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The hydrophobic (surface modified) silica aerogel (MSA) and hydrophilic (hydroxyl-group) silica aerogel (HSA) were prepared by ambient pressure drying method. The larger specific surface area was obtained in MSA (880.47m2g−1) and HSA (628.52m2g−1) compared with common silica aerogel. The ability of removal of Rhodamine B (RhB) and Methylene blue (MB) from aqueous solution was examined. Results showed...
In this study, two types of hydroxyapatite (HAP) with different degrees of crystallinity were prepared by a sol–gel method and a chemical precipitation method. Influences of crystallinity on the adsorption and dissolution properties of HAP, and the release of phosphorus (total phosphorus) during the adsorption of organic acid were investigated. Results showed that crystallinity had a great effect...
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