Jarosław Wawer, Maciej Bilek, Stanisław Sosnowski

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Abstract. Birch tree sap was concentrated by mens of the reversed osmosis technique. The energy consumption in a small-scale pilot apparatus was estimated. The threshold value for the water removal above which the specific energy consumption significantly increased was identified. Below the threshold value the reversed osmosis had low energy demand and could be an attractive method for the production of birch tree sap-based beverages.

Key words: specific energy consumption, birch tree sap, reversed osmosis, soft-drink, natural products.

The energy consumption during the birch tree sap concentration process using the reverse osmosis system

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