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      Bioremediation of industrial VOC air pollutants

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      Hossein-Thesis.pdf (7.409Mb)
      Date
      2006-03-09
      Author
      Nikakhtari, Hossein
      Type
      Thesis
      Degree Level
      Doctoral
      Metadata
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      Abstract
      An External Loop Airlift Bioreactor with a small amount (99% porosity) of stainless steel mesh packing inserted in the riser section was used for bioremediation of a phenol polluted air stream. The packing enhanced VOC and oxygen mass transfer rates and provided a large surface area for cell immobilization. Using a pure strain of Pseudomonas putida, fed-batch and continuous runs at three different dilution rates were completed with phenol in the polluted air as the only source of growth substrate. 100% phenol removal was achieved at phenol loading rates up to 33120 mg/h.m3 using only one third of the column, superior to any previously reported biodegradation rates of phenol polluted air with 100% efficiency. A mathematical model has been developed and is shown to accurately predict the transient and steady state data.
      Degree
      Doctor of Philosophy (Ph.D.)
      Department
      Chemical Engineering
      Program
      Chemical Engineering
      Supervisor
      Hill, Gordon A.
      Committee
      Nemati, Mehdi; Lin, Yen-Han; Fleming, Ian R.; Phoenix, Aaron
      Copyright Date
      March 2006
      URI
      http://hdl.handle.net/10388/etd-03292006-164920
      Subject
      Bioremediation
      Biofilm
      Phenol
      Loop Bioreactor
      Packed Bed Bioreactor
      Air Pollution
      Mass Transfer
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      • Graduate Theses and Dissertations
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