Scrubber-condenser for gas and vapour streams from industrial pr

Seal for rotary apparatus for gas-liquid contacting

Self-propelled jet aerator

Special aerator

Speed-increasing machine for water

Spin disk humidifier

Stirring and aerating device for activated sludges

Stirring apparatus for treating waste liquids

Stirring device and process for carrying out a gas-liquid...

Stirring device and process for carrying out a gas-liquid...

Stirring system and method for introducing gases to liquids

Structure for an oxygen adding and aeration device

Submersible hollow shaft motor and submersible floating...

Submersible mixer with air injection

Submersible mixing impeller

Suction device

Surface aerating rotor

Swing-type submersible floating aerator

System for enhanced gas dissolution having a hood positioned ove