@@INTRODUCTIONIn the course of the past two decades,drinking water treatment technology has advancedunder the combined influence of threesimultaneously occurring factors:- a steady increase in the pollution of naturalwaters;- a continued enhancement of the sensitivityand accuracy of analytical methods;- a continual raising of drinking waterstandards.In the past,treatment lines differedgreatly according to the characteristics of the watersource involved.The aforementioned factors have furtherincreased their diversity and complexity.
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