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  4. Prussian blue non-woven filter for cesium removal from drinking water
 
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Prussian blue non-woven filter for cesium removal from drinking water

Journal
Separation and Purification Technology
Journal Volume
153
Pages
37-42
Date Issued
2015
Author(s)
Chen G.-R.
Chang Y.-R.
Liu X.
Kawamoto T.
Tanaka H.
Parajuli D.
Chen M.-L.
Lo Y.-K.
Lei Z.
Lee D.-J.  
DOI
10.1016/j.seppur.2015.08.029
URI
https://scholars.lib.ntu.edu.tw/handle/123456789/408403
URL
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84940393680&doi=10.1016%2fj.seppur.2015.08.029&partnerID=40&md5=ad09b796cd3e0794043d8635125553f8
Abstract
Cesium (Cs) removal from tap waters is an emerging issue after the Fukushima Daiichi Nuclear Power Plant Disaster. Adsorbents highly specific to Cs in the presence of other alkali and alkali earth metals are desired to supply safe drinking waters to residents near the contaminated area. This work for the first time used Prussian blue (PB) nanoparticles implemented non-woven fabric as an efficient adsorbent for Cs removal. Adsorption isotherms were obtained using Langmuir equation at 288, 298 and 308 K, from which the maximum adsorption capacities were estimated as 216, 241, 260 mg/g. The studied PB-Cs adsorption was endothermic process while its capacity was lower in acid than in alkaline solutions. The column tests with synthetic raw water and pilot plant column with low and high-turbidity real raw waters revealed almost complete removal of Cs by sufficiently long contact time. All PB treatments had no noticeable effects on water quality while the produced water had no biological acute toxicities. Use of PB non-woven fabric for decontaminating Cs pollution in drinking water was discussed. © 2015 Elsevier B.V. All rights reserved.
Subjects
Cesium; Prussian blue; Tap water
SDGs

[SDGs]SDG6

Other Subjects
Adsorbents; Adsorption; Cesium; Nonwoven fabrics; Nuclear power plants; Pilot plants; Suspensions (fluids); Water; Water pollution; Water quality; Weaving; Adsorption capacities; Alkali earth metal; Alkaline solutions; Endothermic process; Fukushima dai-ichi nuclear power plants; Prussian blue; Safe drinking water; Tap water; Potable water
Type
journal article

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