期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 20, 期 12, 页码 7231-7254出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2020.18748
关键词
Heavy Metal Ions; Waste Batteries; Metal Oxides; Modification; pH
类别
资金
- National Natural Science Foundation of China [21876015, 21808018, 21822807]
- Applied Basic Research of Changzhou [CJ20180055]
- Natural Science Research of Jiangsu Higher Education Institutions of China [18KJB610002]
- Science and Technology Support Program of Changzhou [CE20185015]
- Postgraduate Research and Practice Innovation Program of Jiangsu Province [SJCX18 0958]
How to remove harmful heavy metal ions from waste batteries or lithium cells efficiently has been the focus of scholars. More and more metal oxides had been used to deal with the pollution of heavy metal caused by waste batteries in recent years. Nanostructured metal oxides have great potential because of their large comparative areas. The adsorption for these heavy metal ions can be further improved by using modified metal oxides as adsorbents. At present, iron oxide is widely used in this field. Other metal oxides have also been studied in removing these heavy metal ions. Compared to other metal oxides, the adsorbents made of iron oxide are easy to be separated from the reaction system. pH value in the solution can affect the activity of adsorption sites on metal oxides adsorbents and change the distribution of ions in solution. As a result, pH value can significantly influence the adsorption of metal oxides adsorbents for heavy metal ions from waste batteries or lithium cells.
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