Paul Barnes

Thanks all for the info & advice.

I'm planning something like this system (only possibly with a smaller bin) https://permaculturenews.org/2018/12/21/how-to-make-a-compost-toilet/  . So the bin will drain away moisture through a grill near the base, and be ventilated top, base and with perforated pipes on the inside so the process will be aerobic, though obviously not as much air as a compost heap. The only difference is we want to separate the urine off as with it being for holiday guests keeping smell to a minimum is important, but I guess will still need to add some moisture to prevent everything getting too dry.

Maybe the best way to go is to trial with smaller 80/110L bins and if we find they're not composting down sufficiently on their own we do as Bob suggests and transfer the contents to a larger compost heap to finish the process off.

Hi

We're planning to build a compost toilet for a holiday yurt we're adding to our smallholding. We'd like a wheelie bin type solution where once it's full we can seal the lid and leave it compost down, rather than have a compost pile that we empty into. We'd also be using urine separation.

However, we'd prefer a low profile toilet enclosure without steps up so wondered if it was possible to use something lower than a wheelie bin such as a 80L or 110L UK dustbin? I know we could dig in the wheelie into the ground to get it lower but am interested to know if it's possible with a smaller bin.

Basically my question is does anyone know what would be the minimum size of bin/barrel that we'd need to be able to successfully turn humanure into compost? Note, we're in the UK (Scotland) so a fairly mild climate, and we wouldn't mind leaving the bins for a longer period to compost.

Thanks
Paul