Abstract: The phases included in the process of pre-drying in an extractor (1) the aromatic solution decaffeinated by the active carbons; concentrating the solution in a concentration apparatus (5) and transferring it again into the extractor (1) held in such a vacuum degree (11) that helps the reincorporation of aromatic substances in the pre-dried coffee; drying, cooling and discharge the decaffeinated coffee.
Abstract: Green coffee is introduced into a container where it is subjected to continuous mixing in temperature continuous mixing in temperature ranging between environment and values close to 120° C. and water vapor is introduced into said container until the single beans of coffee have become porous and permeable; micotoxins are removed by extraction with a solvent in an acid environment obtained with a given acid or with a buffer solution with a given acid pH.
Abstract: The green coffee is kept mixed in a container (1) wherein steam is introduced until the coffee beans become porous and permeable; hence a solvent suited to removing waxes from the surface of the coffee and the micotoxins is introduced and extracted again as soon as it has removed the desired amount of micotoxins from the coffee.
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