Producing fruit brandy, comprises using ultra-filtration, for a diluted fruit brandy feed, giving a filtrate as a clarified and stable fruit brandy

摘要

Producing a fruit brandy, comprises that diluted brandy is passed through an ultra-filtration stage, to give a clarified filtrate, where the ultra-filtration uses a cross-flow action with membranes with a cut-off of 10000-100000 Daltons at temperatures of 15-35 [deg]C, with a pressure of 2-4 bars on entry and 0.5-3.0 bars on exit, giving a filtration of at least 100 liters/hour/m 2. Producing a fruit brandy, comprises that diluted brandy is passed through an ultra-filtration stage, to give a clarified filtrate, where the ultra-filtration uses a cross-flow action with membranes with a cut-off of 10000-100000 Daltons at temperatures of 15-35 degrees C, with a pressure of 2-4 bars on entry and 0.5-3.0 bars on exit, giving a filtration of at least 100 liters/hour/m2. At least one membrane is of oriented cellulose hydrate.