期刊论文

中文

核化学与放射化学

0253-9950

2023

45

03

240-249

10.7538/hhx.2023.45.03.0240

国家自然科学基金面上项目(11575213)；

本校为第一机构

采用柱上淋洗方式,在硅球(SiO2)填料上原位负载亚铁氰化铜钾(Cu-PBA),制得SiO2/Cu-PBA复合材料固定床吸附柱。采用扫描电镜-能谱(SEM-EDS)、红外光谱(...展开更多 采用柱上淋洗方式,在硅球(SiO2)填料上原位负载亚铁氰化铜钾(Cu-PBA),制得SiO2/Cu-PBA复合材料固定床吸附柱。采用扫描电镜-能谱(SEM-EDS)、红外光谱(FTIR)、粉末X射线衍射(XRD)和N2吸附等温测试等手段对材料进行表征,证实了Cu-PBA的成功负载。通过批式法吸附实验,明确了SiO2/Cu-PBA在模拟地下水中对Cs+的最大吸附容量约为4.0 mg/g,30 min内达吸附平衡。进而系统研究了该材料在固定床系统中对Cs+的吸附行为,包括柱床高、柱内径、进水...

By using a column elution method,potassium copper ferrocyanide(Cu-PBA)was in situ loaded on silicon bead(SiO2)column packing,thereby yielding a SiO2/Cu-PBA fixed bed column.The characterizations of SiO2/Cu-PBA by SEM-EDS,FTIR,XRD and NMORE By using a column elution method,potassium copper ferrocyanide(Cu-PBA)was in situ loaded on silicon bead(SiO2)column packing,thereby yielding a SiO2/Cu-PBA fixed bed column.The characterizations of SiO2/Cu-PBA by SEM-EDS,FTIR,XRD and N2 adsorption-desorption isotherm techniques confirms the successful loading of Cu-PBA on SiO2.In batch experiments,it is foun...