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Adsorption of soluble metal ions from red mud by modified activated carbon
Zhou, H. L.; Li, D. Y.; Gong, G. Z.; Tian, Y. J.; Chen, Y. F.
2008
Conference Name5th China International Conference on High-Performance Ceramics (CICC-5)
Source PublicationKEY ENGINEERING MATERIALS Volume: 368-372 Pages: 1541-1544 Part: 1-2
Pages1541-1544
Conference DateMAY 10-13, 2007
Conference PlaceChangsha, PEOPLES R CHINA
PublisherTrans Tech Publications Ltd
AbstractActivated carbon was employed as the adsorption carrier for the metal ions in HCl solution of red mud, a solid waste produced in alumina industry. To improve the adsorption capacity to valuable metal ions, the activated carbon was modified by chemicals including HNO3, H2O2, H2SO4, H3PO4, NH3, Na2CO3, and tri-butyl phosphate (TBP). It was found that the modifications contributed the high adsorption capacity to almost all metal ions we focused on. In the case of TBP, remarkably higher adsorption capacity and selectivity of Sc3+ was observed. The correlation between the surface areas, IR spectra of those chemically modified activated carbons and adsorption was schemed.
KeywordActivated Carbon Chemical Modifier Red Mud Scandium
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Indexed ByISTP
Language英语
Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11324
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Zhou, H. L.,Li, D. Y.,Gong, G. Z.,et al. Adsorption of soluble metal ions from red mud by modified activated carbon[C]:Trans Tech Publications Ltd,2008:1541-1544.
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