Wastewater Instrumentation White Papers & Case Studies

  1. Replacement Vacuum Feeders For Hypo And Bisulfite Boost Disinfection Reliability For WWTP
    9/10/2015

    The replacement feeders also cut bisulfite consumption by 30 percent and ended the troublesome maintenance burden for instrumentation tech and plant operators.

  2. The Most Misunderstood Fact Behind Dissolved Oxygen Sensors (It’s The Pressure, Not The Concentration)
    8/5/2015

    A dissolved oxygen sensor ought to be simple to understand. Whether it is membrane or optically based, it gives a signal that is proportional to the concentration of oxygen concentration in water.

  3. Wastewater Plant Solves Combined Sewer And Flow Metering Problems
    8/4/2015

    The Easterly Wastewater Treatment Plant recently found ways to solve two knotty problems at essentially the same time. Because of the number of combined sewers in Easterly’s service area, the plant needed to add capacity and overflow storage, and management decided to also address a need that was going to grow in importance in the near future — flow metering. By Jack Sine, FLEXIM Americas Corp.

  4. Monsters Protect Pump Station, Weather Storms In Scotland
    7/14/2015

    Pump blockages and rags are a significant barrier to energy and operational efficiencies at pump stations, causing unscheduled shut downs, safety hazards for operators, costly equipment repairs and increased power usage due to a decrease in the pumps’ hydraulic performance. Scottish Water observed these negative effects caused by an influx of wipes and rags throughout a network of area pump stations. Engineers looked to a proven, powerful solution in the form of two JWC Environmental Channel Monster® grinders at one of their most problematic sites.

  5. Continuous Analyzer Integrated Data Validation
    5/28/2015

    Continuous analyzers are an integral part of the process to maintain quality, ensure compliance, and protect public health. Therefore it is imperative to ensure the analyzers are functioning properly and provide accurate and reliable data. This requires validation of the data provided by the analyzer on a routine basis. In addition some continuous analyzers incorporate internal data validation capabilities to inform the end user the reliability of the data provided by the analyzer. This paper discusses integrated data validation and how they may be integrated into SCADA systems.

  6. Five Years Of Post-Aeration At A Wastewater Treatment Plant
    5/28/2015

    To protect the environment, wastewater treatment facilities across the country are required to deliver dissolved oxygen (DO) into the treated effluent, with most DO permits ranging from 2 to 10 mg/L.

  7. Rumors, Half-Truths, And Truths About Temperature And pH
    4/6/2015

    A few months ago I received a call from an angry user who was using one of our differential probes and a controller. Embedded in the probe is a thermistor that measures temperature.

  8. How Automated Real-Time Controls Can Provide More Consistency In Wastewater Treatment Operations
    3/19/2015

    Within a wastewater treatment plant (WWTP), operators typically face an extremely wide range of different variabilities.

  9. Coal Yard Runoff Compliance Using Actiflo® Technology
    3/6/2015

    Storm water runoff from a 37-acre coal storage yard utilized as part of daily operations at an industrial site in Southwestern Pennsylvania posed a problem when the Pennsylvania Department of Environmental Protection (DEP) updated the facility’s NPDES permit.

  10. Measure And Control Cyanide With The CNSolution 9310
    3/2/2015

    The CNSolution 9310 analyzer is used in precious metal processing to measure and control cyanide used in the hydrometallurgical leaching of gold and silver from the ore.