随着我国工业化进程的加快,废水中重金属污染问题日益严重。传统重金属离子处理方法存在成本高、易产生二次污染等缺陷,新型吸附材料如海藻酸钠基复合材料、金属-有机骨架材料、气凝胶材料和氧化石墨烯复合材料对重金属离子的去除效果优异。介绍了4种新型材料在吸附废水中重金属离子方面的应用,总结了每种材料的优缺点并对新型吸附材料未来的发展前景进行了展望。
With the acceleration of industrialization in China,the pollution of heavy metals in wastewater is becoming more and more serious.Traditional heavy metal ion treatment methods have some defects such as high cost and easy to produce secondary pollution.However,new adsorption materials such as sodium alginate matrix composites,metal-organic framework materials,aerogel materials,and graphene oxide composites have excellent removal effects on heavy metal ions.The action mechanism,advantages,and disadvantages of the above four new materials were summarized,and prospected the develepment direction of the new adsorption materials.
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基金资助
国家自然科学基金(U1904174);河南科技攻关项目(212102310068);河南科技攻关项目(202102310280);河南科技攻关项目(222102320053)
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