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The GM4 impeller is a self-aspirating gas-liquid impeller that draws gas into the liquid through its own specially designed gas suction channels without requiring an external sparger system. With high gas feed capacity and a wide gas-liquid contact area, it delivers optimum gas mass transfer. It achieves short reaction times with low gas consumption in hydrogenation, oxidation, carbonation and fermentation processes.
The GM4 is a self-aspirating gas-liquid impeller manufactured by Mechanimix. It operates within a diameter range of Ø150–2500 mm and a viscosity range of 1–5,000 cP. It draws gas into the liquid through its own gas suction channels without requiring an external sparger system, delivering optimum mass transfer. It is preferred in hydrogenation, oxidation, carbonation and fermentation processes.
Achieves high gas feed capacity through specially designed gas suction channels, eliminating the need for an external sparger system.
Creates a wide gas-liquid contact area, increasing the mass transfer coefficient and maximizing reaction efficiency.
Prevents dead zone formation and ensures uniform gas distribution through homogeneous energy distribution across the tank volume.
Achieves maximum mass transfer performance with minimum gas consumption through optimum suction power design.
Significantly reduces reaction times through effective gas distribution, increasing production capacity.
Enhances jacket and coil heat transfer through an effective flow pattern, facilitating process temperature control.
Provides effective hydrogen distribution in high-pressure hydrogenation reactors through direct gas aspiration without a sparger.
Creates safe and efficient process conditions by self-aspirating gas in ethylene oxide and propylene oxide reactions.
Provides homogeneous gas distribution by directly aspirating air or oxygen in chemical oxidation processes.
Achieves high dissolution rates in carbonation processes by effectively aspirating CO2 gas into the liquid.
Optimizes oxygen transfer in aerobic fermentation processes in the biotechnology and pharmaceutical industries.
Improves gas-liquid contact efficiency in biogas purification and upgrading processes in the environmental and energy sectors.
| Feature | GM Impeller |
|---|---|
| Diameter Range | 150 – 2500 mm |
| Number of Blades | 4 |
| Material | AISI 304 / 316L / Hastelloy |
| Viscosity Range | 1 – 5,000 cP |
| Flow Type | Self-aspirating (Self-aspiration) |
| Speed Range | 20 – 600 rpm |
| Gas Aspiration Type | Self-aspiration (no external sparger required) |
| Gas Suction Channels | Custom-designed hollow shaft / blade channels |
| Power Number (Np) | Medium |
| D/T Ratio | 0.25 – 0.4 |
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