Agri-pellets
Agri-pellets – what are these?
Just like pellets, agri-pellets are a type of a renewable solid fuel. The difference is that the agri-pellets are made from agricultural and forestry waste. They are mainly produced from cereal grains, green mass stems, hay, energy crops (e.g. energy willow) and also from any other waste biomass suitable for combustion, e.g. sewage sludge of wood waste.
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Agri-pellet calorific value is within 14-18 MJ/kg, and amount of ash left after combustion is 1-4%.
Agri-pellet advantages
Low price of fuel
Agri-pellets can be bought twice cheaper than wood pellets. Of course, it is connected with lower prices of raw material for their production and shorter renewal time of biomass. Agri-pellets are sold like wood pellets: in 15 kg and 25 kg bags and one tonne Big Bags. It is a fuel easy in transport and storage.
Comfort
PellasX M-line eries burners are dedicated to this type of fuel. The burners feature high combustion efficiency and owing to the movable combustion chamber, they are cleaned automatically, which is of particular importance in this case.
It is worth pointing out that the amount of ash produced is almost twice lower than that after combustion of the best quality coal and ash itself is a good plant fertilizer.
Availability
Unlike wood pellets, production of agri-pellets does not depend on wood industry in the particular area. It means that agri-pellets can be easier available not only in heavily forested areas, but also in agricultural areas. Additionally, fast rate of biomass renewal and continuity of agricultural production provides the agri-pellet producers with a permanent access to raw material for production and low costs of its supply. Agri-pellets have already become popular in many countries of Europe and in the world.
Ecology
Zero CO₂ balance
Biomass combustion does not affect the overall CO₂ balance as carbon dioxide released into the atmosphere during combustion equals carbon dioxide absorbed by plants during photosynthesis process.
Quickly renewable biomass
When compared to non-renewable fossil fuels, pellets show ecological advantage, i.e. wood pellets may be renewed in several years and biomass e.g. from straw and agricultural crops every year!
Double utilization
Biomass can be used twice during heating process.
Firstly, waste from agricultural and forestry industry and remains from processing industries are used in the agri-pellet production process. Secondly, ash produced during biomass combustion is an organic compost additive rich in microelements.