Abstract：
:This work studied the bioremediation of weathered crude oil (WCO) in coastal sediment samples using central composite face centered design (CCFD) under response surface methodology (RSM). Initial oil concentration, biomass, nitrogen and phosphorus concentrations were used as independent variables (factors) and oil removal as dependent variable (response) in a 60 days trial. A statistically significant model for WCO removal was obtained. The coefficient of determination (R(2)=0.9732) and probability value (P<0.0001) demonstrated significance for the regression model. Numerical optimization based on desirability function were carried out for initial oil concentration of 2, 16 and 30 g per kg sediment and 83.13, 78.06 and 69.92 per cent removal were observed respectively, compare to 77.13, 74.17 and 69.87 per cent removal for un-optimized results.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Mohajeri L,Aziz HA,Isa MH,Zahed MAdoi
10.1016/j.biortech.2009.09.013subject
Has Abstractpub_date
2010-02-01 00:00:00pages
893-900issue
3eissn
0960-8524issn
1873-2976pii
S0960-8524(09)01188-2journal_volume
101pub_type
杂志文章abstract：:Microorganisms are the main contributing factor responsible for organic matter degradation during composting. In this research, the 454-pyrosequencing of the 16S rRNA gene was used to elucidate evolution of bacterial diversity during mesophilic, thermophilic and maturation composting stages of the two-phase olive mill...
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