There is a clear need to source alternative fuels to current fossil fuel options and these include pellets. Pellets for fuel purposes can be made from a large selection of resources. Wood is such a resource; wood residue is available as a waste resource from sawmills. This wood waste is regarded as a premium resource for premium pellet production as it contains very small or no bark and is predominately pine, spruce or oak residue which produces very small ash during combustion. Premium wood pellets also contain very small moisture, which also enables a higher combustion temperature and more complete combustion. Many other biomass resources can be processed into pellets to be used as fuel. These include purpose grown energy crops such as miscanthus, switchgrass and hemp. Other resources such as grasses and straws can also be produced into pellets. Burning other biomass pellets as apposed to wood does but make issues. These issues include higher ash content, possible clinker and slag formations and corrosion issues.
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Pellet stoves are ideal for small heating options to provide either your full or supplementary heating requirements. Wood pellet stoves come in various different shapes and sizes, with various heat outputs. The stove can also serve as an attractive centerpiece for the room. Some pellet stoves come with an additional back boiler to connect up to your central heating system. It is possible to use other fuel pellets in pellet stoves, but the burn pot design and several other features are crucial to whether the stove can combustion the pellets well producing small ash and achieving complete combustion.
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Wood pellet boilers are required for properties that have a lot more space and the heating power exceeds 10KW’s. Some people choose to have a small pellet stove in the living room and then use a pellet boiler to heat the rest of the property. Running a pellet boiler is a lot less work than running a log boiler for example. Pellet stores can hold various weights of pellets depending on their size from holding a day or so of pellets to holding up to a years supply. Depending on the type of fuel used in the pellet boiler the amount of manual maintenance will change, for example the ash content. Straw fuel pellets for example can contain over 10 times the ash content of say premium wood pellets.
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