Removal of beryllium from drinking water by chemical coagulation and lime softening
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.
- Research Organization:
- Environmental Protection Agency, Cincinnati, OH (United States). Drinking Water Research Div.
- OSTI ID:
- 6701443
- Report Number(s):
- PB-93-150134/XAB; EPA-600/J-93/004
- Resource Relation:
- Other Information: Pub. in Jnl. of Water Supply Research and Technology-AQUA, Vol. 41, No. 6, 330-339(1992)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
BERYLLIUM
REMOVAL
DRINKING WATER
CHEMICAL ANALYSIS
ALUMINIUM
CALCIUM OXIDES
CENTRIFUGATION
COAGULANTS
COPRECIPITATION
EFFICIENCY
FILTRATION
GROUND WATER
IRON CHLORIDES
LIMESTONE
OHIO RIVER
PERFORMANCE TESTING
PH VALUE
PRECIPITATION
STATISTICAL DATA
SURFACE WATERS
TURBIDITY
WATER REMOVAL
WATER TREATMENT
ALKALINE EARTH METAL COMPOUNDS
ALKALINE EARTH METALS
CALCIUM COMPOUNDS
CARBONATE ROCKS
CHALCOGENIDES
CHLORIDES
CHLORINE COMPOUNDS
DATA
DRUGS
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
HEMATOLOGIC AGENTS
HYDROGEN COMPOUNDS
INFORMATION
IRON COMPOUNDS
METALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
RIVERS
ROCKS
SEDIMENTARY ROCKS
SEPARATION PROCESSES
STREAMS
TESTING
TRANSITION ELEMENT COMPOUNDS
WATER
540120* - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)