self-cleaning fine screen Articles

  • Fine screen retrofit cuts upgrade costs by US$1m

    Hawaii typically conjures up images of azure seas, swaying palms and pristine beaches. Behind the romance of this tropical paradise is a reality that faces most wastewater treatment professionals today – a rising population placingincreased demands on treatment facilities and tougher regulatory requirements.To preserve Hawaii’s natural beauty, keep up with growth and ensure regulatory compliance, ...


    By JWC Environmental

  • Fine screens help New Jersey wastewater treatment plant stop rag and grease problems

    A few years ago the Hammonton Wastewater Treatment Plant, located in the lush green countryside of southern New Jersey, faced continuous problems with rags, trash and plastics passing right through a rusty old bar screen and into the oxidation ditch and final clarifier.After years spent unclogging pumps, clearing out trash and untangling the UV system – plant managers decided to find a better ...


    By JWC Environmental

  • Less fines improves productivity in waste wood shredding - Case Study

    A customer in France was shredding waste wood with two Doppstadts. After processing the wood twice, up to 20% of the total outcome was worthless fine wood dust. With TANA Shark the problem with the dust was eliminated and productivity of the process was improved respectively. Steady burning process in a heating unit requires pure wood particles ...


    By Tana Oy

  • Wastewater treatment facility uses ‘monsters’ to better manage screening, odor and trash

    As wastewater pours into the Cobourg Water Pollution Control Facility located on the outskirts of this Canadian town, it comes loaded with organics, trash, debris and chemicals. A large perforated plate screen system, called a Monster Separation SystemTM, is the plant’s first line of defense and removes all unwanted solids in order to protect downstream processes.Managers at the facility report ...


    By JWC Environmental

  • Screen classifying cutter allows recycling of tungsten heavy alloys

    Aerojet Ordnance Tennessee, a wholly owned subsidiary of aerospace and defense contractor Aerojet General, fabricates parts from tungsten heavy alloys and other refractory metals for defense-related products like ammunition, warheads and electronic shielding. The company also produces components for sporting goods and other end-uses, though defense accounts for about 80% of its business. ...

  • Straight From the Source : Operator Strategies to Maintain Screen Performance

    In early December, BioCycle editors e-mailed selected composting facility operators, asking them a series of questions about their screening operation. The minisurvey focused on strategies to maintain performance of screens used for preprocessing incoming feedstocks and/or for screening finished compost. Six operators responded: Adam Sherman, Intervale Compost Project in Burlington, Vermont; ...


    By BioCycle Magazine

  • Start up of Indonesian Cinnamon Plant employs screen classifying cutter, rotary mixer

    Starting up a new process plant can be a tricky business for any company, but when it is the first plant the company has ever built and the location is halfway around the world from equipment suppliers, the project can be daunting. So it was with ForesTrade, Inc., when it set about building Indonesia's first state-of-the-art organic cinnamon-processing plant and an associated essential oils plant ...

  • The natural way to clean wastewater

    John Todd founded Ocean Arks International in the 1980s, where he started to experiment with processes that mimic natural ways to purify wastewater. He built a greenhouse and ran sewage through a series of tanks, with plants suspended in the flowing waters, and constructed marshes made of sand and gravel. No chemicals were added, but plenty of aquatic creatures from snails to small fish were ...


    By BioCycle Magazine

  • Cleaning Up Gasification Syngas

    Documento sin título ...


    By Merichem Company

  • Wercs digs up the dirt on clean

    Latham firm tracks chemical compounds of household items so retailers can make safer products for today's eco-savvy consumers LATHAM You don't know what's in that household cleaner underneath the sink but one local company does. And the work it does for the nation's largest retailers tracking chemical ingredients in thousands of items could push safer products onto store shelves across America. ...


    By UL The WERCS

  • Case study: Mixed broken glass cleaning

    Challenge A Midwest recycling center had placed an air-knife unit to remove paper from their mixed broken glass, but found that many items contained in the end product still contained contaminations such as plastic caps, aluminum cans, and plastics. This company came to General Kinematics to look for an air-knife solution to provide a cleaner glass stream. ...


    By General Kinematics

  • A Membrane Pretreatment Technology

    Nearly all membrane systems, no matter what their raw water source, must utilize some form of pretreatment to remove unwanted organic and inorganic suspended solids. Bag and cartridge filters are efficient at removing suspended solids but must be replaced on a frequent and often costly basis. Some form of suspended solids removal system that cleans itself, maintains high flow rates and stays ...

  • Cooling tower for Chemical processing plant - case study

    This chemical processing plant needed clean, debris-free water for cooling purposes. We created custom traveling water screens for their cooling tower that are compact and efficient. Smaller mesh sizes can catch fine debris for a this type of installation. No matter what architectural or engineering constraints, we’ll create a water screen solution that fits. This project included: ...


    By International Water Screens

  • Mono nov completes major upgrade at knapp mill WTW

    Mono Pumps’ responsibilities included full risk assessment, temporary access and walkways, safety fencing to enclose the site from the public pathway, and craneage access. Mono co-ordinated all mechanical and electrical works, removing the old drum screens and installing six Mono L Series Discreens to the main and lagoon intakes atthe water treatment works. The Discreen was chosen by the customer ...


    By NOV Mono - Mono Pumps Ltd

  • Geotextiles in Construction Dewatering

    Woven geotextiles work wonders in dewatering applications as wraps around well screens and sump pit screens. The textile can be sewn into sleeves or tubes to be slid over the well screen or sump pit framework. This technique allows the user to compensate for well screens with slots that are too large or for sump pit piping with large perforations. By adding the geotextile sleeves the user ...


    By Griffin Dewatering

  • GCW as a means of efficiently remediating contaminated groundwater

    With the conventional 'Pump & Treat' method, groundwater is normally extracted from one or several wells, cleaned above ground and disposed off to the either groundwater or surface water. Even when extraction and injection wells are combined, predominantly higher perme-able areas are preferentially penetrated and more fine-grained structures are circumflowed. The bulk of contaminants are ...


    By IEG Technologie GmbH

  • KleenJet Vapor Steam Cleaner By Daimer Introduced For Pizza Shops

    Daimer Industries, Inc.®, the leading supplier of over 700 models of advanced floor steam cleanersystems, easily portable carpet steam cleanermachines, car cleaning machines, and many exclusive technologies, is debuting the KleenJet® Pro Plus 300CS to maintain pizza shops. The 1600 watt steam cleaner is ideal for those requiring portable machines with high temperatures and pressure ...


    By Daimer Industries Inc.

  • Meat processing case study

    Design & Build of a Wastewater Treatment Plant The client Our client produces and sells a variety of beef products, including fresh, frozen, canned, both vacuum packed or packaged in a protective atmosphere. They also offer a completerange of cuts and processed hamburgers, ready pre-cooked meals, veal cutlets, grilled and roasted products. The company is the market leader in ...

  • Wastewater Treatment at Meat Processing Plant - Case Study

    The client Our client produces and sells a variety of beef products, including fresh, frozen, canned, both vacuum packed or packaged in a protective atmosphere. They also offer a completerange of cuts and processed hamburgers, ready pre-cooked meals, veal cutlets, grilled and roasted products. The company is the market leader in the frozen hamburger sector, with an annual production ...


    By IDRAFLOT

  • Improving Performance · Processing Equipment Retrofit at Florida Composting Facility

    PALM Beach County, Florida may have been confused during the last presidential election but there is no confusion about management of the county’s organic waste stream. Palm Beach County has a population of approximately 1.2 million people and the Solid Waste Authority of Palm Beach County is responsible for the management and disposal of the solid waste that is generated here. The authority ...


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