Remediation of Groundwater Contaminated by Heavy Metals Using Magnetic Separation Technique
Remediation of Groundwater Contaminated by Heavy Metals Using Magnetic Separation Technique
复制标题
磁选技术修复重金属污染地下水
DOI：
10.1088/1742-6596/1293/1/012080
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
Yoko Akiyama
中科院分区：
文献类型：
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作者：
Albino Jose Amosse;Yoko Akiyama
重金属污染已成为当今最严重的环境问题之一。对环境污染的研究表明，在过去十年中，许多国家的重金属离子水污染达到了前所未有的程度，非洲国家尤为突出。从污染水中去除这些有毒金属可以改善人类的生活质量，防止其不良影响。研究了磁性活性炭（MAC）和硅胶废弃物包覆MAC（MACSi）对水中铜、锰、锌离子的吸附性能，并利用磁分离技术将其从水中分离出来。MAC和MACSi的吸附结果表明，MACSi比MAC更能有效地吸附离子。红外光谱和X射线衍射分析表明，MAC表面包覆的SiO2为非晶态。
Heavy metals pollution has become one of the most serious environmental problems nowadays. Studies on the environmental pollution indicate that water pollution by heavy metals ions has reached unprecedented levels over the past decade in many countries, with highlights to African countries. Removal of these toxic metals from contaminated water can improve human being life quality and prevent from their adverse effects. This study aims to text the ability of magnetic activated carbon (MAC) and MAC coated with wastes of colloidal silica (MACSi) for adsorption of copper, manganese and zinc ions from water and its separation from water using magnetic separation technique. The adsorption results of MAC and MACSi showed that MACSi was more effective to adsorb the ions than MAC. FT-IR spectrum and XRD pattern of MACSi indicated that silica coating onto MAC surface is in amorphous form.