Title: Strengthening Bioremediation of Oil Contaminated Soil by Activation Agent and Optimization of Bioremediation Conditions
Abstract: To strengthen bioremediation of oil contaminated soil,four kinds of activation agents were added to soil,including nitrogen source,glucose,H2O2 and sawdust.The strengthening effects for bioremediation of oil contaminated soil and relations of the four activation agents were studied through experiments.And then based on the result of single factor experiments,nitrogen source,H2O2 and sawdust amount respectively were chosen as the three significant factors most affecting oil degradation for response surface optimization and quadratic regression equation establishment in bioremediation of oil contaminated soil.The results showed that the optimal conditions strengthening bioremediation of oil contaminated soil were mC/mN of 24.6,H2O2 mass fraction of 0.32% and sawdust mass fraction of 2.9%,under which the theoretical value of oil residual rate reached 43.6%(Based on the oil content in oil contaminated soil before bioremediation) by 30 d soil bioremediation,and the validation value was 42.4%.It is clear that the model can be used to forecast and analyze the situation of strengthening bioremediation of oil contaminated soil.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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