This site has detailed information on Composting toilets, how they work,
technical details on the micro biological activity, advantages over
traditional
water systems like sewage and septics and drawings and photos etc.
It also offers a detailed DIY kit if any enthusiast wants to build their own.
Permacultually yours,
Keith
Nature-Loo : Composting Toilet Info,
KEITH NIELSEN, 06/30/1995