RCEES OpenIR  > 环境化学与生态毒理学国家重点实验室
TiO_2颗粒吸附材料除砷研究
景传勇; 崔金立
2014-08-04
Conference Name中国化学会第29届学术年会——第20分会:环境与健康
Conference Date2014-08-04
Conference Place中国北京
Department环境化学与生态毒理学国家重点实验室
Abstract高砷地下水在世界范围内广泛分布,对人体健康构成巨大威胁[1]。本研究应用TiO2颗粒对高砷地下水进行处理,为当地饮用水安全提供新的解决思路。批实验离子影响结果表明五价砷[As(V)]在TiO2上的吸附量由于钙、镁离子的存在分别提高了37%和42%;但钙、镁离子对三价砷[As(III)]的吸附影响不大。硅酸根使As(V)的吸附量降低57%,As(III)降低50%。碳酸氢根明显阻碍As(V)的吸附(52%),但对As(III)影响不大。现场柱实验结果表明,地下水中砷浓度为700μg/L,在空床接触时间(EBCT)为1.08 min时,进水968
Keyword Tio2颗粒 吸附 空床接触时间(Ebct) Phreeqc
Document Type会议论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/24896
Collection环境化学与生态毒理学国家重点实验室
Recommended Citation
GB/T 7714
景传勇,崔金立. TiO_2颗粒吸附材料除砷研究[C],2014.
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