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hydrocarbon contaminated site Applications

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    Contaminated Soils with Diesel Fuel and Heating Oils

    Sitelab's UVF-3100D is used to test soil to help investigate and clean up sites contaminated by above ground or underground storage tanks (USTs). Soils can be analyzed for extended diesel range organics (EDRO) or extractable petroleum hydrocarbons (EPH). Results correlate well to confirmatory lab methods.

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

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    Hazardous waste treatment solutions for site remediation

    The contamination of soils as a result of prior chemical production can often be unpredictable and diverse. The majority of such pollutants will require an ex-situ treatment method. Many of our VacuDry units can be used for direct-feeding contaminated soils. To reduce the input amount for thermal treatment, the VacuDry units can also be used in combination with soil-washing plants: In this case, customers only feed the high polluted fractions and screened fines (e.g. below 10 mm), as well as the filter-cake from the soil washing process. However, we are able to handle soil contaminated with mercury, hydrocarbons, PAH, PCB, dioxins, furans, organic-lead compounds and many more. VacuDry plants for on-site ex-situ remediation projects are delivered in a modular design.

    By econ industries GmbH based in Starnberg, GERMANY.

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    Measurement of naphthalene in ambient air to monitor workplace exposure limits & at remediation & Superfund sites

    The Series 8900 Naphthalene Analyzer provides direct measurement of Naphthalene in ambient air. This instrument is utilized in industrial plants to monitor workplace exposure limits and at remediation and Superfund sites. The Series 8900 Naphthalene Analyzer employs a photoionization detector (PID) as the sensing element. A dual column configuration with timed backflush to vent is used to strip off moisture and heavier hydrocarbons. A pre-cut column is used in series with the analytical column. At sample injection a fixed volume of sample is carried to the pre-cut column. Backflush is timed so that only the Naphthalene and other similar components are eluted to the analytical column. Contaminants on the pre-cut column are backflushed to vent. Naphthalene is separated from potentially interfering components on the analytical column and elute to the detector for analysis.

    By MOCON, Inc. - Baseline based in Lyons, COLORADO (USA).

  • Solutions for the in-situ soil remediation

    For over twenty years, BioSolve Pinkwater has been used for Surfactant Enhanced Remediation (SER) to mobilize and solubilize residual NAPL[i], facilitating its recovery and disposal. Depending on soil and plume characteristics, Pinkwater solution can reach contaminated zones through deep injection wells or be gravity fed from surface level injection galleries. After desorbing residual NAPL from soil surfaces on contact, Pinkwater then solubilizes the hydrocarbons in an aqueous emulsion, enabling extraction at down gradient recovery wells or trenches.

    By The BioSolve Company based in Lexington, MASSACHUSETTS (USA).

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    MPP water purification systems for groundwater remediation application

    Toxic hydrocarbons in groundwater can be found dissolved in water diffused over the area. At higher concentrations they can be present as DNAPLs (dense non-aqueous-phase liquids) or LNAPLS (light non-aqueous-phase liquids) creating an enduring source of toxic contaminant supply to the water phase.

    By VWT Techno Center Netherlands B.V. - MPP Systems based in Ede, NETHERLANDS.

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    Mining Applications Testing TPH in Soil

    Testing contaminated soils on-site for total petroleum hydrocarbons (TPH) is performed to monitor the progress of bioremediation activities at mining sites. Results only take a few minutes.

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

  • Solutions for the aerobic bioremediation

    BioSolve Pinkwater is used to accelerate natural bioremediation of contaminated soil either on site through surface application or on land farms through application to biopiles. When Pinkwater solution is sprayed onto and aggressively mixed into contaminated soil, hydrocarbons come in contact with the strongly “lipophilic” (oil loving) surfactant. Mimicking the process by which bacteria make hydrocarbons digestible, the surfactants “solubilize” contaminates, pulling them into an aqueous phase. This greatly enhances “bioavailability” for naturally occurring hydrocarbon degrader bacteria. Bacteria are able to more rapidly consume the contaminating oil/fuel, thereby dramatically accelerating the biodegradation process.

    By The BioSolve Company based in Lexington, MASSACHUSETTS (USA).

  • 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.

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