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'Unidentified product' found in US tap water could be toxic, study says
(www.usatoday.com)
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this post was submitted on 21 Nov 2024
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I can't find a public access version of that article tho.. I wonder if any common filtering methods work on this substance?
(this issue of Science just came out, so maybe the access issue will resolve itself in the next few days)
Chloramines suck to get rid of, brewers sometimes use metabisulfite tablets . Pool people superchlorinate the water with free chlorine/bleach, which breaks down the chloramine then quickly gasses off. Carbon filters don't work that well for chloramines, you have to really slow down flow for it to be effective. Not sure if any of these techniques would have any effect on the anions in this paper.
You could use adsorption with activated carbon perhaps? it is used to filter out chloramine. Or use UV-Light.
Can't remember my chemistry, would the anion fuck with the carbon and not bind to it?
Well yeah kinda. You get Carbondioxide and Chlorine and a very nucleophile Nitramide Anion which would react with water. But you would get it dissolved. The Chlorine could get then be removed by the activated carbon. Removing a Chloronitramide anion is something that isnt really feasible/affordable by a DIY homebrew water filtration system. Especially since newly indentified.
Thanks for the info!
Don't see open access for the paper either unfortunately, I guess we'll have to wait a bit.