Adsorption of Phosphorus by Ce-Modified Lithium Silica Fume
This is a study about using cerium ions solution to modify lithium silica fume and the phosphorus adsorption by the modified material. The way to modify lithium silica fume and adsorption conditions has been researched. It was found that capacity of adsorption have been improved after modification b...
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| Veröffentlicht in: | Applied Mechanics and Materials 2013-08, Vol.368-370, p.687-691 |
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| creator | Lin, Wei Lan Gu, Jin Chuan Wang, Wen Yuan Wang, Yu Heng |
| description | This is a study about using cerium ions solution to modify lithium silica fume and the phosphorus adsorption by the modified material. The way to modify lithium silica fume and adsorption conditions has been researched. It was found that capacity of adsorption have been improved after modification by the cerium nitrate. In the adsorption test, we studied the effects of the concentration of cerium ions, the calcination temperature, the dosage, initial pH value, reaction temperature and other factors on the adsorption. The results indicated that after modifications by 3% cerium ions , calcinations at 573k, the adsorption of phosphorus can get more than 90% when modified lithium silica fume dosage is 9.6g.l-1 and the concentration of phosphorus solution is 4 mg.l-1. In addition, the Freundlich adsorption isotherm is fit for the description of the phosphorus adsorption. The phosphorus adsorption process was in accord with pseudo-second-order kinetic model. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.368-370.687 |
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The way to modify lithium silica fume and adsorption conditions has been researched. It was found that capacity of adsorption have been improved after modification by the cerium nitrate. In the adsorption test, we studied the effects of the concentration of cerium ions, the calcination temperature, the dosage, initial pH value, reaction temperature and other factors on the adsorption. The results indicated that after modifications by 3% cerium ions , calcinations at 573k, the adsorption of phosphorus can get more than 90% when modified lithium silica fume dosage is 9.6g.l-1 and the concentration of phosphorus solution is 4 mg.l-1. In addition, the Freundlich adsorption isotherm is fit for the description of the phosphorus adsorption. The phosphorus adsorption process was in accord with pseudo-second-order kinetic model.</description><identifier>ISSN: 1660-9336</identifier><identifier>ISSN: 1662-7482</identifier><identifier>ISBN: 3037857927</identifier><identifier>ISBN: 9783037857922</identifier><identifier>EISSN: 1662-7482</identifier><identifier>DOI: 10.4028/www.scientific.net/AMM.368-370.687</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><ispartof>Applied Mechanics and Materials, 2013-08, Vol.368-370, p.687-691</ispartof><rights>2013 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. 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The way to modify lithium silica fume and adsorption conditions has been researched. It was found that capacity of adsorption have been improved after modification by the cerium nitrate. In the adsorption test, we studied the effects of the concentration of cerium ions, the calcination temperature, the dosage, initial pH value, reaction temperature and other factors on the adsorption. The results indicated that after modifications by 3% cerium ions , calcinations at 573k, the adsorption of phosphorus can get more than 90% when modified lithium silica fume dosage is 9.6g.l-1 and the concentration of phosphorus solution is 4 mg.l-1. In addition, the Freundlich adsorption isotherm is fit for the description of the phosphorus adsorption. 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| title | Adsorption of Phosphorus by Ce-Modified Lithium Silica Fume |
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