Juices and extracts concn. - saves energy by combination of aroma recovery and evapn. (NL 27.2.79)

摘要

In a method to concentrate fluids like fruit juices or coffee extract, a combination of boiling down in a steam heated multi-stage evaporator with the recovery of volatile flavours and aromas by stripping is used, followed by distn. using direct steam. The steam required for the recovery of the volatile aroma ingredients is entirely obtd. from the steam produced in the evaporator. The integration of the aroma recovery and boiling down processes results in considerable savings in energy consumption.