in-channel 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

  • 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

  • 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

  • Valuing Global Valves

    Control valve solves flow control & pressure challenges Donnacona, Quebec, Canada, is an industrial town just west of Quebec City. The town’s water treatment plant was built in 1969 and has since undergone three major retrofits: new high-pressure pumps and an electrical upgrade in 1995; a filter bottoms change in 2000; and a river water intake upgrade in 2005. The plant includes ...


    By Singer Valve Inc.

  • Size reduction of profiles up to 6 meter (20 ft.) length

    Neue Herbold SR + LP series granulators are designed and manufactured for the size reduction of full length profiles and pipes eliminating the need to pre-cut the material into shorter lengths. The 6000 mm (20ft.) profiles or pipes are fed horizontally into the granulator. Generally the LP series granulators are used for the size reduction of PVC profiles and the SR series granulators are used ...

  • Composted Woody Materials Become Erosion Control Product

    In Beaverton, Oregon, Lakeside Reclamation, Inc. grinds incoming yard trimmings and other feedstocks which are composted and bagged for use in erosion and runoff control. The facility recycles over 25,000 tons of wood each year for multiple product use. Owned by Howard Grabhorn, the site includes a limited purpose landfill, composting area, retail products building and comparative erosion control ...


    By BioCycle Magazine

  • PULSE smart start – a user’s experience

    Measuring on a Grounded Aeroplane   In the early days of PULSE, a team from Brüel & Kjær had the opportunity of performing a ground test on a Boeing 767. The left engine of the aeroplane had undergone a scheduled overhaul. The engine was reassembled and verified in a test cell. Everything seemed fine. The engine was mounted on the aeroplane and the aeroplane was ...

  • 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.

  • Methods of Water Purification

    This article is excerpted from 'Pure Water Handbook' published by Osmonics®, Inc. of Minnetonka, Minnesota USA and is printed with permission of Osmonics, Inc. Water treatment can be defined as any procedure or method used to alter the chemical composition or natural 'behavior' of a water supply. Water supplies are classified as either surface water or groundwater. The majority of public or ...

  • Operator Strategies : Sorting Out the Plastic

    BETTER BUGS Ideas and products in the Better Bugs category attempt to affect the biological components and biochemistry of processes by altering the mix of microorganisms or enzymes present. After all, biology is the foundation of many, if not most, organics recycling systems. Pyrophiles: The first example of Better Bugs involves pyrophilic organisms, bugs that can take the heat. This example is ...


    By BioCycle Magazine

  • Huge Price Increases Underway from Lamp Manufacturers: The impact of rare earth metals shortages

    Brace Yourself for Record Price Increases from the Lamp Manufacturers. ...


    By Connexion

  • Balancing growth and conservation - Precast concrete manholes become part of the stormwater solution

    When American Fork, Utah, decided to approve construction of a 175-acre commercial center, the city engineers had to consider the environmental effect it would have on a 45-acre wetland right next door. Under the EPA´s Phase II Storm Water Rules, adapted in late 1999, almost any city large enough to require a storm sewer system must balance growth with the environmental impacts of ...


    By BaySaver Technologies, Inc.

  • Air Pollution Control: Ready for the 21st Century

    The textile industry is plagued by air pollution problems which must be resolved. In particular, smoke and odor arising in the process require abatement. Air pollution control technology is available today which will serve the textile industry well into the 21st century. The nature of the problem The major air pollution problem in the textile industry occurs during the finishing stages, ...


  • Case History - Air Pollution Control in the Textile Industry: a Technology for the 21st Century

    The textile industry is plagued by air pollution problems which must be resolved. In particular, smoke and odor arising in the process require abatement. Air pollution control technology is available today which will serve the textile industry well into the 21st century. The nature of the problem The major air pollution problem in the textile industry occurs during the finishing stages, ...


  • Textile Industry: Air Pollution Control Through Wet Scrubbers, High Energy Venturi Scrubbers, Packed Bed Scrubbers and Other Technologies

    Wet Scrubbers, High Energy Venturi Scrubbers, Packed Bed Scrubbers are an excellent solution for air pollution in the textile industry. The textile industry is plagued by air pollution problems which must be resolved. In particular, smoke and odor arising in the process require abatement. Air pollution control technology is available today which will serve the textile industry well ...


    By CR Clean Air Group, LLC

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