基于原位硫酸钡杂化直接染料制备阳离子染料废水处理的高效吸附剂

项目名称： 基于原位硫酸钡杂化直接染料制备阳离子染料废水处理的高效吸附剂

项目编号： No.21307015

项目类型： 青年科学基金项目

立项/批准年度： 2014

项目学科： 环境科学、安全科学

项目作者： 赵丹华

作者单位： 广东第二师范学院

项目金额： 25万元

中文摘要： 活性位点的增加是提高无机/有机杂化吸附剂吸附性能的重要因素，而无机配体的选择与调控是增加吸附剂活性位点的关键因素。项目组前期成果表明，无机骨架材料的不同既可以调节吸附剂稳定性，又可以实现活性组分的最大化固载。鉴于此，我们提出如下假说：无机骨架材料对无机/有机杂化吸附剂的实际应用具有重要的调控作用。本研究拟选择难溶于酸碱的硫酸钡作为无机骨架材料，通过原位杂化固载直接染料废水，进而制备阳离子染料废水处理的高效吸附剂。通过各种分析技术和测试手段测定吸附剂的组成，表征吸附剂的结构，利用langmiur、Frendlich等模型阐明吸附剂的吸附机理，揭示硫酸钡原位杂化染料的发生机制以及硫酸钡提高吸附剂吸附性能的原理，探究吸附剂制备及阳离子染料废水处理的最佳工艺参数，建立直接染料废水与阳离子染料废水协同治理的新方法，为高浓度有机工业废水的环境友好处理进行有益的尝试性研究。

中文关键词： 染料废水；吸附剂；杂化；直接染料；阳离子染料

英文摘要： The increase of the active sites is an important factor to improve the adsorption properties of inorganic/organic hybrid adsorbent, and the selection and regulation of the inorganic ligand is the critical factor to increase the active sites of the adsorbent. The previous results indicated that the different inorganic framework materials can not only adjust the stability of the adsorbent but also achieve to maximize immobilized of the active component. Therefore, we propose the following hypothesis: inorganic framework has an important role in the regulation of the practical application of inorganic/organic hybrid adsorbents in wastewater treatment. The objective of this work is to establish a new-type wastewater treatment method by in situ hybriding waste direct dyes into a harmless inorganic skeleton BaSO4 for preparation the high effective adsorbent for treatment the cationic dyes wastewater. The morphology, composition and structure of the hybrid adsorbent will be characterized and tested by by a variety of analytical techniques and testing means. The occurrence mechanism of barium in situ hybriding dyes will be elucidated. The mechanism of adsorption of pollutants will be clarified by using the Langmiur and Frendlich isotherm for fitting or the other's interaction law. The effects of inorganic ligand on ad

英文关键词： dye wastewerat；adsorbent；hybrid；direct dye；cationic dye