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Books > Professional & Technical > Energy technology & engineering > Fossil fuel technologies > Petroleum technology
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Biovalorisation of Liquid and Gaseous Effluents of Oil Refinery and Petrochemical Industry (Paperback)
Loot Price: R2,443
Discovery Miles 24 430
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Biovalorisation of Liquid and Gaseous Effluents of Oil Refinery and Petrochemical Industry (Paperback)
Series: IHE Delft PhD Thesis Series
Expected to ship within 12 - 17 working days
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A bidirectional approach of detoxifying the liquid and gaseous
effluents of oil refineries is elucidated in this thesis. Liquid
effluents of oil refineries contain selenium oxyanions and phenol,
while gaseous effluents contain CO/syngas. To remove the phenol and
simultaneously reduce the selenite oxyanions, a fungal-bacterial
co-culture of Phanerochaete chrysosporium and Delftia lacustris was
developed. Two modes of co-cultures of the fungus and the bacterium
were developed. Both cultures were investigated for phenol
degradation and selenite reduction. In order to valorize the
CO/syngas by bioconversion techniques. an anaerobic methanogenic
sludge was acclimatized to use CO as the sole carbon substrate to
produce acetic acid, butyric acid, and hexanoic acid. Later, the
acids were metabolized at lower pH, producing alcohols ethanol,
butanol and hexanol, confirming the successful enrichment strategy.
The next experiment focused on the absence of the trace element
tungsten, and consecutively selenium on the previously CO
acclimatized sludge under the same operating conditions. An in-situ
synthesized co-polymeric gel of N-ter-butyl-acrylamide and acrylic
acid was used to recover ethanol, propanol and butanol from a
synthetic fermentation broth. The scope of repeated use of the gel
for alcohol recovery was investigated and 98% alcohol was
recovered.
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