Different types of trim
Distillation. Absorption - Lined columns

The number of trim types invented over the last fifty years is impressive. We have had to limit the list to the main productions whose characteristics have been published by the manufacturers and cross-checked by operating results.

The last ten years have seen the emergence of microcomputer calculation programs (distributed by Norton and VFF) and the development of structured fillings 1.2.3 .

A non-exhaustive list of the main upholstery manufacturers and/or suppliers can be found in the fact sheet [Doc. J 2 626]...