Digester heating

Submitted by Nick Chase on
Last changed on 31 May, 2017 - 19:23

Archae have to be keept at the right temperature, at about 37°C. In temper and cold climate this gets difficult especially with small scale digesters. There are two options available: heating and / or insulation.

Heating variants

Compost Heating

Placing the digester inside a compost keeps the digester warm. This method is also called the Jean Pain method.

Forced Hot Air

Hot Water Heating

The digester needs its food in a mixture with water in a ratio 1:1. The water could or even should be hot water in order to keep the digester on temperature

Gas water heating

Solar Heating

Solar passive heating

Solar C³ITIES showd in 2015 that it is possible to have a spray foamed IBC opened with a sun facing window 1