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Biomass pellets are currently the most common as well as well known form of pellets used for energy. Most biomass pellets at this time available on the market are also premium biomass pellets. Premium biomass pellets are the higher grade of biomass pellet fuel. To manufacture a premium grade energy pellet most or all of the bark must be removed from the biomass. Also only certain species of wood are generally used, these include pine, spruce in addition to oak. The reasons for this is a premium quality wood pellet also has to make a very low ash content, usually below 1%. Premium biomass pellets must also have a very low moisture percentage, below 10% however many manufactures create pellets by means of between 5-8% moisture. A lower moisture content means a far more efficient burn, which produces more heat, less ash in addition to smoke. For case biomass chip energy contains around 30% moisture, therefore biomass pellet fires make a far more efficient process. Although presently wood holds the spotlight as ‘the pellet energy’, many other wood resources can also be processed into fuel pellets, see left for examples.

Learn more about Wood Pellet

A pellet mill is the piece of equipment which is used to process wood as well as other wood resources into pellets. Due to a combination of heat plus pressure the pellet mill reforms the matter into pellets of a mixture of diverse diameters. The pellet construction process yet does rely on the right equipment and the right user knowledge. For case in point the raw matter requires certain properties, for case in point moisture percentage to produce the top quality pellets. Therefore we at PelHeat have developed the Biomass Pellet Manufacture Guide to educate people interested in pellets to the principles of manufacture. The guide is broken up into a step-by-step guide including diagrams to illustrate what does along with what doesn’t work to create quality pellets.

Read more about Softwood Pellets

Premium pellets are a high quality grade of energy pellets. Premium pellets refers to a quality of wood pellet energy made from softwood and hardwood residues. For the softwood premium grade fuel pellets pine and spruce residues are used, and for hardwood premium grade energy pellets oak residues are used. For the pellets to meet premium grade requirements quite a few attributes have to be meet. For the premium pellet standard, the ash content of the pellets must be very low, below 1%. To achieve this the species of biomass must create a low ash percentage, but also all, or most of the bark must be removed. To achieve the top combustion efficiency likely, a low moisture content is required. Premium pellets are therefore required to have a moisture percentage below 10%, yet many manufactures produce pellets by means of moisture contents between 5-8%. Compare this to seasoned biomass logs which have a moisture percentage around 30%, it is clear how wood pellets achieve much higher burning temperatures.

For more information on Small Pellet Mill

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