Journal
MICROCHEMICAL JOURNAL
Volume 147, Issue -, Pages 872-878Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.microc.2019.03.081
Keywords
Suaeda heteroptera Kitag; Nereis succinea; Oil degrading bacteria; Bioremediation; Oil pollution
Categories
Funding
- National Natural Science Foundation of China [41171389]
- Natural Science Foundation of Liaoning [2015020616]
- Wetland Degradation and Ecological Restoration Program of Panjin Pink Beach [PHL-XZ-2017013-002]
- Project of Marine Ecological Restoration Technology Research [19-3YJ09]
- SOA [201505]
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Petroleum, which is sometimes called modern industrial blood, is an important energy source. However, with the increased usage of oil and related products by industries, oil pollution is becoming increasingly serious. The methods used to remediate petroleum contaminated soil can be divided into physical, chemical, and biological remediation. In recent years, more attention has been paid to the bioremediation of soil and crude oil pollutants. In this study, a pot experiment investigated the use of N. succinea, S. heteroptera, and oil degrading bacteria as bioremediators. The changes in crude oil, petroleum hydrocarbons and the component degradation rate at different concentrations of crude oil were measured so that the removal effects of N. succinea, S. heteroptera, and oil degrading bacteria on soil crude oil contamination could be ascertained. The results show that the degradation rate for crude oil, normal hydrocarbons and PAHs in the S. heteroptera - N. succinea - oil degrading bacteria group was higher than in the S. heteroptera and S. heteroptera - oil degrading bacteria groups. The results showed that the biological disturbance caused by N. succinea can promote the growth of S. heteroptera, and that the root system of the plants provide a favorable breeding and growing environment for the oil degrading bacteria. The results also suggested that they synergistically promoted the degradation and removal of petroleum hydrocarbons and PAHs.
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