Materiales de soporte para el crecimiento de biopelícula en un reactor de lecho fluidizado
Advanced support materials for biofilm attachment in a fluidized bed reactor
DOI:
https://doi.org/10.54167/tecnociencia.v2i2.74Keywords:
Wastewater, organic matter, bed fluidizationAbstract
The effect of low density support materials on a fludized bed reactor efficiency was evaluated. Several mineral materials with specific density lower than that exhibited by the silica sand were selected. Moreover, other porous materials with a specific density similar and an appparent density significant lower in comparison to that of the silica sand were also evaluated. We found that the mixture of polyester-expanded perlite and vitrified perlite resulted to be the best as support materials. The bed fluidization for polyester expanded perlite and vitrified perlite was achieved at a recirculation velocity of 0.45 and 0.55 cm seg-1, respectively. Both recirculation rates resulted to be lower than those requiered to fluidize similar density materials. These features allowed to the reactor to operate in a continuos mode without needed to wash the bed and avoiding its clogging.
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