this post was submitted on 01 May 2025
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No Stupid Questions

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Our waterways are becoming more and more polluted due to PFAS, plastics, medicines, drugs, and new chemicals made by companies that just hand over the responsibility of cleaning to plants paid for by public moneys. Detecting the different chemicals and filtering them out if getting harder and harder. Could the simple solution of heating up past a point where even PFAS/forever chemicals decomposes (400C for PFAS, 500C to be more sure about other stuff) be alright?

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[–] sploosh@lemmy.world 2 points 2 days ago (1 children)

Yeah, turning wastewater plants into sewage distilleries doesn't seem like a public health win.

[–] GreyEyedGhost@lemmy.ca 2 points 2 days ago (1 children)

What exactly do you think evaporation ponds are doing, then?

[–] sploosh@lemmy.world 1 points 2 days ago (1 children)

Evaporation is a component of distilling, but if you don't capture the vapor and condense it it's just evaporation.

[–] Tja@programming.dev 0 points 2 days ago (2 children)

Why would you capture it? It's waste water, evaporation into the atmosphere should be fine.

[–] sploosh@lemmy.world 2 points 2 days ago (2 children)

Because if you capture it you're distilling instead of evaporating. I'm just pointing out the difference between the two. If you read further up, you will see that I don't think it's a good idea.

[–] GreyEyedGhost@lemmy.ca 0 points 1 day ago

Distillation doesn't have to be of water. Not all impurities are solid. And the evaporated water does go back into the water pool, just with steps we aren't directly involved in.

[–] Tja@programming.dev -1 points 2 days ago (1 children)

Has any ody suggesting distillation?

[–] sploosh@lemmy.world 1 points 2 days ago (1 children)

I cannot comprehend things for you.

[–] Tja@programming.dev 0 points 2 days ago

But you can make them up?

[–] atro_city@fedia.io 1 points 2 days ago (1 children)

There might be things in the vapor that haven't decomposed or that have decomposed, are toxic, and become airborne.

[–] Tja@programming.dev 1 points 1 day ago (1 children)

Like what? Heavy metals would precipitate, organic compounds would break down. (I'm not a chemist, just have general science background).

[–] desktop_user@lemmy.blahaj.zone 0 points 16 hours ago

not a chemist, but couldn't chemicals with boiling points near 95-100C like https://en.m.wikipedia.org/wiki/Methylmercury survive?