Simulated oil release from oil-contaminated marine sediment in the Bohai Sea, China
作者： Lingling Yuan , Longxi Han , Wenjie Bo , Hua Chen , Wenshen Gao
DOI: 10.1016/J.MARPOLBUL.2017.01.065
关键词: Dissolved organic carbon 、 Sediment contamination 、 Sediment pollution 、 Pollution 、 Oil spill 、 Sediment 、 Geology 、 Environmental chemistry 、 Environmental engineering 、 Salinity 、 Contamination
摘要: Abstract There is a high degree of heavy oil partitioning into marine sediments when an spill occurs. Contaminated sediment, as endogenous pollution source, can re-pollute overlying water slowly. In this study, static release process and its effects in sediment was investigated through series experiments with reproductive oil-contaminated sediment. The accurately simulated Lagergren first-order equation reached equilibration after 48 h. fitted curve for equilibrium concentration (C0) rate constant (k1) levels exhibited log relationship. instantaneous ( dC t dt ) also calculated. C0 increased increases temperature dissolved organic matter (DOM), decreasing salinity. k1 temperature, but not affected by DOM These results be used to better understand the fate contaminated Bohai Sea.
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