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Modeling Palm Bunch Ash Enhanced Bioremediation of Crude-Oil Contaminated Soil

Journal Name:

  • International Journal of Science and Engineering Investigations

Publication Year:

  • 2013

Key Words:

Author NameUniversity of Author
Abstract (2. Language): 
The rate of Bioremediation of crude oil contaminated soil ex-situ to which Palm Bunch Ash (PBA) was added has been studied in this work, based on Total Petroleum Hydrocarbon content. Four samples each were contaminated with 100 g, 200 g and 300 g respectively of crude oil and 0 g, 100 g, 200 g and 500 g of Palm Bunch Ash were added respectively to the four samples to produce twelve test samples. The samples were analysed for TPH content at two-week intervals after pollution for eight weeks, and the experimental data fit to four models to obtain the model that best fits the data. Results reveal that PBA enhanced bioremediation follows the logistic growth curve for microbial population growth with the yield coefficient (ratio of microbial population increase per unit substrate consumed) being constant. PBA enhances the rate of bioremediation especially at low levels of crude oil contamination, because at higher levels of crude oil contamination, the contaminant itself fosters microbial growth at a faster rate than increased addition of PBA
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  • 13
8-12
  • English

REFERENCES

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International Journal of Science and Engineering Investigati ons, Volume 2, Issue 13, February 2013 12
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