Non-chemical Water Treatment Systems:Histories,Principles and Literature Review

摘要

The history of non-chemical water treatment systems (NCWTS) is long and controversial,marked by many claims for and against the effectiveness of such systems.Many investigators have examined the effectiveness of these systems with mixed results.Welder and Partridge in 1953,Wilkes and Baum in 1979 and Limpert and Raber in 1985 presented reviews of operating principles and claims for similar "new generation water conditioning devices." This paper feature provides a similar review for currently available commercial devices.