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Company akvola Technologies GmbH
Country Germany
Products Mechanical-physical processes
Membrane processes
Hall E3
Booth A21
Introduction akvola Technologies is a German water technology company that provides cost- effective and environment-friendly solutions based on MicroGas™ and akvoFloat™ – a proprietary flotation-filtration process – to clean hard-to-treat industrial wastewater containing high concentrations of oil (free and emulsified) and suspended solids.

These solutions can be implemented in major water-using industries: Oil & Gas, Refining & Petrochemicals, Automotive & Metalworking and Steel & Aluminium.


The MicroGas™ Bubble Generator is the most cost-efficient and robust flotation device to maximize the removal of suspended solids and Fat, Oil & Grease (FOG) regardless of pH, temperature or salinity. Originally designed as a minimal-equipment, low-OpEx alternative to DAF, the MicroGas™ Bubble Generator has many applications including water and wastewater treatment, chemical reactors and aquaculture.

Its novel technology is based on ceramic diffuser discs mounted on a rotating shaft. Compressed air/gas is injected at 1-2 bar into the shaft and permeates through the diffusers into the liquid, where a cloud of fine bubbles between 50 - 70 micron is generated (white water) with an extremely low energy consumption. Unlike in DAF systems, no pressure is required to dissolve the gas into the liquid, and hence energy consumption is not reliant on salinity and temperature of the water. Furthermore, flotation systems based on MicroGas™ do not require saturation vessel, recycle pumps or nozzles, making them more reliable and cost-effective.

- Bubble Size 50-70 micron
- Energy consumption < 0,05 kWh/m³
- OpEx independent from salinity, temperature and pH.
- Plug & Play / Easy installation
- Self-cleaning / No clogging due to solids
- Minimal equipment
- Use of any Gas
- Adjustable size and amount of bubbles (air-to-solids ratios)
- Robust to extreme environments (corrosive, thermal and chemical).
- Treat flow rates from 1 to 100 m3/h

- DAF / Clarifier retrofits
- Water treatment (TSS and FOG removal)
- Ozonation / Oxidation
- MBRs / SBRs
- Algae harvesting
- Tramp oil removal from metalworking fluids
- Hydroponics and marine farming
- Bubble column reactors

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