EXTRACTION OF COFFEE OR TEA

摘要

A process for the continuous extraction of roasted coffee or tea, which comprises introducing dry finely ground coffee or tea at a charging station in the form of a bed with a thickness of from 0.5 to 15 cm and displacing the bed along a closed circuit up to a discharging station by way of at least one extraction station where a stream of extraction liquid is passed through the bed while a pressure gradient of the liquid on the bed is maintained.