The thesis uses self-developed immobilized bioremediation preparations to carry out on-site trials of bioremediation of oil spilled contaminated beaches, with a view to solving the practical problem that traditional dry powder / liquid bioremediation preparations are difficult to be applied on site in oil contaminated shores. The degradation characteristics of the marine petroleum degrading bacteria group DC10 were studied, and a degrading bacteria agent based on the bacteria group was developed and used in the bioremediation experiment of Dalian Oil Spilled Beach, and the intertidal and upper tidal belts were investigated by the degrading bacteria agent The degradation of oil pollution was evaluated by analysing the degradation rates of C17 / hopene, C18 / hopene, and total alkane and total aromatics. The study found that the degradation rate of the degrading bacteria group DC10 to petroleum under laboratory conditions was higher than that of the constituent strains. The degradation rate of petroleum in one week was about 60% higher than that of the control, and it could degrade most alkanes and aromatics.
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