| Revista: | Brazilian journal of chemical engineering |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000308872 |
| ISSN: | 0104-6632 |
| Autores: | Pisani-Junior, R1 Moraes-Junior, D2 |
| Instituciones: | 1Universidade Federal de Sao Carlos, Departamento de Engenharia Quimica, Sao Carlos, Sao Paulo. Brasil 2Universidade Santa Cecilia, Santos, Sao Paulo. Brasil |
| Año: | 2003 |
| Periodo: | Jun |
| Volumen: | 20 |
| Número: | 2 |
| Paginación: | 95-103 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Experimental, aplicado |
| Resumen en inglés | In this work, SO2 was treated by reaction with dolomite limestone (24 µm) in a fluidized bed reactor composed of 500-590 µm sand particles. The influence of operating temperature (500, 600, 700 and 800ºC), superficial gas velocity (0.8, 1.0 and 1.2 m/s) and Ca/S molar ratio (1, 2 and 3) on SO2 removal efficiency for an inlet concentration of 1000 ppm was examined. Removal of the pollutant was found to be dependent on temperature and Ca/S molar ratio, particularly at 700 and 800°C. A maximum removal of 76% was achieved at a velocity of 0.8 m/s, a temperature of 800°C and a Ca/S of 3. The main residence time of the powder particles was determined by integrating normalized gas concentration curves as a function of time; the values found ranged from 4.1 to 14.4 min. It was concluded that the reactor operated in bubbling fluidization under every operational condition |
| Disciplinas: | Química |
| Palabras clave: | Ingeniería química, Reactor de lecho fluidizado, Dióxido de azufre, Remoción quimica, Dolomita, Fluidización de burbujas, Reacciones gas-sólido |
| Keyword: | Chemistry, Chemical engineering, Fluidized bed reactor, Sulfur dioxide, Chemical removal, Dolomite, Bubbling fluidization, Gas-solid reactions |
| Texto completo: | Texto completo (Ver HTML) |
