Weirs Articles

  • Habitat Restoration – Salmon Trout River - Case Study

    Construction Date: Summer 2012/Summer 2013 Location: Big Bay, Michigan Category: Sand Wand™ Habitat Restoration A little background Coaster brook trout were once common throughout Lake Superior basin tributaries and near shore waters, but the populations were wiped ...


    By Streamside, LLC.

  • WaStop prevents flooding on Meritt Island Case Study

    Problem: Brevard County converted two borrow pits into retention ponds for polluted stormwater collected from the Pine Island Canal. This waterway collects stormwater from a 5,970 acre drainage basin, including citrus groves and agricultural land, and deposits it into the Indian River. A method for allowing water to flow from the canal to the converted borrow pits and to ...


    By Wapro AB

  • Wastop installed in Thames Gateway Case Study

    Problem: The Thames Gateway is an area of land in the southeast of England that stretches along the River Thames from the City of London eastwards through Thurrock and Bexley and on to Southend in Essex and Sheerness in Kent. Over the next 20 years, 120 000 new homes will be built and 180 000 new jobs will be created.  The Environment Agency ...


    By Wapro AB

  • Welland canal – Weir 1, 2 and 3 - Case study

    In 2008, the St. Lawrence Seaway Management Corporation together with Rankin Renewable Power Inc. developed three green energy hydro power projects on the Welland Canal. The new power plants are located at the weirs adjacent to Locks 1, 2 and 3 in St. Catharines, Ontario, Canada. CHC provided a water-to-wire equipment package for each new plant, including a 1700 mm vertical axial flow Kaplan ...

  • Bringing precision to steel production - Case Study

    Aluminum and steel manufacturers use mass flow controllers to inject purification, stirring and shielding gases into their melting, casting and annealing processes. Precise, automated gas flow control reduces toxic emissions and material costs.  Final purification of aluminum is accomplished by bubbling a mixture of argon and chlorine gases through the molten metal. This process separates ...


    By Sierra Instruments, Inc.

  • OSEK - Czech Republic - design and construction of a new SHPP - Case Study

    Project Review The construction of the SHPP Velky Osek has been succesfully completed in October 2012. ...

  • Flow monitoring with SlideControl - Case Study

    Application A producer of cement packs his product in a sack fi lling machine. The material comes from the storage silo through an air slide, fed in by a gate valve. The further material transport from the silo to the fi lling station occurs discontinuously by a number of screw conveyors, a bucket elevator and a conveyor belt. A central role in this application plays the ...


    By ENVEA

  • Bedford flood gate control - Case study

    Bedford Borough Council have been given responsibility for the management and control of 2 flood gates on the Great Ouse in the center of Bedford. OTT Hydrometry were successful in the tender process and were commissioned to install a monitoring solution that can trigger the opening and closing of the existing flood gates at predetermined river levels. In addition to the flood gate control the ...


    By OTT HydroMet

  • Major wastewater treatment plant works to serve urban metropolis - Stonecutters Island, Hong Kong - Case Study

    Project type Wastewater Area served Urban; densely populated Population served 5,000,000 Status Complete (2017) The large-scale wastewater treatment plant on Stonecutters Island was upgraded and extended to handle wastewater treatment for over five million Hong Kong residents as part of ...


    By Biwater

  • Tidally-Influenced New Orleans Canal Network Benefits from Accurate Water Level Data

    Application The Southern Louisiana Hurricane Protection System includes a network of levees, floodwalls, floodgates, and pumping stations in New Orleans, Louisiana. This network includes monitoring equipment designed to improve management of water levels throughout the system. Water level monitoring helps synchronize pumping and assures that all elements of the water level control system are ...


    By In-Situ, Inc.

  • What is a Mineral Thickener Tank

    The Thickener Tank is a solid-liquid separation device based on gravity sedimentation. It is usually a cylindrical shallow groove and a tapered bottom. It is made of concrete, wood or metal welded plates as a structural material. An excellent thickener brand needs to meet two basic indicators: good equipment quality and innovation. In addition ...

  • Don’t Just Replace a Check Valve, Upgrade It!

    Just over 300 miles northwest of Santa Monica, CA, where the world’s first marine outfall was installed in 1910, check valves are being re-designed and engineered for outfalls all over the world. Outfalls – which are essentially discharge points of a waste stream into rivers, drains, sewers, or other bodies of water – are located in thousands of places across the planet. Many of ...


    By Proco Products, Inc.

  • Using the Winlog Lite SCADA Software with a DT80-Range Logger

    Winlog Lite SCADA Software Winlog Lite SCADA Software enabling a wide range of application development and online browser-based access. Factory and plant managers can benefit from using a dataTaker DT8X Series Data Logger to create and configure their Winlog ...


    By CAS DataLoggers

  • Coker Valve Monitoring in a Refinery

    Measurement & Control Solution for Manufacturer of Valve Systems CAS DataLoggers provided the measurement and control solution for a large manufacturer of valve systems used in many different industries. The company produces ball, needle, choke, control, gate, and other types of valve systems with many different diameters. One of its customers was a refinery using a custom 3-way switching ...


    By CAS DataLoggers

  • D-Series decanter for sludge dewatering at RHV STEYR, Austria - Case Study

    Innovative energy efficiency technologies RHV STEYR, a community environmental association serving the city of STEYR (Austria) and several neighboring villages, enlarged and modernized its sewage treatment facility to cope with the ever increasing requirements of more stringent legislation in the face of rising effluent levels and thus, increasing amounts of sludge. The ...

  • Los Andles & San Felipe WWTP Project - Case Study

    Customer: Geiger International GmbH (Germany) Project Name: Los Andles & San Felipe WWTP Manufacturing year: 2002 Scope of supply 2 pcs. Grit Scrapper 4 pcs. Circular Scrapper 2 pcs. ...


    By ASTIM A.S.

  • Sütaş Aksaray & Karacabey Project - Case Study

    Customer: Arbiogaz (Turkey) Project Name: Sütaş Aksaray & Karacabey Project Manufacturing year: 2007 etc.; Material: CS + Sand B. + Epoxy Coating Scope of supply 1 +1 pcs. ...


    By ASTIM A.S.

  • Perpignan WWTP Project - Case Study

    Customer: OTV France Sud (France) Project Name: PERPIGNAN WWTP Manufacturing year: 2006/2007 Scope of supply 3 pcs. Longitudinal Grit & Grease Scraper Bridges (with Control Panel, Grease Ramps and Guirlande ...


    By ASTIM A.S.

  • Nador WWTP Project - Morocco - Case Study

    Customer: OTV (France) Project Name: Nador WWTP Manufacturing year: 2006 Scope of supply 2 pcs. Ø 10,55 m. Central Driven Clarifier, scraping mechanism, completely St- 37 2 pcs. Ø 12m. ...


    By ASTIM A.S.

  • Beta Group - Cargill Russia, Double Padd - Case Study

    Specifications: Paddle mixer: Body, mixer shaft and paddles are AISI 316 SS, front and back covers are CS + AISI 316 SS cladding, construction and supports are CS + sandblasting + epoxy coating, total weight: 9000 kg. Screw Conveyor: 14 m length, weir plate is stainless steel Scope of ...


    By ASTIM A.S.

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