Olivier Duboc
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Optimising toilet composting at household scale

8/6/2026

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This was on Friday 24. April 2026: the Long Night of Research at our campus in Tulln.
Featuring Luis Quiroga Gutierrez in the middle of the cycle, and a poster by Carolina Páez Velez.

Meanwhile, I'm still working on the composter. I'm doing some first tests without any electronic control or even forced aeration. Promising as a first result: the temperature reached 63°C yesterday at the core, after adding 1kg sugar. The passive aeration system with chimney effect seems to be sufficient.
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This poster shows the most advanced version of the composter, but before I reach this stage I am testing more simple versions without electronics
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Testing the closed composter without forced aeration or electronic control. Passive aeration with chimney effect seems to be enough to keep it aerated and reach high temperatures.
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