Cesium removal from drinking water using Prussian blue adsorption followed by anion exchange process

Autor: Zhongfang Lei, Xiang Liu, Duu-Jong Lee, Hisashi Tanaka, Durga Parajuli, Guan-Ru Chen, Kobayashi Takeshi, Yu-Kuo Lo, Tatsuya Kawasaki, Man-Li Chen, Tohru Kawamoto, Kawatsu Yoshiaki, Yin-Ru Chang
Rok vydání: 2017
Předmět:
Zdroj: Separation and Purification Technology. 172:147-151
ISSN: 1383-5866
DOI: 10.1016/j.seppur.2016.07.055
Popis: Prussian blue (PB) was proposed to be an effective cesium (Cs) adsorbent for drinking waterwork; however, the release of PB fragments from PB adsorbent matrix poses threat to water quality. This study examined the feasibility of a PB+anion exchange (AE) process for decontamination of Cs-polluted drinking water. Two scenarios were tested: AE granules over PB granules in a stimulated sand filter and PB column followed by AE column in a full-scale waterworks. Both scenarios revealed complete removal of Cs and PB fragments from the treated drinking waters, suggesting that the PB+AE unit can be the core of emergency response plan for typical drinking waterworks at nuclear accident threat.
Databáze: OpenAIRE