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discharge monitoring Applications

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    Water monitoring technology for flow & discharge

    Measuring water flow and discharge to determine the amount of water flowing through an open channel is critical for predicting water availability and flood events, allocating watering, and more.

    By The OTT Hydromet Group based in Kempten, GERMANY.

  • Water discharge monitoring for retention tanks

    Leakwise detects oil buildup in retention tanks at the end of the treatment process and prevents the discharge of oily water into the environment.

    By GE Analytical Instruments based in Boulder, COLORADO (USA).

  • Monitoring TPH in Produced Sand for Overboard Discharge

    Sitelab's TD-500D analyzer is used on offshore oil platforms to test TPH in produced sand. The sand is contaminated by crude oil and must be treated prior to overboard discharge in order to meet regulatory limits.

    By Sitelab Corporation based in West Newbury, MASSACHUSETTS (USA).

  • Stormwater Discharge Monitoring for Oil Spills

    Leakwise can detect oil spills in stormwater due to runoff and open channels before discharge into public water.

    By GE Analytical Instruments based in Boulder, COLORADO (USA).

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    Area-velocity flowmeter for sewage lagoon discharge flow monitoring

    The Township of South Glengarry installs a new Greyline AVFM 5.0 Area-Velocity Flow Meter to measure continuous discharge from their municipal sewage lagoon. The sealed ultrasonic sensor is mounted in a horizontal 12` PVC pipe. The AVFM replaced a magnetic flowmeter that was unable to measure seasonal low flow rates.

    By Greyline Instruments Inc. based in Long Sault, ONTARIO (CANADA).

  • Monitoring industrial trade discharge for wastewater treatement industry

    Industry has had to respond to the requirements of progressive environmental legislation such as the Urban Waste Water Directive, IPC, IPPC and now the EPR (Environmental Permitting Regulations). As successive legislation becomes more stringent, discharge consents have been progressively tightened, and the need for self-regulation has become more important. As a consequence, on-line instrumentation has been installed throughout waste-water industry to continuously to provide trade discharge monitoring and perform continuous water analysis for key consent parameters.

    By Pollution & Process Monitoring Ltd based in Sevenoaks, UNITED KINGDOM.

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    Hydrometry Monitoring

    For rivers and streams we offer a range of impeller and electromagnetic current flow meters to use as a point velocity measuring devices to aid monitoring during catchment management, discharges and pollution.

    Water level can be monitored via pressure transducer and logger together with radio and GSM/GPRS telemetry options.

    By Valeport Ltd based in Totnes, UNITED KINGDOM.

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    Monitoring of phenol in water

    The Situation

    A plant located in the eastern United States manufactures phenolic resin for applications in plastics molding. This plant uses well water for cooling its reaction process and then discharges the water into a local creek.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

  • Opacity monitoring for continuous emissions

    The history of air pollution regulation dates back as far as the 13th century when in 1273, Edward I (Longshanks) of England prohibited the burning of sea coal in London. The smoke produced by its combustion was considered detrimental to human health. By the late 19th and early 20th centuries, regulations were being passed that sought to control air pollution predominantly for smoke and odour control. Traditionally, regulators were concerned with the visual impact of the discharge from a stack or chimney. Therefore, emission limits were expressed in terms of colour or opacity. Modern methods for opacity measurement still use the darkness of the stack gases to measure the amount of smoke or dust emitted within the exhaust gases.

    By DynOptic Systems Ltd based in Brackley, UNITED KINGDOM.

  • Continuous Monitoring of Wastewater

    The Sorbisense method allows for efficient monitoring of the sewage system and can help reduce costs of operation and environmental impact. The method is particularly well suited for tracking the source of periodic discharges, the identification of faulty pipe connections of the measuring of values in the recipient. The method also allows for measurements in dynamic sources - such as emissions from roads, roofs, parking lots and overflow

    By Sorbisense A/S based in Tjele, DENMARK.

  • Continuous Monitoring of Nitrates and Other Water Quality Parameters

    Nitrate is one of the most important parameters in assessing surface and ground water quality. Nitrates are naturally present in surface and ground waters in low concentrations, but are harmful to humans and livestock and cause aquatic ecosystem degradation in high concentrations. Nitrates enter the environment as human-induced pollution from a variety of sources, but the largest source is from agricultural fertilizer runoff . Other sources include wastewater treatment discharge, septic systems, and from pet waste. Nitrate is highly soluble in water and therefore readily leaches into water sources, whereas other human associated pollutants, such as phosphates and ammonia, are not transported as easily. This ability to be quickly transported into ground and natural waters such as drinking water wells, aquifers, reservoirs, lakes, and streams, coupled with its health and environmental implications make nitrate pollution and monitoring of major concern.

    By Hanna Instruments, Inc based in Woonsocket, RHODE ISLAND (USA).

  • Drinking water solutions for the source water monitoring/ protection

    Problem: A challenging aspect of drinking water treatment is often predicting or monitoring the changes that occur with incoming water quality. Seasonality, weather events, agricultural practices or upstream discharges can influence the quality of both ground and surface water over time. With multiple variables impacting source waters, monitoring historical trends may not be sufficient to predict raw water changes or detect uncharacteristic events.

    By Real Tech Inc. based in Whitby, ONTARIO (CANADA).

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    Monitoring of fuels in stormwater

    The Situation

    A major pipeline company has large storage tank farms throughout the Western States. The pipeline company transports, stores, blends additives, and distributes gasoline, diesel, and jet fuel to retail service stations and airports. Due to the quantity and movement of fuel at these facilities, there is always the potential for fuel spills. These facilities prevent out of compliance discharge by capturing all stormwater in storm drains, which is then sent to treatment systems prior to discharge. At some sites, groundwater from ongoing remediation is mixed with stormwater at the treatment system prior to local discharge.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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    Flow monitoring for quarry dewatering compliance

    A Greyline AVFM Area-Velocity Flow Meter monitors and data logs water discharged from the Bray Quarry to the South Raisin River. The Quarry is required to measure flow for environmental permit compliance.

    By Greyline Instruments Inc. based in Long Sault, ONTARIO (CANADA).

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    Monitoring of hydrocarbons in bilge water

    The Situation

    Various processes onboard ships, such as machinery wash-down, maintenance, and leakage, generate oily wastewater. This contaminated water flow collects in the bilge of the ship. Marine diesel, lubricating oils, grease, as well as other contaminants may be present in bilge water. The bilge water is discharged overboard, with oil and grease concentrations in the discharged water limited by national and international regulations.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

  • Groundwater Monitoring for Remediation

    Many fresh water sources have been degraded to toxic levels by the inclusion of industrial, agricultural, and human waste products that have been discharged into the closest body of water, accidentally or deliberately for many years.

    By HERON Instruments Inc. based in Dundas, ONTARIO (CANADA).

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    Monitoring of hydroelectric dam sumps

    The Situation

    Hydroelectric dams produce electric power by harnessing the force of the water flowing through the dam. There are numerous sources for oil spillage:

    • The hydroelectric turbines are lubricated by lubrication oils.
    • The very large water control valves are normally hydraulic powered and are lubricated with various greases and oils.
    • Vehicles including fork lifts, trucks, etc., can spill oils and fuels.

    Any accidental spillage of oil or grease or intentional wash down water containing minor amounts of oils, greases, and detergents must be collected and treated before discharge to the river. These fluids along with any water leaks are collected in sumps in the dam and are regularly pumped out. In many cases, the volume of water is substantial.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

  • Water quality monitoring for environmental industry

    Maintaining the quality of natural waters provides numerous economic benefits by preventing severe deterioration of water resources that would require expensive treatment operations to protect public health and the environment. For instance, monitoring nitrates in surface waters can possibly prevent algal blooms from happening by facilitating the necessary steps to stop pollution sources from discharging nitrogen nutrients into the water system.

    By Real Tech Inc. based in Whitby, ONTARIO (CANADA).

  • Airport Environmental Monitoring

    Water pollution from airport run-off is increasingly coming under public and government scrutiny. As environmental regulations tighten, the ability to monitor for aviation fuel contamination from runway run-off has become essential.

    Monitoring sites at airports can be extremely challenging often with no power or telephone lines available and with limited access for maintenance. Chelsea’s robust UviLux Hydrocarbon Sensor with its low power consumption and high accuracy is ideally suited for this application. Installed at various locations around the airport, deployed with it’s own integrated anti-biofouling system, utilising the GSM network, the monitoring sites send data to a secure ftp site, where any internet enabled device can access the data. In this way the systems act as any early warning system allowing any hydrocarbon discharge to be detected in real-time.

    Optional environmental monitoring features include remote control to allow the user to turn equipment on and off, change the sample rate and detection range. There is also a facility to allow SMS text and email alarm notifications triggered by user-defined set-points together with customised web pages, data displays and automated data downloads via an ftp server.

    Airport runoff can contain high concentrations of various pollutants, in particular polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs), the environmental levels of which have to be monitored. An understanding of the magnitude of contamination due to airport runoff water is important for the effective management of airport infrastructure. Chelsea’s robust UviLux Hydrocarbon Sensor with its low power consumption and high accuracy is ideally suited to the airport environment.

    By Chelsea Technologies Group based in West Molesey, UNITED KINGDOM.

  • Waste water monitoring solutions for wastewater treatment industry

    Improved waste management through automation can deliver more efficient waste treatment, reduced energy and chemical consumption and improved effluent quality. The cost of treatment and trade discharge can thus be significantly reduced.

    By Pollution & Process Monitoring Ltd based in Sevenoaks, UNITED KINGDOM.

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