the toilet.

The Compost Toilet

A compost toilet is a toilet which treats excrement on-site for reuse as valuable compost.

They work by providing a enclosed environment for the natural process of aerobic decomposition. The same type of environment on forest floors which decomposes wildlife droppings and converts them into valuable nutrients for the vegetation to use.

Two Different Systems

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Batch system

With the batch systems, a container is filled and then replaced with an empty container. The composting process is completed inside the sealed container. The system may have a single, replaceable container. Or it may be a carousel system where 3 or 4 containers are mounted on a carousel and a new container is spun into the toilet area when the other is full. After a full cycle is complete, the first container is fully composted and ready for emptying.

Continual process system

These systems are in a constant state of composting. Waste enters the system, composting reduces the volume and moves it downward where it is harvested after 6-12 months as fully composted material.