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Suggest adding a section on home water filtration units as these are becoming an increasingly important consumer industry.
Two categories of filter...
I agree with the comment above. I will attempt to write some content on the page to delineate which filtration technologies are used in commercial processing of water (waste water treatment, drinking water treatment etc.) and which are used in point-of-use/domestic applications. I think it would also be useful to include some of the technologies being developed for use in developing world applications (e.g. fired earth filters, coal ash filters etc.) Jimjamjak (talk) 14:26, 5 March 2008 (UTC)[reply]