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Sun-Mar Composting Toilet SystemsIn 1971, Hardy Sundberg developed the world's first self-contained composting toilet. For the first time a self-contained toilet could be put in a bathroom and would evaporate liquids and compost solids. The next big technical breakthrough came in 1979 when Hardy developed his third generation toilet which incorporated a rotating drum as the composting chamber. This was a three chamber design which used separate chambers for composting, evaporating, and compost finishing. Now the environment for each function could be optimized individually. |
