凹凸棒石功能化及其吸附应用研究进展
Progress in Functionalization of Attapulgite and Its Application in Adsorption
查看参考文献74篇
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文摘
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水污染问题已在全球范围内引起极大关注。然而,水体中污染物种类繁多、稳定性强且难降解,用传统处理方法如物理絮凝、自然沉降和过滤等,已难以高效、完全去除水中污染物。近年来,吸附法由于具有高效、低成本、易于操作、吸附剂易得等优势备受青睐。凹凸棒石是一种具有层链状结构和纳米棒状晶体形态的天然含水富镁铝硅酸盐黏土矿物,具有较大的比表面积、丰富的纳米孔道和活性表面基团,因而表现出优异的吸附特性,同时兼有低成本、安全和环保等优势,作为天然吸附材料在环境修复领域展现出巨大应用前景。本文综述了凹凸棒石功能化改性及其在污染物吸附研究方面的最新研究进展。 |
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其他语种文摘
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The problem of water pollution has aroused great concern on a global scale. However,there are many kinds of pollutants in water with strong stability and being hard to be degraded. It is difficult to remove pollutants efficiently and completely by traditional methods such as physical flocculation, natural sedimentation, and filtration. In recent years, the adsorption method has been favored due to its advantages of high efficiency, low cost, easy operation,and easy availability of adsorbents. Attapulgite is a natural hydrous magnesium-rich aluminosilicate clay mineral with a layer-chain structure and a nanorod-like crystal morphology. Attapulgite has a large specific surface area,abundant nanochannels,and active surface groups, thus exhibiting excellent adsorption characteristics, combined with advantages of low cost, safety and environmental protection. As natural adsorbent materials, attapulgite shows great application prospects in the field of environmental remediation. In this paper,recent advances in functionalization of attapulgite and its application in adsorption of pollutants and adsorption mechanism are summarized and reviewed. |
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来源
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高分子通报
,2018(8):87-98 【核心库】
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DOI
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10.14028/j.cnki.1003-3726.2018.08.016
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关键词
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凹凸棒石
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吸附
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改性
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污染物
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机理
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地址
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1.
甘肃省黏土矿物应用研究重点实验室, 甘肃省黏土矿物应用研究重点实验室, 兰州, 730000
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中国科学院大学, 北京, 100049
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中国科学院兰州化学物理研究所环境材料与生态化学研究发展中心, 兰州, 730000
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1003-3726 |
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学科
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化学 |
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基金
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国家自然科学基金
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甘肃省科技厅重点研发计划-国际合作项目
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文献收藏号
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CSCD:6311348
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