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Quantitative recovery of high purity nanoporous silica from waste products of the phosphate fertilizer industry

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dc.contributor.author Elineema, Gideon
dc.contributor.author Kim, Jong Kil
dc.contributor.author Hilonga, Askwar
dc.contributor.author Shao, Godlisten Namwel
dc.contributor.author Kim, You-Na
dc.contributor.author Quang, Dang Viet
dc.contributor.author Sarawade, Pradip B.
dc.contributor.author Kim, Hee Taik
dc.date.accessioned 2019-11-08T07:49:06Z
dc.date.available 2019-11-08T07:49:06Z
dc.date.issued 2013-01-25
dc.identifier.uri https://doi.org/10.1016/j.jiec.2012.07.001
dc.identifier.uri http://dspace.nm-aist.ac.tz/handle/123456789/516
dc.description Research Article published by Elsevier Volume 19, Issue 1, 25 January 2013 en_US
dc.description.abstract This study reports on the quantitative recovery of high purity nanoporous silica from wastes material (H2SiF6) of the phosphate fertilizer industry and Na2O·SiO2. The silica recovered from the wastes was compared with silica from the reaction of H2SO4 and Na2O·SiO2 because H2SO4 is commonly used. The product recovered from the wastes material and H2SO4 were 99.3% and 99.1% pure, respectively. The quantity recovered were 22.30 g and 20.11 g, respectively. The product had superior properties suitable for applications such as chromatography, reinforcing material for rubber and plastics. The process may significantly reduce the release of SiF4 gas into the environment. en_US
dc.language.iso en en_US
dc.publisher Elsevier en_US
dc.subject Nanoporous silica en_US
dc.subject Hexaflorosilicic acid en_US
dc.subject Sodium silicate en_US
dc.title Quantitative recovery of high purity nanoporous silica from waste products of the phosphate fertilizer industry en_US
dc.type Article en_US


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