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Torrefaction Process

Torrefaction is a process consisting of carbonizing feedstock materials in order to increase the energy density and enhance the hydrophobic and grinding properties. The respective biomass feedstock is heated to temperatures between 280 and 310 degrees Celsius in an oxygen-free environment. Under these conditions the tenacious fibre structure of the biomass feedstock is largely destroyed through the breakdown of hemicellulose and cellulose molecules. In addition gasses are emitted which are used to fuel the process resulting in a very energy efficient system.



Through the exploitation of Torr-Coal technology it thus becomes possible to utilise normally unsuitable biomass as an eco-friendly high quality fuel.


About Torr®Coal

We upgrade solid, not food competing, biomass into high energy bio-coal to produce sustainable energy and/or to use as a bio-refinery feedstock.

Torr®Coal Group

Nusterweg 69
NL - 6136 KT Sittard
Tel: 0031-46-4775170
Fax: 0031-46-4775179
E-mail: info@torrcoal.nl