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Biodegradation of Waste gas Containing Benzene by using Corn-Cob based Biofilter

Author Affiliations

  • 1Chemical Engineering Department, Indian Institute of Technology, Roorkee-247667, INDIA
  • 2 Uttar Pradesh, Pollution Control Board, Agra-282007, INDIA

Res.J.chem.sci., Volume 2, Issue (6), Pages 60-65, June,18 (2012)


In this present study, a bacterial strain is capable of utilizing benzene as a sole carbon source was isolated from biofilter. Based on the biochemical test the microbes was identified as Bacillus sphaericus. Performance of a biofilter packed with corn-cob packing media was studied for biolfiltration. The removal of benzene was evaluated for various concentration range from 0.0893 to 0.1006 and at empty bed residence time (EBRT) varying from 3.06 to 1.15 s. The experiment was conducted for a period of 68 days in five different phases. When the benzene loading was less than 1.9033 gm-3h-1, nearly 99.95% removal could be achieved. A maximum elimination capacity of 2.377 gm-3h-1 was obtained at a loading of 2.5109 gm-3h-1 with an empty bed residence time (EBRT) of 138 s in phase II.


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