Temperature and moisture effect on spore emission in the fungal biofiltration of hydrophobic VOCs

Alberto Vergara-Fernández, Vanida Salgado-Ísmodes, Miguel Pino, Sergio Hernández, Sergio Revah

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13 Scopus citations


The effect of temperature and moisture on the elimination capacity (EC), CO2 production and spore emission by Fusarium solani was studied in biofilters packed with vermiculite and fed with n-pentane. Three temperatures (15, 25 and 35°C) were tested and the highest average EC (64 g m -3 h-1) and lower emission of spores (2.0 × 10 3 CFU m-3 air) were obtained at 25°C. The effect of moisture content of the packing material indicates that the highest EC (65 g m-3 h-1) was obtained at 50% moisture. However, lowest emission (1.3 × 103 CFU m-3 air) was obtained at 80% moisture. Furthermore, the results show that a slight decrease in spore emission was found with increasing moisture content. In all cases, the depletion of the nitrogen source in the biofilter induced the sporulation, a decay of the EC and increased spore emission. Copyright
Original languageAmerican English
Pages (from-to)605-613
Number of pages9
JournalJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Issue number4
StatePublished - 1 Mar 2012
Externally publishedYes


  • Fungal biofiltration
  • Fusarium solani
  • Hydrophobic VOCs
  • Moisture
  • Spore emission
  • Temperature

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