Today, the require for alternative energy sources is clear. Our faith on fossil fuels is no longer sustainable or affordable. There is a limited resource of fossil fuels, along with as the global population continues to increase at an accelerating rate, those supplies cannot meet the demands of a rising population. Also, fossil fuels are now known to be a key contributor to climate change along with carbon emissions. Therefore the call for for alternative fuel sources such as wood is driven on energy reserve, charge plus environmental concerns. The issue is how do we capture the fuel from biomass. Biomass in its organic form is not an ideal fuel source. Wood generally has a low bulk density along with therefore also a low energy density. Also the moisture content of raw biomass is generally too high to provide proficient incineration. Therefore the wood requires processing into a more useable form of fuel. Pellets are component of that biomass solution.

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As discussed, biomass in its raw form is not ideal as an energy source owing to its low density plus high moisture content. One of the simplest ways to turn wood into a highly efficient in addition to cheap form of fuel is to compress the biomass matter into pellets. Pellets are in the shape of small cylinders, which for energy pellets are usually 6 or 8mm in diameter. Pellets have a much higher bulk along with energy density compared to the raw material and also a much lower moisture content below 10%. This enables the pellets to burn much more efficiently than raw wood. There are also developments to produce wood pellets even more efficient, as well as have a higher energy density. One interesting practice is torrefaction. Torrefaction is where the wood is heated to between 200 as well as 300 degrees, and a lot of the unwanted volatiles which lessen combustion efficiency are burnt off. What is left is a much purer form of carbon which not only burns much more more efficiently than standard biomass as well as wood pellets, it also have quite a lot of other benefits. This payback include being hydrophobic, which means the pellets are not susceptible to moisture as fuel pellets presently are. Torrefied wood as well as biomass pellets are gaining ground, plus are the future.

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Converting wood fuel into pellets brings home heating by means of solid biomass energy away from high maintenance log stoves into the 21st century. Modern pellet stoves as well as boilers have a mixture of automated features which diminish the work load of the owner. For example fuel hoppers on pellet burners usually hold at least a days worth of energy. Yet some have large external hoppers which hold a years reserve. Owing to the demand for energy from biomass along with a greater demand for pellets, interest in pellet construction has also grown significantly. Generating quality energy pellets requires quite a few pieces of equipment from chippers, hammer mills, dryers and pellets mills also known as pellet machines plus pellet press. Operating this equipment requires a precise knowledge of what each matter requires to manufacture quality pellets.

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