Radium Removal from Groundwater Using Sorption to Filter Sandby Richard L. Valentine, Univ of Iowa, Iowa City, IA, USA,
Roger C. Splinter, Univ of Iowa, Iowa City, IA, USA,
Timothy Mulholland, Univ of Iowa, Iowa City, IA, USA,
Richard P. Lauch, Univ of Iowa, Iowa City, IA, USA,
Abstract: The use of this novel process to remove sufficient radium from drinking water by filter sand has been demonstrated. A major potential advantage of this process is that a minimal capital investment would be required. It is likely that existing sand filters could be used depending on their resistance to dilute acid or the feasibility of their modification to make them acid resistant. It is estimated that acid costs would be approximately 0. 01 to 0. 10 per 1000 gallons treated depending mostly on the regenerant pH.
Subject Headings: Sand filters | Water resources | Groundwater pollution | Acids | Groundwater
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