Abstract
The paper deals with the evaluation of the separation efficiency on planar vibrating separator and the purity of the separated seeds from marc of selected grape varieties. Measurements were made in 2013 for the varieties as follows: Traminer, Sauvignon, Riesling, Grüner Veltliner, Riesling, André, Lemberger, Cabernet sauvignon, Cabernet Moravia, Zweigeltrebe. Total weight of the collected samples was 70 kg. From the results obtained it is evident that all of the observed separation efficiency varieties is high and varies between 63-83%. The lowest seed yield was found in Sauvignon (13,9%) and Riesling (15,9%), the highest in the variety André (33,7%). Purity of the separated seeds in most samples was relatively stable (76-90%).
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