Micro spargers deliver higher bioreactor yields
Sintered porous micro sparger tips.
Microbubbles produced by sparger.
Microbubbles produced by sparger.

Equipment

Micro spargers deliver higher bioreactor yields

17 Sep, 2025

Biotech Fluidics has introduced a line of micro spargers designed to enhance gas–liquid mixing in bioreactors and fermenters. By producing microbubbles just a few microns in size, the devices increase the surface area for gas exchange, leading to higher mass transfer rates, lower gas consumption, and improved reactor performance.

Developed in collaboration with Mott Corporation, the spargers are made from durable porous stainless steel and provide a reliable solution for aeration, fermentation, and other upstream processes. Laboratory studies show they can improve volumetric mass transfer coefficients (kLa) by 100% to 400% compared with conventional dip tubes or drilled pipes.

The range includes porous metal sparger tips with media grades from 2 µm to 15 µm, allowing users to select the optimal bubble size for their specific media, organisms, and process requirements. Standard designs feature M5x0.8 or 10-32 UNF threaded connections, with adapter kits and custom options available for broader compatibility.

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