Distillation plate

Distillation tray

Distillation tray

Distillation tray/downcomer

Distillation trays

Distribution apparatus having bubble caps with riser vanes

Distributor device for a column

Distributor for distributing liquid in an exchange column

Distributor for liquid-gas contact column and method of preparat

Distributor for washing fluid in a scrubber or stripper

Distributor means and method

Distributor stage for liquid-contacting columns

Divided wall exchange column

Divided wall exchange column

Double funnel device for oxygenating sewage

Double funnel with baffle cascade aeration unit

Double-deck distributor and method of liquid distribution

Double-fold construction for a contact body element

Down-flow batch mixing system

Downcomer distributor