FACTORS AFFECTING RADIUM REMOVAL USING MIXED IRON-MANGANESE OXIDES

被引：0
|
作者：
MOTT, HV
SINGH, S
KONDAPALLY, VR
机构：
[1] South Dakota School of Mines and, Technology, Rapid City, SD, United States
来源：
JOURNAL AMERICAN WATER WORKS ASSOCIATION | 1993年 / 85卷 / 10期
关键词：
D O I：
10.1002/j.1551-8833.1993.tb06086.x
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Batch experiments confirmed that sorption of radium by a mixed iron-manganese oxide solid phase shows promise for treating radium-contaminated water. The capacities of these mixed oxides for sorption of radium depend on the composition of the solid phase, the pH of the aqueous solution, and the presence of competing cations. The removal of the oxide-radium complexes from aqueous suspension by manganese greensand filtration was also investigated. It was found that influent radium concentrations of 100 pCi/L were reduced to 2-9 pCi/L by this process. Additional study of the fate of radium in manganese greensand filters is recommended before this procedure is used for drinking water treatment.
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页码：114 / 121
页数：8
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