A microscale electrically heated rotary kiln for slow pyrolysis of biomass and waste was designed and built at the University of Perugia.
Plant-based biomass is used as fuel to generate heat or electricity. Examples include wood and wood leftovers, energy crops, agricultural trash, and waste from businesses, farms, and families. Some people conflate the terms "biomass" and "biofuel" because biomass can be utilized directly as fuel (such as wood logs). Some combine two terms into one.
Government officials in the US and the EU define biofuel as a liquid or gaseous fuel used in transportation. The Joint Research Centre of the European Union defines solid biofuel as unprocessed or processed organic material of biological origin utilized for energy, such as firewood, wood chips, and wood pellets.
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