Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.marpolbul.2005.02.049
Title: Bioremediation of oil-contaminated sediments on an inter-tidal shoreline using a slow-release fertilizer and chitosan
Authors: Xu, R.
Lau, A.N.L.
Lim, Y.G. 
Obbard, J.P. 
Keywords: Biodegradation
Bioremediation
Chitosan
Petroleum hydrocarbons
Sediments
Slow-release fertilizer
Issue Date: 2005
Source: Xu, R., Lau, A.N.L., Lim, Y.G., Obbard, J.P. (2005). Bioremediation of oil-contaminated sediments on an inter-tidal shoreline using a slow-release fertilizer and chitosan. Marine Pollution Bulletin 51 (8-12) : 1062-1070. ScholarBank@NUS Repository. https://doi.org/10.1016/j.marpolbul.2005.02.049
Abstract: A 95-day field trial on the bioremediation of oil in beach sediment using Osmocote and chitosan was conducted on an inter-tidal foreshore in Singapore. Osmocote was the key factor in enhancing nutrient levels in sediments, the metabolic activity of the indigenous microbial biomass, and the biodegradation of aliphatics and polycyclic aromatic hydrocarbons (PAHs) with ring number of 2 and 3. In contrast, chitosan did not enhance these parameters in the presence of Osmocote. However, the addition of chitosan to Osmocote amended sediments significantly enhanced biodegradation of recalcitrant 4-6-ring PAHs. This is most likely due to the high oil adsorbancy capacity of chitosan, which enhances the bioavailability of high ring number PAHs to the microbial biomass.
Source Title: Marine Pollution Bulletin
URI: http://scholarbank.nus.edu.sg/handle/10635/74495
ISSN: 0025326X
DOI: 10.1016/j.marpolbul.2005.02.049
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