The Examination of Utilization Possibilities of the Cheap Glycerol as Byproduct of the Biodiesel Production, in Fattening Pigs Feeding

Gregosits, Balázs; Koppány, György; Hencz, Imre
January 2010
Bulletin of the University of Agricultural Sciences & Veterinary;2010, Vol. 67 Issue 1/2, p198
Academic Journal
As it is well known, a large quantity of glycerol (like byproduct) is produced worldwide in the biodiesel process. As result of spread of the renewable energy sources the glycerol is ever coming to more serious part, because the large quantity of it. Its numerous application fields are offering (energy, biogas, industrial use), among others on territory of the agriculture also, its utilization of feeding purpose. With the benefits of biodiesel use for energy, by products such as glycerol, have also become available as energy source and nutrient in animal feeding. We researched on behalf of to this, that is any possibility in the fattening pig feeding or not, and if yes, what are the economic efficiency of the utilization. The completed work is a part of a complex research and development project, which contained the purification the glycerol phase, the determination the feeding energy value of the purified matter, and the examination of consequences of the possible undesirable materials for the human health, as well.


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