Biofiltration of Pyridine byShewanella putrefaciens in a Corn-Cob Packed Biotrickling Filter

A new strain of microorganism Shewanella putrefaciens was used for biofiltration of a pyridine laden air stream in a corn-cob packed biotrickling filter

Anil Kumar Mathur; C. B. Majumder

2008

Scholarcy highlights

  • A new strain of microorganism Shewanella putrefaciens was used for biofiltration of a pyridine laden air stream in a corn-cob packed biotrickling filter
  • In the biotrickling filter tested with S. putrefaciens, the maximum removal of pyridine is determined to be 100% at less than the average inlet concentration of 0.653 g m–3 and more than 93% at a higher average inlet concentration of 1.748 g m–3 with an empty bed residence time of 106 s
  • The maximum deviation of the elimination capacity from the 100% conversion line varied from 0.257 to 10.166% when going from phase I to VIII
  • Kinetic analysis showed that the maximum removal rate, rmax, and saturation constant, Ks, values for pyridine were calculated as 0.24 g m–3h–1 and 6.44 g m–3, respectively, with a correlation coefficient, R2, of 0.9939 and a standard deviation of error of 23.94%
  • The information contained indicates that the corn-cob packed biotrickling filter inoculated by S. putrefaciens should provide excellent performance in the removal of gaseous pyridine

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