助剂对石油污染土壤生物修复的强化作用

doi:10.3976/j.issn.1002-4026.2015.01.013

Abstract

Abstract: We addressed the impact of nutrient type and addition amount, and different surfactanton bioremediation effect of petroleum contaminated soil based on the addition of efficientoildegradation agent.Results show that nutrient type significantly affects the remediation process. Degradation rates of oil processed through addition of nitro ammonium phosphate and the mixed nitrogenrichfertilizer (NH4NO3：NH4H2PO4=5：1) are respectively 15.1% and 17.2% higher than that of the control.Bioremediation effect is better when the ratio of carbon and nitrogen is between 100：7.05 and 100：9.4, and the addition of fertilizer should be multiplelowdose. The processing effect of rhamnolipid is better than that of other chemical surfactants and its oildegradation rate is 8% higher than that of the control, superior to other chemical surfactants.

Key words: petroleum contaminated soil, bioremediation, surfactant, additive, nutrient

CLC Number:

ZHANG Qiang,ZHENG Liwen, KONG Xue, CHEN Guanhong,ZHANG Jingyu,WANG Jianing. Enhanced bioremediation of additive on petroleum contaminated soil[J].SHANDONG SCIENCE, 2015, 28(1): 78-81.

References

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Enhanced bioremediation of additive on petroleum contaminated soil

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