Oct 19, 2013

State of rare earth elements in different environmental components in mining areas of China

Environmental Monitoring and Assessment
Tao LiangLingqing Wang

Abstract

China has relatively abundant rare earth elements (REEs) reserves and will continue to be one of the major producers of REEs for the world market in the foreseeable future. However, due to the large scale of mining and refining activities, large amounts of REEs have been released to the surrounding environment and caused harmful effects on local residents. This paper summarizes the data about the contents and translocation of REEs in soils, waters, atmosphere, and plants in REE mining areas of China and discusses the characteristics of their forms, distribution, fractionation, and influencing factors. Obviously high concentrations of REEs with active and bioavailable forms are observed in all environmental media. The mobility and bioavailability of REEs are enhanced. The distribution patterns of REEs in soils and water bodies are all in line with their parent rocks. Significant fractionation phenomenon among individual members of REEs was found in soil-plant systems. However, limited knowledge was available for REEs in atmosphere. More studies focusing on the behavior of REEs in ambient air of REE mining areas in China are highly suggested. In addition, systematic study on the translocation and circulation of REEs in various me...Continue Reading

Mentioned in this Paper

Metals, Rare Earth
Chemical Fractionation
Soil Pollutants
Intracellular Translocation
Environmental Monitoring
Mining
Chromosomal Translocation
Compost
Cellular Translocation
Protein Translocation

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