Device for regulating and reducing the fluctuations in a polypha

Device for stirring the content of a tank comprising a...

Device for uniformly distributing a two-phase fluid

Diffused aeration system

Diffuser and an aeration apparatus equipped with such a...

Diffuser for use in a carbonic acid control system

Diffuser for use in a carbonic acid control system

Direct contact steam injection heater

Direct injection contact apparatus for severe services

Double funnel device for oxygenating sewage

Double funnel with baffle cascade aeration unit

Draft device for a bubble column

Ecological quality improvement of water for domestic use

Economical apparatus for producing improved combustion and...

Ejector mixer for gases and/or liquids

Flotation cell feed duct

Fluid flow control process

Fluid mixer

Fluid mixing device and cutting device

Fluid mixing or homogenization