Pressure-drops control strategy in a fixed-bed reactor.
(2001) Journal of Hazardous Materials — Vol. 81, n° 1-2, p. 115-122 (2001)
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- Abstract
- This paper presents a strategy to control pressure-drops (head loss) in a biofilter designed according to the "Mist-Foam" concept. This concept is based on the mixing of the gaseous substrate and a liquid nutrient solution with an atomization nozzle to generate a mist passing subsequently through a synthetic polyurethane foam. In this type of bioreactor, the microbial growth reduces progressively the empty bed volume of the biofilter and causes an increase in the pressure-drops. This phenomenon can result in a complete clogging of the biofilter. The strategy of pressure-drops control presented here consists of successive interruption of the liquid flow, automatically controlled, resulting in a drying effect of the biomass. Tested during a 160 days experiment, this system has permitted to reduce and stabilize the pressure-drops in a biofilter in which the carrier exhibited a high likelihood of clogging.
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Citations
Thalasso, F., Razo-Flores, E., Ancia, R., Naveau, H., & Nyns, E.-J. (2001). Pressure-drops control strategy in a fixed-bed reactor. Journal of Hazardous Materials, 81(1-2), 115-122. https://doi.org/10.1016/S0304-3894(00)00319-8 (Original work published 2001)