Wood pellets, the most common type of pellet fuel, are typically made from compacted sawdust and related biomass waste from wood processing, wood product and furniture manufacturing, and the construction industry. They can be used as fuel for power generation, commercial or residential heating and cooking.
The use of wood pellets reduces emissions of the greenhouse gas carbon dioxide and in many cases can replace coal, thus saving energy. Moreover, this combustion material can be processed from sawdust waste, which not only saves costs, protects the environment, but also obtains new benefits through the reuse of waste materials. Wood pellets generally have the following three uses.
- Can be used in biomass industrial boilers. As the main fuel for industrial boilers, it can replace coal, protect the environment and save costs.
- It can be used as fuel for thermal power generation. Burning 10,000 tons of biomass fuel can replace 8,000 tons of standard coal, reducing SO2 emissions by 160 tons, soot emissions by 80 tons, and CO2 emissions by 14,400 tons.
- It can also be used for civil heating and living energy. Wood pellets have a high combustion utilization rate and are easy to store, making them very suitable for civilian use.
In developed countries, wood pellets are manufactured for wood pellet fuel, animal bedding and barbecue wood pellets. In developing countries, manufactured wood pellets are mainly used as cooking fuel in non-powder gasifiers. Deforestation damage is a growing problem in developing countries. With pellets, the use of waste wood residues, especially agricultural residues such as straw, can be upgraded to pellets. Using pellets in a cooking stove creates more heat and comes to temperature faster. Much less wood is also required to cook food, which could play a key role in reducing deforestation as the population continues to increase. It can also bring more job opportunities to the local area.