variable frequency drive unit Articles

  • Realizing energy savings in water processing applications using medium voltage adjustable frequency drives

    Why uptime and energy efficiency matter in water processing Making sure that systems and processes are up and running while improving energy efficiency (and cost) is crucial in water processing applications. During the recent recession, federal and municipal budgets tightened, limiting access to capital across the United States. At the same time, increased awareness of the ...


    By Eaton Corporation

  • Clean Marine Case Study

    EGC unit complete with 2 fans and 5 exhaust gas connec-tions, pumps with variable frequency drive, filters, cooler, NaOH dosage system, gas (SO2/CO2) and water (PAH , turbidity, pH, flow) analyzers, temperature and pressure monitoring, valves, flow meters, exhaust dampers (bypass), switchboard, PLC, Documentation and ...

  • New developments of vibratory feeders for large bulk material reclaim systems

    Summary The efficient economical storage, movement, control and blending of large tonnages at coal handling installations such as mines, power plants and port facilities require new and improved designs of vibratory equipment. Environmental and investment impact as well as operational advantages must be considered in the development of any new reclaim system. ...


    By General Kinematics

  • Choosing the best shakeout technology for your process

    In the modern foundry, there are many options when it comes to choosing the proper shakeout technology for your metal casting facility. Improper selection can lead to poor throughput, casting damage, and unnecessary down time, all which costs your foundry money. There are many di¬erent shakeout designs available on the market today, including brute force, variable drive, and two-mass ...


    By General Kinematics

  • Choosing the best shakeout technology for your process

    In the modern foundry, there are many options when it comes to choosing the proper shakeout technology for your metal casting facility. Improper selection can lead to poor throughput, casting damage, and unnecessary down time, all which costs your foundry money. There are many di¬erent shakeout designs available on the market today, including brute force, variable drive, and two-mass ...


    By General Kinematics

  • Vibrating feeders for stockpiling and reclaim

    The expanding applications of vibratory feeders for controlling the flow of bulk materials, and their adaptation for processing requirements, have developed considerable interest in stockpiling and reclaim systems. The general design of these units consists of a material transporting trough, or platform, driven by a vibratory force system. The flexibility and variety of designs is limited only by ...


    By General Kinematics

  • 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 Ltd.

  • Increased capacity & stringent effluent limits met in a small footprint - Case Study

    This Idaho Wastewater Treatment plant’s two existing single-ring oxidation ditches were facing increased flows and a new tougher phosphorus limit of less than 2.3 kg (5 lb) of total phosphorus per day. In addition to a tight budget, the small amount of land available also hampered the city’s options. ...

  • KLa Slot injector™ Aeration system assists cheese & Whey production plant solve its Nitrogen discharge challenge - Case Study

    The Challenge A gourmet cheese, whey protein, and lactose production facility located in the Midwest had been utilizing a land application system for effluent discharge for over 40 years. Using a combination of ridge and furrow and spray irrigation, the plant had many years of success applying their wastewater to the land. However, as the gourmet cheese products gained in popularity along ...


    By KLa Systems, Inc.

  • Stormwater Solids Reduction for NPDES Permits

    Finally obtaining a National Pollution Discharge Elimination System (NPDES) Permit is often a relief but is by far not the end of the story. Meeting the requirements of that permit often proves to be quite difficult and stiff fines are freely doled out to those who fail to meet regulatory limits. For one Midwest jet propulsion manufacturing facility, the issue of total daily solids discharge ...

  • Joint German-Polish sewage plant satisfied with Allweiler pumps after 12 years

    An example of successful German-Polish collaboration In May 2010 the Gubin sewage plant celebrated its twelf-year anniversary. This plant processes wastewater from the cities Guben and Gubin, located on opposite sides of the Neisse River. It is the only German-Polish project of this type to operate successfully for the long term. Major elements of the plant include 17 progressing cavity ...


    By ALLWEILER GmbH

  • Case study - Nottinghamshire Recycling

    DUO Equipment delivered and installed a new full washing and water management plant for Nottinghamshire Recycling Ltd (NRL). Based in Worksop, Nottinghamshire, NRL is a sustainable waste solution provider processing C & D waste, green waste, wood and recycled aggregates. The new washing and water management plant (which includes a Gennaretti centrifuge system) will provide NRL with the ...


    By DUO (Europe) plc

  • LED Lighting and Compatibility Issues with Legacy Dimming Systems

    LED Lighting and Compatibility Issues with Legacy Dimming Systems LED technology is being adopted by numerous businesses around the world. Its energy saving benefits, long lifespan and modern features have won over individuals who are looking for reliable lighting solutions. But in order for the transition to gain full acceptance by consumers and commercial sectors, ...


    By Larson Electronics LLC

  • Tamworth City wastewater reuse project case study

    Lindsay Pivots and Pumps Provide for City’s Wastewater Needs Summary How do you successfully complete one of the largest wastewater treatment projects of its kind in Australia? With a full arsenal of Lindsay products, including pivots, pumps and remote telemetry. With the city’s population expected to grow to nearly 50,000 by 2020, the ...


    By Lindsay Corporation

  • FTIR emissions analyser helps manage UK power station

    A Gasmet FTIR multiparameter emissions monitor at Thetford power station is being used to demonstrate that the plant is performing within the conditions of its environmental permit. However, the data from the analyser, which was supplied by Gasmet’s UK distributor Quantitech, also performs a vitally important role in helping to manage the plant. “Individual gas readings are displayed ...


    By Quantitech Ltd

  • Emissions analyser helps manage power station

    A multiparameter emissions monitor at Thetford power station is being used to demonstrate to the Environment Agency that the plant is performing within the conditions of its environmental permit. However, the data from the analyser, which was supplied by Milton Keynes based Quantitech, also performs a vitally important role in helping to manage the plant. “Individual gas readings are ...


    By Quantitech Ltd

  • FTIR Emissions Analyser helps manage UK Power Station

    A Gasmet FTIR multiparameter emissions monitor at Thetford power station is being used to demonstrate that the plant is performing within the conditions of its environmental permit. However, the data from the analyser, which was supplied by Gasmet’s UK distributor Quantitech, also performs a vitally important role in helping to manage the plant. “Individual gas readings are displayed ...


    By Gasmet Technologies Oy

  • Gettysburg hospital addresses ailing evaporative coolers

    WellSpan Gettysburg Hospital was looking to modernize mechanical systems to ensure reliability of critical patient-care functions. Constructed in 1921, WellSpan Gettysburg Hospital in Gettysburg, Pa., has undergone a number of changes over the years. According to Joe Lehigh of the facility’s engineering team, the most recent were made chiefly to improve hospital operations. “The key ...


    By Evapco Inc.

  • Low-Flow (Minimal Drawdown) Ground-Water Sampling Procedures

    Untitled Document Background The Regional Superfund Ground Water Forum is a group of ground-water ...


    By Solinst Canada Ltd.

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