A designed nanoporous material for phosphate removal with high efficiency

Yang, Jie, Zhou, Liang, Zhao, Lingzhi, Zhang, Hongwei, Yin, Jiani, Wei, Guangfeng, Qian, Kun, Wang, Yunhua and Yu, Chengzhong (2011) A designed nanoporous material for phosphate removal with high efficiency. Journal of Materials Chemistry, 21 8: 2489-2494.


Author Yang, Jie
Zhou, Liang
Zhao, Lingzhi
Zhang, Hongwei
Yin, Jiani
Wei, Guangfeng
Qian, Kun
Wang, Yunhua
Yu, Chengzhong
Title A designed nanoporous material for phosphate removal with high efficiency
Journal name Journal of Materials Chemistry  (ERA 2012 Listed)    (ERA 2010 Rank A)   Check publisher's open access policy
Publication date 2011-02-28
Sub-type Article
DOI 10.1039/c0jm02718a
Volume number 21
Issue number 8
ISSN 0959-9428; 1364-5501
Start page 2489
End page 2494
Total pages 6
Place of publication Cambridge, U.K.
Publisher Royal Society of Chemistry
Collection year 2012
Language eng
Formatted abstract Functionalized mesoporous materials for phosphate removal with high efficiency and minimized sludge treatment or disposal problems have been developed. Biocompatible lanthanum adsorbents were loaded into a mesoporous silica SBA-15 which can be transformed to LaPO4 species with very low Ksp. La species were immobilized in the mesopores of La-SBA-15 by controlling the calcination temperature to avoid the leaching of functional component. By adjusting the pore size of the mesoporous support to control the nucleation and growth site, the phosphates can diffuse into the pore channels and react with La species. The nucleation of LaPO4 species takes place inside the pore and they further grow from inside to the outside of the pore channels, thus the phosphates can be adsorbed in the adsorbent. The designed nanoporous material has the highest phosphate removal capacity compared to literature reports and commercial products, which can prevent the excessive growth of blue green algae and thus have great potential in water body quality control and protection.
Keyword Phosphorus removal
Molecular-sieves
Fly-ash
Adsorption
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Sun, 13 Mar 2011, 00:11:57 EST