The Distillation step concerns the stripping of fermented mash, with production of vinasses (or spent wash) and the alcohol concentrated into phlegm or high degree raw alcohol.

The design concept of Maguin-Interis allows for adaptation to each type of raw material thus obtaining continuous operation without periodic cleaning.

Columns are equipped with several types of internals adapted to functions of degassing, stripping, oil separation and concentration. Resulting from constant development of its Processes, Maguin-Interis recently introduced the use of 4th generation Internals. Distillation yields attained by Maguin-Interis processes are superior to 99.5 %.

The use of schemes with multiple effects, vapour thermo-compression and coupling with the other units results in a reduction in the global steam consumption of the alcohol production units.

The use of simulation software is an integrated part of the study for processes optimisation.