Composting

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What would be your ideal centralized composting solution for a village/small town? (slrpnk.net)

submitted 11 months ago by [email protected] to c/[email protected]

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Earlier today I posted to the farming community to ask about a photobash of a village I'm working on. One of the suggestions I'd received in my last search for inputs was a centralized composting solution, which I think makes sense for a solarpunk community. Everybody contributes organic waste and everyone benefits.

I started doing some reading about options from a random state website so I guess you can assume that's the absolute upper limit of my understanding of composting at this time. I just want to represent it well and if there's any good talking points that could go into the picture's text write up to drive discussion, I'd love to include them.

One thing I saw was that with aeration, you can do negative pressure systems which suck air from the compost windrow to pull in fresh air - if you did that, could you divert the compost offgassing (which should be a decent amount of CO2 right?) into the greenhouses to boost the plant growth without burning fuel?

Thanks for any input

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[–] [email protected] 4 points 11 months ago

For example, would something like this, with covered windrows, make sense here?

[–] [email protected] 4 points 11 months ago (2 children)

I suspect that a community scale anaerobic bio-digester to produce biogas would be more useful in most cases.

[–] [email protected] 3 points 11 months ago

I like this for the power generation capability and the ability to handle multiple kinds of organic waste. I still have to figure out the wastewater treatment solution for the village so this seems like a step in that direction as well. I'll have to do more reading on it.

[–] [email protected] 3 points 11 months ago

hacked a few pieces together, hopefully it's got everything they'd need - I'm keeping the windrows for now, but added a bio-digester that's hopefully large enough to cover the needs of the community. I also added a grove of paulownia elongata pollards for shading animals and producing woodgas from the branches based on a discussion on reddit (the wrong types can be invasive, so I figure it'd be good to grow it in a somewhat controllable area).