globalchange  > 过去全球变化的重建
DOI: 10.1016/j.marpolbul.2018.01.001
Scopus记录号: 2-s2.0-85044384619
论文题名:
Effects of seawater mixing on the mobility of trace elements in acid phosphogypsum leachates
作者: Papaslioti E.-M.; Pérez-López R.; Parviainen A.; Sarmiento A.M.; Nieto J.M.; Marchesi C.; Delgado-Huertas A.; Garrido C.J.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2018
卷: 127
起始页码: 695
结束页码: 703
语种: 英语
英文关键词: Contaminants mobility ; Geochemical processes ; Huelva Estuary ; Phosphogypsum ; Seawater mixing
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
英文摘要: This research reports the effects of pH increase on contaminant mobility in phosphogypsum leachates by seawater mixing, as occurs with dumpings on marine environments. Acid leachates from a phosphogypsum stack located in the Estuary of Huelva (Spain) were mixed with seawater to achieve gradually pH 7. Concentrations of Al, Fe, Cr, Pb and U in mixed solutions significantly decreased with increasing pH by sorption and/or precipitation processes. Nevertheless, this study provides insight into the high contribution of the phosphogypsum stack to the release of other toxic elements (Co, Ni, Cu, Zn, As, Cd and Sb) to the coastal areas, as 80–100% of their initial concentrations behaved conservatively in mixing solutions with no participation in sorption processes. Stable isotopes ruled out connexion between different phosphogypsum-related wastewaters and unveiled possible weathering inputs of estuarine waters to the stack. The urgency of adopting effective restoration measures in the study area is also stressed. © 2018 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/88534
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: Instituto Andaluz de Ciencias de la Tierra, CSIC & UGR, Avenida de las Palmeras 4, Armilla, Granada, Spain; Department of Earth Sciences & Research Center on Natural Resources, Health and the Environment, University of Huelva, Campus ‘El Carmen’, Huelva, Spain; Department of Mining Engineering, Mechanics, Energy and Construction, University of Huelva, 21819 Palos de la Frontera, Huelva, Spain; Department of Mineralogy and Petrology, UGR, Avda. Fuentenueva s/n, Granada, Spain

Recommended Citation:
Papaslioti E.-M.,Pérez-López R.,Parviainen A.,et al. Effects of seawater mixing on the mobility of trace elements in acid phosphogypsum leachates[J]. Marine Pollution Bulletin,2018-01-01,127
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