Tubular membranes have been around since the 1970’s and static mixers even longer. Combining the two to enhance mass transfer has been proposed at the beginning of the century.

Tubular membranes have been around since the 1970’s and static mixers even longer. Combining the two to enhance mass transfer has been proposed at the beginning of the century. Now the combination is commercially available. Pentair X-Flow of Enschede vied this year for the title ‘Waterinnovator of the Year’. They did not get the title, but they still claim considerably reduced fouling and increased water flux.