Biomass fuels come from things that once lived: wood products dried vegetation crop residues aquatic plants and even garbage. It is known as Natural Material. Plants used up a lot of the suns energy to make their food (photosynthesis). They stored the foods in the plants in the form of chemical energy.
The Main Types of Biomass Energy | TheEarthProject.com
The system is essentially the same as the one described for wood combustion. However there is a crucial difference. Not all garbage is biomass because quite a large part of it consists of plastics which are petroleum-based. Thus a considerable amount of the
Waste-to-energy plants burn municipal solid waste (MSW) often called garbage or trash to produce steam in a boiler that is used to generate electricity. MSW is a mixture of energy-rich materials such as paper plastics yard waste and products made from wood. For every 100 pounds of MSW in the United States about 85 pounds can be burned as ...