Composting toilets collect toilet discharges and break them down into compost form. They do not use water to flush, so they reduce overall household water use and reduce the quantity of human waste going into the sewerage system.
There are several composting toilet models on the market. They need a mix like untreated sawdust to assist the composting process. Some models include a small extractor fan to remove odours from the unit. Otherwise the toilet looks similar to a standard toilet.
Composting toilets are generally used in areas not serviced by water supply or wastewater systems, although they can be installed in urban areas. Check with your local council first, as they have differing policies on composting toilets.
For more information visit the Composting toilet world website.
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