and continuous flow reactor, using an oleic acid-catalyst ratio of 4 and N2 as the carrier gas. The reaction products were analyzed by gas chromatography and acidity measurements. N2 adsorption-desorption, X ray diffraction, 31P nuclear magnetic resonance and FT-IR spectroscopy were also employed to evaluate the textural, structural and acidic properties of the catalysts. The results showed that phosphoric acid impregnation improved the alumina decarboxylation activities, generating hydrocarbons in the range of gasoline, diesel oil and lubricant oil. The best catalytic performance was achieved with the highest surface area alumina impregnated with H3PO4, which was the solid that allied high total acidity with a large quantity of mesopores |
| Disciplines: | Ingeniería, Química |
| Keyword: | Ingeniería de energéticos, Ingeniería química, Química industrial, Biocombustibles, Acido oleico, Catalizadores, Rendimiento |
| Keyword: | Engineering, Chemistry, Chemical engineering, Energy engineering, Industrial chemistry, Biofuels, Oleic acid, Catalysts, Yield |
| Full text: | Texto completo (Ver HTML) |
