rotary lobe blower Articles

  • Choosing Aeration Blowers

    Introduction Infrastructure spending in the United States has not kept pace with the population growth and many wastewater treatment plants are at peak capacity. The nation's wastewater systems and their ratepayers face a major challenge in funding the expansion, replacement, and maintenance of aging infrastructure over the next several decades. For this reason, plant engineers and ...


    By Kaeser Kompressoren GmbH

  • With high-pressure in the mixer AERZEN‘s energy-efficient blower technology

    According to the Federal Statistical Office, annual sales of bakery goods total around EUR 18 billion. Behind this is an annual consumption of 85 kilogrammes per inhabitant, within which the general public prefers bread, which accounts for 63 percent of the total. With this type of food being so popular, the market is extremely competitive. The significance of larger medium-sized bakeries and ...

  • Turbo Blowers made by AERZEN for Base Load, Delta Hybrids for Peak Load - Step by Step Towards the Ideal Sewage Plant

    Thanks to the reduced sewage duty resulting from basic changes to the aeration basins in 2008, modification costs of € 1.3 million were amortised after only three years. Replacement of the two existing turbo compressors with two new Aerzen rotary lobe compressors of series Delta Hybrid, led to an additional energy saving of approximately 13 % of process air generation. Since then, the entire ...

  • SVE and Air Sparging

    Stage 1: The system is a PLC controlled plant equipped with telemetry. Rotary Lobe blowers were used to abstract vapour contaminated with chlorinated hydrocarbons and a similar high pressure blower was used to inject air via solenoid valves individually controlled by the PLC. Extracted vapour was treated in large GRS 2 tonne vapour-phase activated carbon vessels.Stage 2: The system comprised ...


  • Sufficient air in the fixed bed reactor

    Delta Hybrid rotary lobe compressors made by AERZEN What about the typical sewage water smell? No chance! Visitors to the “station d’epuration” located in the district of Beggen have to pay close attention in order to realise that a wastewater treatment plant is in the neighbourhood - and one wich processes a daily water volume between 30,000 and 40,000 m3. In order ...

  • Every kilowatt utilised optimally

    Heat recovery with AERZEN blowers As a part of an extensive renovation project, the city of Filderstadt modernised the Bombach wastewater treatment plant, located in the district of Bonlanden. Now, Delta Hybrid rotary lobe compressors made by AERZEN provide optimal oxygen supply, and, thanks to heat recovery measures, the energy balance has improved further. Although ...

  • Palm Valley Water Reclamation Facility, Goodyear, Arizona: A Real `PERC`

    Pacific Environmental Resources Corp. (PERC) is a water quality service provider offering clients a total solution in partnership with nature and the surrounding environment. PERC is a leading design / build / operate company in the wastewater industry. PERC’s total solution provides a scalable and modular design delivered under a single contractual agreement. Clients enjoy the benefits of ...


    By Kaeser Kompressoren GmbH

  • Everything Depends on Pressure And Maintenance

    Energy and cost efficiency of biological treatment plants Every biologically working sewage plant needs a compressed air station for the oxygen supply of the aeration basin. This station only works at the highest possible energy efficiency level if excessive plant pressure through the subordinated system, excessive intake temperatures due to insufficient aeration and deaeration, and ...

  • We purify our waste­ water optimally

    Holzkirchen wastewater treatment plant achieves a new milestone in energy efficiency with AERsmart The Holzkirchen wastewater treatment plant has a clearly stated objective: “We purify our wastewater optimally.” For the municipal wastewater treatment plant, located 40 kilometres south of Munich, there is a requirement to operate in a way that is as resource-efficient as ...

  • From fresh water to waste water - AERZEN supplies oil-free oxygen to Nordland Papier

    The UPM Nordland Papier fine paper factory in Dörpen is the largest of its kind in Europe, producing up to 1.4 million tons of uncoated and coated paper every year with four machines. The company is part of UPM Paper ENA (Europe and North America), a worldwide leading manufacturer of graphic papers, with its head office in Germany and production facilities in Finland, the UK, France, Austria ...

  • AERZEN is helping a WWTP to reduce its energy usage

    Intelligent air supply for wastewater treatment plants The wastewater treatment plant at Rheda-Wiedenbrück is currently testing a brandnew control concept for AERZEN blower technology - the AERsmart control combination. Modernisation work at the wastewater plant began in 2013. The citizens of the Rheda-Wiedenbrück region, as well ...

  • Expect a lot! Premium technologies for the biogas industry - made by AERZEN

    The use of biogas for energy generation will help considerably when it comes to achieving the objectives set out, both nationally and internationally, in nuclear energy programmes and for the reduction of CO2 emissions. AERZEN COM.PRESS interviewed Axel C Mr. Cichon, what is the role of biogas/biomethane today in the generation of energy ...

  • Wastewater Treatment in Turbo Mode

    Sulzer turbocompressors type ABS HST are successful in wastewater treatment. Today, 2000 units are installed around the world—for example, in municipal plants like in the city of Sögel, Germany. Here, the turbocompressors not only reduced the operating costs but also helped the plant to cope with load fluctuations. The secret behind this success is an advanced design with proven ...


    By Sulzer

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