Bioenergy (I): the future of pellet stoves

Bioenergy is considered as any kind of energy that comes from the biomass of living or death organisms. This kind of energy opens up a lot of different possibilities when it comes to energy production. As a major fact , it is more sustainable with the environment compared to other kinds of energies like fossil fuels.

Bioenergy can be classified in different kinds of biofuels: liquid, solid and gas.

BIOFUELS CLASIFICATION
LIQUID Bioethanol
Biodiesel
Others
SOLID Wood
Biochar
Pellets 
GAS Biogas
Biopropane
Syngas or synthesis gas

The oldest  and easiest kind of bioenergy is simply the use of wood to make a bonfire either to cook or to keep us warm.

De la hoguera a la estufa de pellets

The evolution in the use of fire, lead to the manufacture of wooden stoves for cooking purposes.

Estufa/cocina de leña

The next step is the use of pellet stoves instead of wood.

Pellets area kind of fuel made out of rests of wood that is pressed and thus is more dense than wood.

There are many known advantages related with the use of pellets compared to wood. Between them, it is important to highlight that since pellets are made out of waste wood from other activities (pruning, carpentry…), this is giving the waste a second live instead of using newly logged wood. Moreover, since they are produce out of waste wood, they are cheaper for the producer and consumer.

From the 21st to the 23rd of October 2014, there was a congress, Expobiomasa,  that was about bioenergy and its evolution in Spain and other countries. Javier Díez, manager of the congress commented  the increased interest in Spain in this kind of renewable energy:

« a source of energy that has to be promoted and that will allow us to save a lot of money, both families and administration in warming up buildings. This interest has created a very powerful sector, very dynamic and that has grown despite of the economic crisis »

Acording to Castilla y León data, the national consumption of pellets has grown from 2010 to 2013 from 100,000 to 380,000 tons, and its believed to surpass 1,1 millions in 2020.

Panorama de la actividad mundial en el sector del pellet (Enero 2013)

This kind of energy is booming and it could be the right choice not only for rural areas, but for heating systems in companies, urban areas, cities and municipalities too. The use of “district heating” instead of individual heaters could be the right choice.

Ejemplo de sistema "district heating"

For more information visit:

Expobiomasa, bioenergy congress 

 Bioenergy International edición española

Proyect district heating in Móstoles, Madrid.

Biomass resources and their bioenergy potential estimation: A review (2013)

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La naturaleza muestra su genuinidad a aquellos que prestan atención, ya la hago caso y amo a todos sus habitantes y bichejos no humanos.
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