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400
400 ad
during 400ad the Egyptians filtraited water using many ways like boiling, heating with use of the sun, or putting hot iron into it and more unpopular ways were sifting the water through gravel or sand. -
1627ad
next purifying techniques barely changed until 1627ad when a man named sir robert bacon made progress with sand purifying to get rid of salt from sea water -
1700ad
when the microwave was made it helped most amazingly on researching how to purify water being able to see all of the microorganisms in the water from this people started purifying water using charcoal, sponges, and wool to kill unwanted particles. -
1854ad
in this time a british scientist named john snow made an amazing discovery when he showed that cholera was transmitted by water, after many tests he found that chlorine can purify contaminated water and this method is now used for today in pools -
1900
at this time people finally started getting such pure water that they started setting standards to water quality this demand for good water all the time had started our work on advanced mass produced pure water methods we use to this day -
present day
still to this day people have found and continued to find cheap solutions to be able to give safe clean drinking water for all.