Rotary gas bubble ejector

Gas injection and recycling apparatus and methods

Mass-transfer machine

AERATOR

Aeration device

Stirred tank reactor

Aeration device for bioreactors

System for forming mini microbubbles

Mixing apparatus

Low-turbulent aerator and aeration method

MIXING APPARATUS

Aspirator

Method and apparatus for aeration of a fluid

Device and method for parallel, automated cultivation of cells in technical conditions