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RECORD NUMBER: 21 OF 23

Main Title Removal of Beryllium from Drinking Water by Chemical Coagulation and Lime Softening.
Author Lytle, D. A.; Summers, R. S.; Sorg, T. J.;
CORP Author Environmental Protection Agency, Cincinnati, OH. Drinking Water Research Div. ;Cincinnati Univ., OH.
Publisher c1992
Year Published 1992
Report Number EPA/600/J-93/004;
Stock Number PB93-150134
Subjects Beryllium; Potable water; Water treatment; Centrifuging; Coagulants; Removal; Calcium oxides; Ground water; Ohio River; Tests; Aluminum sulfate; Concentration(Composition); Surface waters; Performance evaluation; Alums; Iron chlorides; pH; Turbidity; Reprints; Drinking water; Lime softening
Holdings
Library   Call Number Additional Info Location Date Modified
NTIS PB93-150134 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/12/1993
Collation 12p
Abstract The effectiveness of conventional drinking water treatment and lime softening was evaluated for beryllium removal from two drinking water sources. Jar test studies were conducted to determine how common coagulants (aluminum sulfate and ferric chloride) and lime softening performed in removing beryllium from spiked waters. Centrifugation was used to simulate filtration. The two source waters used were raw Ohio River water and groundwater from the Great Miami Aquifer. The impact of initial beryllium concentration, coagulant dose, turbidity and pH on beryllium removal was examined and optimum treatment conditions were determined. Jar tests using alum and ferric chloride coagulants were able to achieve 95% and 85% removal of beryllium respectively from surface water. Removal efficiency increased as the pH was increased. Based on the data collected in the study, coprecipitation and precipitation are the two likely mechanisms responsible for beryllium removal.
Supplementary Notes Pub. in Jnl. of Water Supply Research and Technology-AQUA, v41 n6 p330-339, 1992. Prepared in cooperation with Cincinnati Univ., OH.
NTIS Title Notes Journal article.
Title Annotations Reprint: Removal of Beryllium from Drinking Water by Chemical Coagulation and Lime Softening.
Category Codes 50B; 48G; 99D
NTIS Prices PC A03/MF A01
Primary Description 600/14
Document Type NT
Control Number 307034633
Cataloging Source NTIS/MT
Origin NTIS
Type CAT


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