Advantages of firing with wood briquettes

Sometimes it can be an advantage to fire with wood briquettes in your wood burning stove. Read why here, and read about what you need to know when buying wood briquettes.

By: Line Nederby
Træbriket til fyring i brændeovn

Article

Some choose to fire with wood briquettes. Some people think it’s more convenient to use wood briquettes, and others use them because they’re easier to store. Read about the advantages of using wood briquettes here and about what you need to know when you buy wood briquettes for your wood burning stove.  

Wood briquettes are often made out of pinewood, oakwood and beechwood. The wood from the briquettes is usually scraps from the wood and furniture industry. Sometimes wood briquettes are made out of peat and coconuts.

How are the wood briquettes made?

Wood briquettes are made from wood chips which have been pressed together under high pressure by machines which then shape the compacted wood.

When the wood is under high pressure, lignin, which functions as a binder, is liberated. Sometimes glue is also used in the production of the wood briquettes.

The quality and the heating value can vary depending on how hard the pressure was on the wood briquettes and on what kind of wood was used in the production. These things determine how long a wood briquette will burn and also how much heat you’ll get out of the wood briquettes.

Three advantages of using wood briquettes 

There are several advantages when it comes to using wood briquettes – compared to normal firewood.

1) Combustion

Regular firewood naturally contains moisture, bark, knots and resin which can make the burning irregular and difficult to control while wood briquettes (because of the hard compression) burn regularly, slowly and in a controlled way from the surface of the wood briquette.

2) Moisture content

The moisture content in wood briquettes is very low – usually around 6-8 %. The briquettes will release more energy per kilo than normal firewood (with a moisture content of 18 %) so you won’t have to worry whether or not the wood briquettes you’ve bought are dry enough to fire with.

3) The solid fuel mass of wood briquettes

It’s easy for you as a consumer to assess how much fuel you are really going to get when you buy wood briquettes because briquettes are sold by weight. Briquettes are easy to stack and that’s why the solid fuel mass is 1.0 (no air).

Normal firewood is often sold by the stere or by the cord where both firewood and air are included in the measurement. The solid fuel mass of a stere is 0.7 – which means that 70 % is wood and 30 % air.

Here you can read more about solid fuel mass

Wood briquettes and environmental considerations

Wood briquettes are carbon dioxide neutral. When you fire with wood briquettes, the amount of carbon dioxide emitted is no larger than the amount the wood in the wood briquetttes absorbed when still a tree. At the same time, it is an advantage for nature that the briquettes are a by-product of the wood industry.

In comparison, wood briquettes burn less cleanly than normal firewood according to research made by the German Technologie- und Förderzentrum im Kompetenzzentrum für Nachwachsende Rohstoffe.

Choose wood briquettes of good quality

When you choose to fire with wood briquettes in your wood burning stove, you need to pay attention to the quality of the wood briquettes. Some crumble easily meaning that you’ll need to clean both your wood burning stove and your living room.

Other wood briquettes give off a chemical smell when burning. This might mean that the wood briquettes have been made from wood scraps from the furniture industry, meaning that there is a risk that the wood contains medium density fibre board or melamine. That’s why it’s important to find out where the wood in your wood briquettes comes from before you use the wood briquettes to fire with.

Written by
Line Nederby
Journalist

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