Investigation of coagulation as a pretreatment for microfiltration in cesium removal by copper ferrocyanide adsorption

被引：14
|
作者：
Xu, Yao [1 ]
Gu, Ping [1 ]
Zhang, GuangHui [1 ]
Wang, XuQian [1 ]
机构：
[1] Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2017年 / 313卷 / 02期
基金：
美国国家科学基金会;
关键词：
Cesium removal; Coagulation; Decontamination performance; Adsorption; Cake layer resistances; Membrane pore resistances; COUNTERCURRENT 2-STAGE ADSORPTION; RADIOACTIVE-WASTE-WATER; NANOPARTICLES; BEADS;
D O I：
10.1007/s10967-017-5337-4
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An adsorption-coagulation-microfiltration (A-C-MF) hybrid process using copper ferrocyanide (CuFC) as the adsorbent was developed in this study for the removal of cesium from water. The effect of coagulant on cesium removal by CuFC adsorption was investigated. A simpler calculation method for determining the CuFC dosage was established based on the Freundlich adsorption isotherms. Although the volume of treated water was 1.32 times higher for the A-C-MF process than the adsorption-microfiltration (A-MF) process, the cake layer and membrane pore resistances in the former were both lower than those in the latter due to the coagulation process.
引用
收藏
页码：435 / 444
页数：10
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