Composting toilet

A composting toilet is a type of dry toilet that treats human waste by a biological process called composting. This process leads to the decomposition of organic matter and turns human waste into compost-like material. Composting is carried out by microorganisms under controlled aerobic conditions.

Most composting toilets use no water for flushing and are therefore called "dry toilets".

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Source: Wikipedia · Image: Wikimedia Commons · Public domain

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