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标题:Extraction of rare earth elements from a contaminated cropland soil using nitric acid, citric acid, and EDTA.
时间:2019-11-17 20:38:14
DOI:10.1080/09593330.2016.1244563
PMID:27776464
作者:Tang, Hailong; Shuai, Weitao; Wang, Xiaojing
出版源: Environmental Technology :1-7
摘要:(2016). Extraction of rare earth elements from a contaminated cropland soil using nitric acid, citric acid, and EDTA. Environmental Technology. Ahead of Print. doi: 10.1080/09593330.2016.1244563
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目录:
  • Abstract
  • 1. Introduction
  • 2. Materials and methods
    • 2.1. Soil sampling and characterization
    • 2.2. Soil washing experiments
    • 2.3. Analysis methods
  • 3. Results and discussion
    • 3.1. Characterization of the contaminated soil
    • 3.2. Effects of extraction time on the extraction efficiency
    • 3.3. Effects of the agent concentration on extraction efficiency
    • 3.4. Effects of the washing solution pH on extraction
    • 3.5. Changes of speciation of REEs before and after soil washing
    • 3.6. Possibility of REEs recovery from the extract
  • 4. Conclusion
  • Disclosure statement
  • References

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