GBH News | What happens to the food you put down your garbage disposal? @GBHNews | Uploaded September 2024 | Updated October 2024, 27 minutes ago.
Out of sight out of mind? Sure. But did you ever wonder what happens to your food scraps after you’ve stuffed them down the garbage disposal?

In this episode we bring you the answer – and it’s an epic journey from sink to sewer to sea.

00:30 anaerobic digesters
00:40 how garbage disposals work
1:25 how the sewer system works
2:04 Inside the Deer Island treatment plant (Boston, MA)
3:20 gravity thickeners (yes, that's what they're called!)
3:35 140-foot tall 'digesters' (yes, that's what they're called!)
4:00 sludge
4;20 how Deer Island turns waste into energy and fertilizer
4:55 "serious" bleach

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