float switch Articles

  • Japan - Floating to a Clean Energy Future

    A country struck by disaster harnesses the power of ocean winds to set sail for a brighter, greener future Nearly 16,000 people were killed when a 9.0 earthquake triggered a tsunami that crashed into the east coast of Japan five years ago. The 30 foot wall of cold, black water wiped out entire towns and villages and triggered one of the world's worst nuclear disasters. ...

  • Deep and Dirty - Derby Sewage Treament Works Inlet tank

    Derby STW had a significant problem with float switches 'ragging-up' in this very large inlet works. Other ultrasonic equipment failed and the customer did not believe an ultrasonic solution could work.....until Pulsar became involved. Pulsar Process Measurement supplied non-contacting ultrasonic level measurement equipment into the main transfer pumping station at Severn Trent Derby STW, in an ...

  • NHS Medical Centre building gets rainwater recycling system

    The development consists of a three storey medical centre building. The total roof span of the medical centre building exceeded 1,250m2. Aquaco supplied a 20,000 litre rainwater recycling system to be fed by a common rainwater collection point with an overflow to surface water drain. The system included a ground filter, dual submersible pump sets with control panel, float switches, rainwater ...

  • Sutton Ashfield surgery has rainwater harvesting installed

    Rainwater harvesting for new surgery in Sutton Ashfield Aquaco Water Recycling will be supplying rainwater harvesting equipment to the New Street Doctors’ Surgery in Sutton Ashfield to allow rainwater to be collected from the 330m2 roof and used for lavatory flushing. The rainwater harvesting system supplied consists of an underground rainwater collection tank with internal ...

  • Non-isolated single stage PFC rectifier for wide-input large step-down voltage applications

    This paper proposes a non-isolated single-stage high power factor rectifier suitable for applications requiring low-voltage and high-current output. The proposed converter integrates two buck-boost converters with a buck converter. As a result, the proposed converter can operate over a wide range of input voltage with extended low output voltage capability, making it suitable for universal input ...


    By Inderscience Publishers

  • HawkEye CSO Discharge Alarm System

    Hawkeye is a two-channel GSM telemetry recorder and a joint venture between Hydro-Logic and IETG of Leeds. Hydro-Logic provide the key electronic and firmware technology basing it on our successful Hawk range of outstations. It was the first fully integrated measurement and telemetry system specifically designed to monitor the performance of Combined Sewer Overflows (CSO). All electronics ...

  • THE BACTAERATOR™ - The Natural Sump Solution

    Cleveland Biotech Ltd, market leaders in environmental biotechnology, have developed a solution-focused product to banish the common problems of sumps and pumping stations called The Bactaerator®.  Many businesses from pubs to supermarkets, drainage contractors to water companies suffer with maintenance and management issues stemming from the problems caused by sumps, ...


    By Cleveland Biotech Ltd.

  • Power plants use oil skimmers to prevent contamination from spills

    Most hydroelectric plants designed in the 1960s were built with a station drainage sump that collects all drainage from the plant. As designed, float switches activate sump pumps that discharge liquids directly into the tailrace. The system cannot distinguish between types of liquids, so in the event of an oil leak, oil in the sump could be released into the tailrace. Modern ...


    By Oil Skimmers, Inc.

  • THE BACTAERATOR™ - for odour and blockage free pumping stations

    Cleveland Biotech Ltd, market leaders in the field of applied environmental biotechnology, have developed another market leading application system - The Bactaerator™. Sumps, wet wells and pumping stations provide continual problems to all those responsible with managing and maintaining them, from pubs and supermarkets to drainage ...


    By Cleveland Biotech Ltd.

  • Bord na Mona Rainsava® rainwater harvesting solutions debuted at WEFTEC 09 Conference

    Bord na Móna Environmental Products U.S. Inc., the American market subsidiary of the $550-million Bord na Móna group based in Dublin, Ireland, today introduced a complete range of RainSava® rainwater harvesting products at the WEFTEC 09 Conference & Exhibition in Orlando, Florida, in Booth #2319.According to Shane Keaney, President of Bord na Mona Environmental Products U.S. Inc., the company ...


    By Anua - Bord na Móna Limited

  • Mono gives berger homes a lift

    The system, comprising a Mono Trihammer macerator and progressing cavity pump with single motor drive, overcomes the otherwise problematic geography of the site, in respect of sewage collection and transfer to the main sewer. The Grifter Packaged Pump system is installed in a compact, insulated, glass fibre, reinforced, plastic kiosk situated alongside the new building, and remains extremely ...

  • Helping to Keep DiMillo’s Afloat

    DiMillo’s famous floating restaurant utilizes Gorman- Rupp pumping solution to move wastewater from restaurant to city sewer system. Once a converted car ferry that originally ran between New Castle, Delaware, and Pennsville, New Jersey and later between Newport and Jamestown, Rhode Island, today, DiMillo’s Restaurant is one of the largest floating restaurants in America. ...


    By Gorman-Rupp Co.

  • Case study - Mission accomplished: plant and aeration upgrades to meet growth and lower energy use

    In 2003 this Minnesota city began the process of upgrading its lagoon-based wastewater treatment facility (WWTF) into a new mechanical treatment facility. Nine years and two construction phases later, the city now has a fully operational facility and has upgraded its aeration system to lower energy and maintenance costs. Treatment Process The wastewater ...

  • Griffin offers wide range of versatile electric submersible pumps

    Griffin Pump and Equipment Inc. offers a complete line of electric submersible pumps. Whether it is clean water, gray water, or trash laden effluent, the company can provide the right pump for your application. Electric submersible pumps are available for flows as low as a few gallons per-minute to several hundred gallons per minute, with head conditions to several hundred feet. Electric ...


    By Griffin Dewatering

  • Long Term Full Scale Comparison of Activated Sludge (AS) With Biological Aerated Filter (BAF)

    The Wastewater Treatment Plant (WWTP) of Frederikshavn, Denmark, was extended in the early nineties to increase its average daily flow to 4,5 MGD (16,500 m³/d) and meet new requirements for nutrient removal (8 mg/l TN, 1,5 mg TP/l). A parallel biological aerated filter (BAF) was the selected as the most economical upgrade of the existing activated sludge plant (AS), and started up in 1995. ...

  • CHRIS Kids case study

    The distinctive red cedar clad tank of the CHRIS Kids’ rainwater harvesting system is a visual reminder of their commitment to sustainability. Project: CHRIS Kids Location: Atlanta, GA Application: Landscape Irrigation System(s): 19,400 Gallon Eastern Red Cedar Tank with RMH-30 Rainset™ The CHRIS Kids ...

  • Fluoridation: A Better Way? case study

    Ffficient, cost-effective addition of fluoride to drinking water is increasingly important as the U.S. EPA and Department of Health and Human Services contemplate additional nationwide standards for fluoride injection. A relatively new company, Integrity Municipal Services (IMS), has developed a new design for sodium fluoride saturator and feed systems and has successfully applied it at customer ...


    By Integrity Municipal Systems

  • How to Keep Birds Away from Airports

    The last thing you want at an airport are birds hanging out around the tarmac and airfield. Pest birds can be very hazardous to aviation with birds colliding with aircraft, known as bird strikes, possibly causing aircraft to crash. Pest birds can be difficult to get rid of once they nest on your property. Here are a few tips on how ...


    By Avian Enterprises, LLC

  • Overview of dredging concept, including automated dredging, with liquid waste technology dredges

    The RUNT Model RCLPEF, an electrically powered remote controlled dredge, is designed to remove sediments from the bottom of waterways, ponds, and settling lagoons. In situ solids are excavated and transported as a slurry through a piping system to a remote location. Foam filled, steel pontoons provide the necessary flotation to support the machinery and equipment in the waterway. Principal ...

  • The Bactaerator - the natural sump solution case study

    Cleveland Biotech Ltd, market leaders in the field of applied environmental biotechnology, have developed another market leading application system – The Bactaerator. Sumps, wet wells and pumping stations provide continual problems to all those responsible with managing and maintaining them, from pubs and supermarkets to drainage contractors and water companies. The problem most commonly ...


    By Cleveland Biotech Ltd.

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