Experimental dynamic evaluation of three-phase reactors
Título del documento: Experimental dynamic evaluation of three-phase reactors
Revista: Brazilian journal of chemical engineering
Base de datos: PERIÓDICA
Número de sistema: 000309008
ISSN: 0104-6632
Autores: 1
2
3
Instituciones: 1Universidade Federal do Ceara, Centro de Tecnologia, Fortaleza, Ceara. Brasil
2Universidade Federal de Pernambuco, Centro de Tecnologia, Recife, Pernambuco. Brasil
3Universidade Estadual de Campinas, Faculdade de Engenharia Quimica, Campinas, Sao Paulo. Brasil
Año:
Periodo: Sep
Volumen: 22
Número: 3
Paginación: 443-452
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental
Resumen en inglés The hydrodynamic parameters were determined for two different three-phase systems (fluidized-bed and trickle-bed) through the experimental evaluation of the dynamic residence time distribution in the gas or liquid phase. For different fluid phase flow rates the fluidized-bed system was operated with a tracer in the gas phase and in the trickle-bed with a tracer in the liquid phase. The analysis of the processes was achieved through the application of different models representing the dynamic behavior of tracers present in the gas and liquid phases with a simulation of experimental operations of the three-phase reactors. The transfer functions developed for the two systems made it possible to estimate the hydrodynamic parameters providing the gas holdup (2.22 x 10-2 to 8.42 x 10-2) and the gas phase Peclet number (54.18 to 41.20) for the fluidized-bed and the liquid holdup (0.16 to 0.25), the liquid phase Peclet number (20.37 to 4.52) and wetting efficiency (0.34 to 0.56) for the trickle-bed
Disciplinas: Química
Palabras clave: Ingeniería química,
Lecho fluidizado,
Lecho irrigado,
Evaluación dinámica,
Distribución del tiempo de residencia,
Trazadores
Keyword: Chemistry,
Chemical engineering,
Fluidized bed,
Trickle bed,
Dynamic evaluation,
Residence time distribution,
Tracers
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