Rectification of low-alcohol@ wine - by using steam jet compressor at head of rectification column.

摘要

Ethanolic low wines are rectified by using steam jet compressor at head of the rectification column, with vapour emitted by means of a surface exchanger operating at a low delta T. Rectification purificn. and refining columns operating at about atmos. pressure are used; in the jet compressor, the pressure of driving steam is at least 22 bar abs; the suction pressure is 0.377 bar abs. the compression pressure is 1.3 bar abs; and the ratio of the feed of aspirated vapour to the feed of driving vapour is 0.7. USE/ADVANTAGE - Appts. gives saving in energy, and condensation of ethanol vapours at the head of the column is assured. Process can be applied to rectification of ethanolic low wines obtd. by bio-conversion or chemical synthesis (claimed).