Biological wood oxidation

Biological wood oxidation is a composting of wood substrate which aims at generating heat—for this reason, it is also known as "compost heating". During the wood oxidation process; microorganisms, mainly bacteria and fungi, degrade wood substrate into CO2, H2O, and subsequently release heat in the presence of oxygen. Mainly woody materials like branches, trunk, and leaves are used. These materials are rich in carbon and poor in nutrients like nitrogen. As a result, nutrient-rich additives such as manure, urine and food waste are used to enhance and accelerate the process. The temperature of wood composting usually varies from 20 to 70 °C, which fits well for building applications such as air heating, floor heating and domestic hot water service.

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