electrical resistance heating remediation Articles

  • LNAPL remediation using electrical resistance heating

    Abstract An Electrical Resistance Heating (ERH) pilot test was conducted in the fall of 1998 to determine the effectiveness of using ERH in combination with soil vapor extraction (SVE) for the remediation of benzene and light nonaqueous-phase liquids (LNAPL) at an island location on a river in the Midwest. Hydrocarbon-stained soils were discovered on an island in Ohio in May 1993 during the ...


    By TRS Group, Inc.

  • Electrical Resistance Heating: a Hot New Approach to Soil and Groundwater Remediation

    Electrical Resistance Heating (ERH) is an aggressive remediation technology that can quickly reduce the mass of volatile organic compounds (VOCs) in soil and groundwater by over 99%. The process is often used to clean sites where other technologies have had limited success. Larger ERH sites are cleaned within 6 to 12 months and smaller sites can be cleaned in half that time or ...


    By TRS Group, Inc.

  • In situ Remediation of 1,4-Dioxane using Electrical Resistance Heating

    An increasing number of states are establishing enforceable 1,4-dioxane cleanup goals due to recent improvements in analytical detection methods and existing carcinogenic risk information for 1,4-dioxane. Historically, 1,4-dioxane was used as a stabilizer for chlorinated solvents, primarily 1,1,1-trichloroethane. In addition, 1,4-dioxane has been used in a broad range of products including but ...


    By TRS Group, Inc.

  • Application of electrical resistance heating for remediation petroleum hydrocarbons at Greensboro maintenance yard

    Project History Former FDOT Maintenance Yard Operated from 1965 to 1997 Facility dispensed diesel fuel and unleaded gasoline from 3 USTs; 1 AST used to store used oil USTs/AST removed in 1997 SAR/Pre-RAP Monitoring results indicated: Presence of light non-aqueous phase liquid (LNAPL) at depth (approximately 23 feet below land ...


    By McMillan-McGee Corp.

  • In Situ Thermal Remediation of DNAPL and LNAPL Using Resistance Heating

    Electrical resistance heating (ERH) is an in situ thermal treatment for soil and groundwater remediation that can reduce the time to clean up volatile organic compounds (VOCs) from years to months. The technology is now mature enough to provide site owners with both performance and financial certainty in their site-closure process. The ability of the technology to remediate soil and groundwater ...


    By TRS Group, Inc.

  • First State-funded cleanup using electrical resistivity heating technology

    The Remediation and Redevelopment Division (RRD) completed remediation at a former dry cleaning facility in the city of Owosso using electrical resistivity heating (ERH) technology. Electrical resistivity heating is an in­situ electrical heating technology that uses electricity and applies it into the ground through electrodes. The resistance of the electricity traveling through the ground ...


    By TRS Group, Inc.

  • New Advancements for In Situ Treatment Using Electrical Resistance Heating

    Electrical resistance heating (ERH) is proving to be an effective technology to rapidly heat the subsurface and, in doing so, removing volatile organic compounds. Practitioners of this technology have observed that other processes (biodegradation, abiotic degradation, hydrolysis, and possibly others) occur to break down the chemicals of concern, and remediation is not solely accomplished through ...


    By TRS Group, Inc.

  • Enhanced Removal of Separate Phase Viscous Fuel by Electrical Resistance Heating and multi phase Extraction

    Abstract A floating hydrocarbon plume at a manufacturing facility in Georgia was remediated using electrical resistance heating (ERH) and multi-phase extraction. The hydrocarbon was a specialty fuel similar to kerosene or diesel fuel. Initially, hydrocarbon covered an area of 4900 ft2 (500 m2) and was up to l0 ft (3 m) thick, with most wells containing 1-3 ft (0.5-1 m) of hydrocarbon. ...


    By TRS Group, Inc.

  • In Situ electromagnetic heating for hydrocarbon recovery and environmental remediation

    Introduction Thermal recovery methods, as applied in heavy oil and oil sand deposits, and in environmental remediation, have the common objective of accelerating the hydrocarbon recovery process. Raising the temperature of the host formation reduces the oil and bitumen viscosity, and, in environmental remediation, increases vapour pressure. These effects assist in sweeping the substances ...


    By McMillan-McGee Corp.

  • Green remediation

    The US Environmental Protection Agency’s (EPA) strategic plan calls for increased research and application of sustainable systems that promote environmental stewardship, reduce greenhouse gas (GHG) emissions, and improve energy efficiency. One area of this research is green remediation. Green remediation is a relatively new approach to environmental cleanup; expanded from the traditional ...


  • Deep, DNAPL remediation Portland, OR

    In 1999, the senior managers of TRS Group, Inc (TRS) while working for a former employer, as a subcontractor toAMEC, provided Electrical Resistance Heating (ERH) for VOC-impacted groundwater at a commercial site in Portland,Oregon. The remediation was conducted under the Oregon Department of Environmental Quality (DEQ) Voluntary Cleanup ...


    By TRS Group, Inc.

  • Portland, Or - Deep, DNAPL remediation

    In 1999, the senior managers of Thermal Remediation Services, Inc (TRS) while working for a former employer, as a subcontractor to AMEC, provided Electrical Resistance Heating (ERH) for VOC-impacted groundwater at a commercial site in Portland, Oregon. The remediation was conducted under the Oregon Department of Environmental Quality (DEQ) Voluntary Cleanup Program. The remedial action objective ...


    By TRS Group, Inc.

  • Three-Phase Heating? Six-Phase Heating? Which is Better?

    First off, both “three-phase heating” and “six-phase heating” are varieties of Electrical Resistance Heating (ERH) – there really isn’t that much difference between them. The skill of the electrode designers and the experience of the operators are far more important to the success of your project than is the number of electrical phases. Thermal Remediation Services uses the best phasing technique ...


    By TRS Group, Inc.

  • Springfield, MO - TCE remediation in bedrock - Case Study

    Remediation of TCE at Former Industrial Manufacturing Facility Confidential Client — Springfield, Missouri Project Summary TRS, as a subcontractor to Stantec, designed, installed and operated an electrical resistance heating (ERH) system at a former industrial manufacturing facility in Springfield, Missouri. TCE in soil was ...


    By TRS Group, Inc.

  • TCE remediation in low permeability soil olney, Illinois

    Thermal Remediation Services, Inc. (TRS) successfully completed the remediation of subsurface trichloroethene contamination in a mixed-phase environment on a time-based, fast-track, guaranteed basis. By utilizing TRS’ signature Electrical Resistive Heating (ERH) technology complimented by vapor recovery, TRS was able to overcome significant challenges that included: A low permeability ...


    By TRS Group, Inc.

  • Thermal Remediation of Karst Limestone – Redstone Arsenal, Alabama

    Abstract: Electrical resistance heating (ERH) was used for the thermal remediation of two sites at Redstone Arsenal (RSA) near Huntsville, Alabama. Both sites feature karst limestone with heavy clay overburden. The two sites are located about five miles (10 km) apart, but differ considerably in the characteristics of the limestone. At site RSA-053, the heavy clay is underlain by very hard, ...


    By TRS Group, Inc.

  • Case study - Pemaco superfund site remediation

    OVERVIEW Pemaco was formerly a chemical facility located in a light industrial and residential area of Maywood, CA, adjacent to the Los Angeles River. No one knows how long hazardous substances had been leaking into the ground but the operations date back to the 1940's.  Up until closure of the facility in 1991, chlorinated solvents, aromatic solvents, and flammable liquids had ...

  • Source area remediation of TCE in soil and groundwater Fort Wayne, Indiana

    TRS Group, Inc. (TRS) was retained by Clayton Group Services to perform an Electrical Resistance Heating (ERH) remediation of trichloroethene (TCE) in soil and groundwater. The guaranteed remediation contract required both the baseline TCE mass in soil and groundwater to be reduced by 90% and 1,588,000 kilowatt-hours (kW-hrs) of energy to be applied to the subsurface. TRS was able to input the ...


    By TRS Group, Inc.

  • Owosso MI - Guaranteed PCE remediation under active restaurant - Case Study

    First Michigan state-funded cleanup using electrical resistivity heating technology and a guaranteed project. Background The site is a former dry cleaner that had operated for more than 20 years. The dry cleaning operations left residual perchloroethylene (PCE) contamination in the soil and groundwater and a building was constructed on the site without ...


    By TRS Group, Inc.

  • Dry cleaner remediation of PCE below operating shopping mall Richmond, Virginia

    TRS Group, Inc. (TRS) was retained by ENSR/AECOM to perform an Electrical Resistance Heating (ERH) remediationof tetrachloroethene (PCE) in groundwater under a former dry cleaner at the Brookhill Shopping Center in Richmond,Virginia. Site assessment activities revealed PCE concentrations would require remediation before an impending property transfer could occur. The standard fixed price ...


    By TRS Group, Inc.

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