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          FRINGS agencies - Vinegar and filtration technology
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                - Acetators
                       - Solution finder
                - Acetator 200 L
                - Pilot Acetator 8 L
                - Filtration systems
                       - FMXXXX
                       - Redumax
                - Measurement and control technology
                - Exhaust air treatment
                       - Exhaust air condensers
                       - Exhaust air scrubbers
                - Nutrient dosing system
                - Alcohol-water mixer
                - Acid-resistant pumps
                       - Cart-mounted pumps
                       - Charging/discharge pumps
                - Air impulse mixers
                - Laboratory instruments
                       - Alcohol analysis
                       - Acidity determination
                       - Sulfur dioxide determination
                - FRINGS nutrients
          Processes
                - Traditional batch process
                - High-strength processes
                - Continuous process

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          Products
                - Aerator FRIBORATOR
                - Aerator TRG
                - Defoamer
                - Reactor units
                - Pilot reactor
                - Alcohol analysis
                - Propeller pump
                - Immersible Aerator TA
                - Immersible Aerator TRG
          Processes
                - Absorption / chemisorption
                - Oxidation
                - Ozonization

          News
          Products
                - Production fermenter
                - Lab & pilot fermenter
                - Turnkey systems
                - Special bioreactor equipment
                       - Centrifuges for foam destruction
                       - Mini defoamer
                       - Sterile aerator
                - Methanol analysis
          GMP manufacturing
          References
          Pilot plant laboratory
                - Foam analyses
                - Lab and pilot plant testing

          News
          Products
                - Immersible TA Aerator (Licence ABS)
                - Immersible TAK Aerator (Licence ABS)
                - Immersible TRG Aerator (Licence ABS)
          Processes
                - Activated sludge plants
                - Mixing and equalization
                - Single-basin plants (simple SBR plants)
                - High-performance reactors
                - Sludge stabilization
                - Waste water lagoons
                - Flotation
                - Neutralization
          References
                - Germany
                - International