Treatment of condensates
AssigneeSociete d'Assistance Technique pour Produits Nestle S.A.
InventorsThomas Kleeman, Willy Rothmayr
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Abstract
Aqueous liquids resulting from the condensation of vapours emitted by aqueous vegetable extracts are purified by treatment with an ion exchange resin. The purified condensates may be used for the extraction of the vegetable material.
Claims9
In a process for the treatment of aqueous extract of vegetable material selected from the group consisting of coffee, tea, and chicory wherein said extract is stripped to recover aromatic constituents and then subjected to concentration by evaporation, and wherein incident to said concentration vapours are emitted by said extract and are then condensed to form an aqueous liquid, the improvement which comprises purifying said condensed liquid through contact with at least one ion exchange resin.
Dependencies are inferred from the claim text.