dewatering screen Articles

  • Pulp & Paper Water Treatment - A look at optimizing water resource management

    Application Case Study (Pulp/Paper Operations) The pulp and paper industry has traditionally been a consumer of large amounts of fresh water and power. Recently, increased focus has been given to the optimized efficiency of paper mills and to the environmental sustainability footprint of the industry. Therefore, water resource management has become a more critical factor ...

  • 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

  • Quarry Dewatering Compliance

    Louis W. Bray Construction installed a Greyline Area-Velocity Flow Meter in 2009 to meet Ministry of Environment regulations. Their permit stipulated effluent limits plus monitoring, sampling and flow measurement of wastewater discharged from the site to the South Raisin river. The Ontario Water Resources Act requires flow monitoring for any quarry dewatering ...


    By Greyline Instruments Inc.

  • Quarry dewatering compliance

    Louis W. Bray Construction installed a Greyline Area-Velocity Flow Meter in 2009 to meet Ministry of Environment regulations. Their permit stipulated effluent limits plus monitoring, sampling and flow measurement of wastewater discharged from the site to the South Raisin river. The Ontario Water Resources Act requires flow monitoring for any quarry dewatering greater than 50,000 liters per day. ...


    By Greyline Instruments Inc.

  • Aggressive dewatering aids concrete rehab at Abitibi

    An enormous volume of water passes through the Abitibi Canyon Generating Station every hour of every day. In order to complete critical concrete repairs on the hydro power station, general contractor The Barclay Construction Group needed to find a way to pump and discharge almost 30 million gallons of water in a 500-metre section of the river upstream from the station in under 30 hours. Aquatech ...


    By Aquatech Dewatering Company

  • Processing Wastewater Sludge Using Dewatering Containers

    The relative cost of dewatering equipment varies widely and is directly related to the processing rate. For smaller utilities that need to dewater sludge in batches, dewatering containers are an alternative that can be relatively inexpensive and simple when compared to other technologies on the market. The most common type of dewatering container is based on a roll-off box design, although any ...


    By Flo Trend® Systems, Inc.

  • SCS - Spiral Channel Screen

    Here we grow again! More new products from Arlat Arlat releases it’s ‘SCS’ Spiral Channel Screen, for use in small channels and Septage Receiving stations. Ready for release this year, Arlat is adding another screen design to their product line up. The SCS is designed for channels that are 2’ (24”) in width or smaller. Arlat has received numerous call from sales representatives and ...

  • Wastewater Treatment- Internally Fed Screen

    Wastewater Treatment:  Solids removal with internally fed screens efficiently filters the majority of material.  Stuart Ward of  Process Engineered Water Equipment, LLC explains screening equipment is key.  Every installation has an issue and at BrucePac JLR the challenge was removing screened ...


  • Indoor Dewatering Plan Successful for Palm Beach Florida Mall

    Griffin Dewatering was hired to provide a workable dewatering plan to facilitate the“facelift” of a swanky mall in Palm Beach — all while maintaining a low profile to accommodate everyday mall business. When the Palm Beach, Fla., area was growing into the north end of the county, it became apparent that a new shopping venue was required. After all, these residents ...


    By Griffin Dewatering

  • Cylindrical Screw Screen Spiraltec - Case Study

    In this case study taking place in Langley, Washington, the in-tank Spiraltec spiral screen, which is designed to collect, convey, dewater and compress wastewater solids, replaced a manual screen in a 0.2mgd capacity wastewater treatment plant. As a result on installing Aqualitec's Spiraltec, not only it is now complying with biosolids rules but ...


    By Aqualitec Corp.

  • Rectangular Vibrating Screen Separators: Uses and Applications

    Vibratory screeners come in a wide range of sizes and configurations to support a diverse set of applications. Choosing the right machine for your purposes can be a daunting task — particularly if you’re upgrading older equipment that has been used for years. Technology has changed considerably, and there’s a good chance what was best for ...


    By VibraScreener Inc.

  • Isolation of Extra Cellular Biopolymer Producing Microorganisms from Wastewater Sludge for Sludge Settling and Dewatering

    Sludge settling and dewatering are carried out by employing cationic synthetic polymer (CSP) in municipal and industrial wastewater treatment plant. CSP are expensive and further pollute the environment, hence to address these problems bioflocculation of sludge was examined in this study. Microorganisms were isolated from municipal and industrial wastewater sludges and six extracellular polymeric ...

  • 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

  • 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

  • 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

  • Chicken Skin Wastewater

    The wastewater from a poultry processing plant contained almost exclusively skins, and high concentrations of fat for approximately 8 hours of the production day. This wastewater created heavy blinding problems on their dewatering system. In lab tests the untreated wastewater would completely blind 30 thousands wedge wire screen and inhibit dewatering. IE-614 treated the wastewater with no pH ...


    By Integrated Engineers Inc.

  • Struvite Removal & Vivianite Removal Case Study- Heat Exchanger and Screw Press

    A regional wastewater treatment plant in Sonoma County was experiencing problems with struvite on their screw presses and vivianite on their heat exchangers.The plant maintenance staff was forced to shut down the dewatering process every three (3) weeks to clean because of struvite deposits on the screen of the screw press. They also noticed that they were having a difficult time maintaining ...


    By Struvite Removal

  • Lakefront Property

    With 75 percent of the $45-million, three-story Pier Wisconsin project in Milwaukee being constructed over Lake Michigan, much of the project will be built on piles embedded in the lake bottom.The team from Griffin Dewatering Corporation used a newly developed system designed to screen out silt and reduce turbidity of discharge water. “This is a highly unusual project because it is all ...


    By Griffin Dewatering

  • Peach Processing Wastewater Treatment

    A major fresh pack operation of peaches and nectarines needed a screening system to remove the labels and peach fuzz from their wash water before it was pumped from the pond for irrigation use. Flow to the pond is a steady flow of 50 gpm, rising to 600 gpm during periodic draining of the peach coolers and washing systems. The water is a combination of wash water, labels and fuzz from the fruit, ...


    By Integrated Engineers Inc.

  • Dunstable sewage treatment plant steps up to mono nov for a complete extraction package

    Underlining its ability to supply either individual products or complete packaged systems for this type of application, Mono also provided two screw extractor systems and a single screw conveyor to partner an existingunit. The original step screen units installed on the Dunstable plant’s inlet flow had proved to be inefficient and unreliable. The replacement Discreen units now screen the inflow, ...

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