DOI: 10.1016/j.marpolbul.2016.03.038
Scopus记录号: 2-s2.0-84963542062
论文题名: The potential of oceanic transport and onshore leaching of additive-derived lead by marine macro-plastic debris
作者: Nakashima E. ; Isobe A. ; Kako S. ; Itai T. ; Takahashi S. ; Guo X.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2016
卷: 107, 期: 1 起始页码: 333
结束页码: 339
语种: 英语
英文关键词: Leaching experiment
; Lead
; Low-lead layer
; Plastic additives
Scopus关键词: Additives
; Beaches
; Debris
; Lead
; Leaching experiments
; Leaching process
; Long-distance transport
; Low-lead layer
; Pb concentration
; Physical abrasion
; Plastic additives
; Plastic marine debris
; Leaching
; lead
; surface water
; plastic
; waste
; water
; water pollutant
; beach
; experimental study
; leaching
; lead
; marine pollution
; plastic waste
; pollutant transport
; Article
; concentration (parameters)
; environmental impact assessment
; fishery
; leaching
; mathematical model
; pollution monitoring
; pollution transport
; sea pollution
; seashore
; surface property
; water contamination
; water pollutant
; water transport
; sea
; waste
; water flow
; water pollutant
; Lead
; Oceans and Seas
; Plastics
; Waste Products
; Water
; Water Movements
; Water Pollutants, Chemical
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: The long-distance transport potential of toxic lead (Pb) by plastic marine debris was examined by pure water leaching experiments using plastic fishery floats containing high level of additive-Pb such as 5100 ± 74.3 mg kg-1. The leaching of Pb ended after sequential 480-h leaching experiments, and the total leaching amount is equivalent to approximately 0.1% of total Pb in a float. But it recovered when the float was scratched using sandpaper. We propose that a "low-Pb layer," in which Pb concentration is negligibly small, be generated on the float surface by the initial leaching process. Thickness of the layer is estimated at 2.5 ± 1.2 μm, much shallower than flaws on floats scratched by sandpaper and floats littering beaches. The result suggests that the low-Pb layer is broken by physical abrasion when floats are washed ashore, and that Pb inside the floats can thereafter leach into beaches. © 2016 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/87028
Appears in Collections: 过去全球变化的重建 全球变化的国际研究计划
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作者单位: Center for Marine Environmental Studies, Ehime University, Matsuyama, Ehime, Japan; Tosa Food Business Creator Project Team, Kochi University, Nankoku, Kochi, Japan; Research Institute for Applied Mechanics, Kyushu University, Kasuga, Japan; Ocean Civil Engineering, Graduate School of Science and Engineering, Kagoshima University, Kagoshima, Japan; Center of Advanced Technology for the Environment, Faculty of Agriculture, Ehime University, Matsuyama, Ehime, Japan
Recommended Citation:
Nakashima E.,Isobe A.,Kako S.,et al. The potential of oceanic transport and onshore leaching of additive-derived lead by marine macro-plastic debris[J]. Marine Pollution Bulletin,2016-01-01,107(1)