Adsorption of Cd and Cu to different types of microplastics in estuarine salt marsh medium

被引:36
作者
Almeida, C. Marisa R. [1 ]
Manjate, Edite [1 ,2 ]
Ramos, Sandra [1 ]
机构
[1] Univ Porto, CIMAR CIIMAR Ctr Interdisciplinar Invest Marinha, Av Gen Norton de Matos S-N, P-4450208 Matosinhos, Portugal
[2] Univ Porto, Fac Ciencias, Rua Campo Alegre 687, P-4169007 Porto, Portugal
关键词
Metals; Polyethylene microspheres; Fishing line fibers; Film plastic bags MPs; Bottle cap particles; PLASTIC PRODUCTION PELLETS; AQUATIC ENVIRONMENTS; ORGANIC POLLUTANTS; TRACE-METALS; CONTAMINATION; DEGRADATION;
D O I
10.1016/j.marpolbul.2019.110797
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This study aimed to investigate if microplastics (MPs) type (polyethylene microspheres (mPE), fishing line fibers, film plastic bags MPs and bottle cap particles) and aging affect MPs capacity to sorb Cd or Cu in estuarine salt marsh medium. Tests were carried out in elutriate solution, a simple medium obtained by mixing rhizosediment (sediment in contact with plants roots) with the respective estuarine water, that can be used to simulate water-sediment exchanges in estuarine salt marsh environments. After 7 days of exposure, metals adsorption was only detected for film MPs. No differences were observed between virgin and aged MPs. Salinity also did not influence metal adsorption to mPE. Present results indicate that in estuarine salt marsh areas some types of MPs might adsorb metals, which could affect metals availability.
引用
收藏
页数:5
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