使用硅胶/颗粒物吸附水中污染物的工艺 Lawrence Livermore开发了活性炭（GAC）复合材料 国家实验室（LLNL）。与GAC一样，气凝胶具有非常大的表面积 （约1000 m2/g），但它还有一个额外的优点，即疏水性和低密度。与GAC不同的是，这种复合材料可以去除两种挥发性物质 有机化合物（VOCs）和金属。LLNL之前的工作研究了用含磷浓缩铀去除铀 疏水性气凝胶/GAC复合材料。制备富磷气凝胶GAC复合材料 在没有复合材料的情况下，改进了GAC上方的铀去除。改变类型和 磷（磷酸盐，1%或17%H₃PO₄）的含量影响铀的去除， 基于等温线数据的分析。此外，吸附性通过色谱柱进行了确认 测试和现场演示。本文简要讨论了这项与铀有关的工作 展示气凝胶-活性炭复合材料去除氧的潜力- 阴离子。包括表格，数字。

A process for the adsorption of contaminants from water using silica aerogel/granular activated carbon (GAC) composites has been developed by Lawrence Livermore National Laboratory (LLNL). Like GAC, the aerogel has a very large surface area (approximately 1000 m2/g), but it has the added advantage of being hydrophobic with a low density. Unlike GAC, the composite can remove both volatile organic compounds (VOCs) and metals. Previous work at LLNL has investigated uranium removal by a phosphorous enriched hydrophobic aerogel/GAC composite. Producing a P-enriched aerogel-GAC composite improved uranium removal above the GAC without the composite. Varying the type and amount of phosphorous (phosphonate, 1% or 17% H₃PO₄) affected uranium removal, based upon analysis of isotherm data. Additionally, adsorbency was confirmed via column tests and a field demonstration. This paper briefly discusses this uranium-related work to demonstrate the potential for aerogel-GAC composite materials to remove oxo-anions. Includes table, figures.