Sunflower husk is a by - product formed during seed processing. The husk is separated when preparing sunflower seeds for oil extraction during the dehulling process.
Husk is used as a raw material in the production of feed yeast and ethyl alcohol;
used in horticulture as an organic fertilizer for loosening and improving the soil;
sunflower husks are of great benefit when growing mushrooms;
decorative heat and sound insulation plates are made from it;
used for biogas production.
In addition, the husk has a high energy potential; it releases a lot of energy and heat during combustion. Thanks to these characteristics, husk has become in demand in the alternative energy market. Solid biofuel is produced from sunflower husk, which is characterized by ease of storage and transportation, as well as environmental friendliness. The fact is that when burning sunflower husks, no more carbon dioxide is emitted than during the natural decomposition of wood, and a negligible amount of harmful emissions is formed. The ash remaining after burning is quite suitable for plant fertilization.