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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Bioremediation of industrial VOC air pollutants

Nikakhtari, Hossein 03 April 2006
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.
2

Bioremediation of industrial VOC air pollutants

Nikakhtari, Hossein 03 April 2006 (has links)
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.

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