erh system Articles

  • Cape Canaveral, Florida - ERH Remediation of TCE DNAPL - Case Study

    Early technology demonstration of ERH used to remediate TCE DNAPL The Interagency DNAPL Consortium (IDC) representing the U.S. EPA, NASA, DoE, DoD, and U.S. Air Force conceived a demonstration to test three technologies for DNAPL remediation. The Technical Advisory Group (TAG), consisting of nationally known experts in the field of DNAPL remediation, conducted the technology ...


    By TRS Group, Inc.

  • ERH & MPE remediation of DNAPL and LNAPL fort lewis superfund site, Washington

    As the prime contractor, TRS Group, Inc. (TRS) designed and operated Electrical Resistance Heating (ERH) systemsto treat three LNAPL/DNAPL source areas at the Ft. Lewis, East Gate Disposal Yard (EGDY) NPL site. Contaminants ofconcern in NAPL Areas 1, 2 and 3 included chlorinated solvents, primarily trichloroethene (TCE), and POLs (petroleum products, oil and lubricants). Based upon pre- and ...


    By TRS Group, Inc.

  • Case Study - Jamaica Queens, New York - Full-Scale Remediation using ERH

    This project involved a guaranteed source area remediation of tetrachloroethene (PCE) at an operating school bus maintenance facility located in Queens, New York. Engineer: Mr. Greg Beyke Project Superintendent: Mr. Paul Bianco Lithology: Clean sand in both the vadose and saturated zones. Hydrology: Groundwater depth at 12 ft below grade surface (bgs). Treatment Area, Depth Interval ...


    By TRS Group, Inc.

  • Everett, WA - ERH under active storm water retention basin - Case Study

    First below water ERH remediation of TCE in active stormwater retention basin Project Summary TRS Group, Inc. (TRS) worked as a sub contractor to Landau Associates on this unique ERH remediation project. This project represents the first of its kind using ERH for site remediation underneath an industrial storm water retention basin full of water. The ...


    By TRS Group, Inc.

  • Using constructed wetland systems to remove solids from highly polluted river water

    The Erh-Ren River is located in southern Taiwan and is one of the most polluted rivers in Taiwan. A pilot-scale constructed wetlands (ERRCW) system containing a free surface flow wetland (FSF) followed by a subsurface flow wetland (SSF) was set up to treat the polluted river water. The system was designed to include solids removal. A removal efficiency of suspended solids (SS) in the ERRCW system ...


    By IWA Publishing

  • Remediation of TCE DNAPL under an operating industrial manufacturing facility - air force plant 4 Fort Worth, TX

    As a subcontractor to URS Corp., TRS designed, installed and operated a full-scale Electrical Resistance Heating(ERH) remediation system covering an area of about 1/2 acre inside Building 181 at Air Force Plant 4 in Fort Worth, TX. This is the most complex application of ERH ever completed inside and underneath an operating, heavy industrial manufacturing facility. The cleanup objectives for the ...


    By TRS Group, Inc.

  • Remediation of PCE belowgrade in an active alley southside Chicago, IL

    Under contract to Malcolm Pirnie, TRS Group, Inc. (TRS) designed, installed and operated the ERH remediation system at this dry cleaner facility in an active alley behind a shopping mall. The goal of the remediation project was to reduce tetrachloroethene (PCE) concentrations in soil to less than 11 milligrams per kilogram (mg/kg). While site soil also contained other chlorinated volatile organic ...


    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.

  • TCE remediation at an operating railroad fueling facility glendive, Montana

    TRS Group, Inc. (TRS) worked as a subcontractor to Kennedy Jenks Consultants (KJ) to remediate trichloroethene(TCE) in soil during the winter months in Eastern Montana. The project was performed for a firm fixed price based on the TRS standard contract that included installing and operating the ERH system until either the remedial goal was achieved or the design energy was applied, whichever ...


    By TRS Group, Inc.

  • Removing CVOCs under a building equals increased property value tucker, Georgia

    TRS Group, Inc. (TRS) worked as a subcontractor to Brown and Caldwell to remediate five chlorinated volatile organic contaminant (CVOC) source areas in the soil under a manufacturing building. To accomplish this, Electrical Resistance Heating (ERH) remediation, it was necessary to place over 70 electrodes and vapor recovery wells through the main floor of the facility and to use angled electrodes ...


    By TRS Group, Inc.

  • Remediation of TCE NAPL in active Alleyway Arlington, Texas - Case Study

    Project Summary TRS Group, Inc. (TRS) completed a standard Fixed Price Remediation (SFPR) of trichioroethene (TCE) in soil in Arlington, TX using electrical resistance heating (ERH) in 2012, The system incorporated 19 electrodes with horizontal vapor recovery (VR) wells to treat a soil volume of approximately 4,155 cubic yards (yd3) located between two active buildings. Active ...


    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.

  • Guaranteed fixed price remediation of TCE, PCE and VC in soil and bedrock under an active manufacturing facility confidential client Greensburg, IN

    TRS Group, Inc. (TRS), as a subcontractor to St. John, Mittelhauser and Associates (SMA) provided a guaranteed fixed price remediation of trichloroethene (TCE), tetrachloroethene (PCE) and vinyl chloride (VC) in soil using Electrical Resistance Heating (ERH) at a confidential site located in Greensburg, IN. Unique aspects of this project included: Operation of one ERH system to treat four ...


    By TRS Group, Inc.

  • Heat-enhanced bioremediation and destruction - Case Study

    Introduction In situ thermal treatment through Electrical Resistance Heating (ERH) is a proven robust technology for the treatment of volatile organic compound (VOC) source zones. ERH effectively treats the subsurface by volatilizing dense non-aqueous phase liquid (DNAPL) and VOCs, recovering the vapor, and treating the vapor by conventional technologies such as granular activated carbon ...


    By TRS Group, Inc.

  • Remediation of methylene chloride in soil and groundwater beneath a former manufacturing facility Northwest Atlanta, GA

    TRS Group, Inc. (TRS), as a subcontractor to MACTEC, Inc. (MACTEC) provided a standard fixed price remediation of methylene chloride (MeCl) and trichloroethene (TCE) in soil and groundwater using Electrical Resistance Heating (ERH) for a confidential client in Northwest Atlanta, GA. Valuable location and large area motivated client to select ERH to provide a rapid and complete remediation for ...


    By TRS Group, Inc.

  • Case Study - TCE Source Area Remediation at a Former Manufacturing Facility Confidential Client – Western Connecticut

    Project Summary TRS Group, Inc. (TRS), as a subcontractor to AECOM, completed a Standard Fixed Price Remediation (SFPR) of trichloroethene (TCE) in groundwater in Western Connecticut using Electrical Resistance Heating (ERH). The objective of the ERH project was to achieve the prescribed remediation goal for dissolved TCE in groundwater within the treatment volume. The system ...


    By TRS Group, Inc.

  • Seattle, WA - Rapid PCE remediation for Brownfield redevelopment - Case Study

    Brownfield Redevelopment in South Lake Union Area of Seattle Project Summary TRS Group, Inc. (TRS) designed, installed and operated an electrical resistance heating (ERH) source area remediation project at a former commercial laundry and dry cleaning facility in the rapidly growing area of South Lake Union in Seattle, WA, The scope of the remediation was to ...


    By TRS Group, Inc.

  • San Diego - Hydrolysis remediation of TCA/TCE in soil and groundwater - Case Study

    Hydrolysis remediation using ERH Project Summary TRS Group, Inc. designed and implemented an electrical resistance heating (ERH) system to reduce concentrations of chlorinated volatile organic compounds (CVOCs) in soil and groundwater at a site in San Diego, California, Chlorinated solvents including 1,1,1-trichloroethane (TCA) and trichloroethene (TCE) had ...


    By TRS Group, Inc.

  • Eastern Montana - Remediation below operating facility

    Thermal Remediation Services, Inc. (TRS) worked as a subcontractor to Kennedy Jenks Consultants (KJ) to remediate trichloroethene (TCE) in soil during the winter months in Eastern Montana. The project was performed for a firm fixed price based on the TRS standard contract that included installing and operating the ERH system until either the remedial goal was achieved or the design energy was ...


    By TRS Group, Inc.

  • Fort Wainwright - Fairbanks, Alaska - Case Study

    Project Summary A test of soil heating for cold climates was conducted at the West Quartermaster's Fueling System in Operable Unit 5 of Fort Wainwright near Fairbanks, Alaska. This site had experienced a release of gasoline and diesel fuel into a gravelly sand aquifer that flows into the Chena River. Three independent study sites were established: an unheated soil vapor extraction and ...


    By TRS Group, Inc.

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