Waste plant parts and residues as fuel
Waste plant parts as well as plant residues can be used as biofuel. Waste plant parts are plant parts ie of crops that can not be used for food, nor any other purpose and would normally be discarded[1]. Residues are leftovers from plant parts. They are hence plant parts of which a substance, ie oil, ... has already been derived.
Examples
Examples of waste plant parts include ie olive pits[2] Examples of residues include ie de-oiled cakes from oil crops as Jatropha, Pongamia, ...
Advantages
Unlike most plant parts (ie young branches, ...) or freshly cut logs, residues from crops such as de-oiled cakes are very dry and have a much higher energy density[3].
See also
- Vegetable fats and oils: list of oil crops
- File:Oil_crops.png; appropriate oil crops in various parts of the world
References
- ↑ By discarded we mean left to compost on the agricultural field or burned on the agricultural field, used in a biodigester, ... This as it still contains useful nutrients
- ↑ Musco Family Olive Co. burning oil pits at farm for energy production
- ↑ Oil can never be completely extracted from oil crops so some oil remains in the residue, increasing its energy density
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