Behaviourof Aluminium During Water Treatment
ReportNo WSAA 85
Recentlythere has been increased concern regarding the effect of aluminium on humanhealth, particularly the effect of low levels of aluminium on renal dialysispatients. The long term effect on humans has also been linked with Alzheimer’sdisease.(10)
In asurvey of aluminium levels in Melbourne tap water, high levels of aluminiumabove the WHO guideline level of 200 m
Alspeciation studies were carried out on both the raw and treated water, using achemical separation scheme to isolate various fractions. Graphite furnaceatomic absorption spectrometery with detection limits of 2
Boththe Ion Electrode and Ion Chromatography were used in determining fluoride inthe raw and treated water. It was found that loss of fluoride happened duringalum treatment which was due to absorption of fluoride by the flocs andsignificant amounts of fluoride were found in the flocs.
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