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Groundwater Treatment Applications

  • Thermal Remediation Inside & Near Buildings & Infrastructure

    In Situ Thermal Remediation (ISTR) Beneath and Around Existing Buildings and Infrastructure; In Situ Thermal Remediation (ISTR) technologies, including In Situ Thermal Desorption (ISTD), the Electro-Thermal Dynamic Stripping Process (ET-DSP™), which is an advanced form of electrical resistance heating, and Steam Enhanced Extraction (SEE) have been demonstrated effective in treating source zones with limited access and those adjacent to or beneath buildings and other infrastructure.

    By TerraTherm, Inc. based in Gardner, MASSACHUSETTS (USA).

  • In-Situ Soil & Groundwater Remediation

    The use of H2O2 to chemically oxidize the contaminants into mineralized products (CO2 , salts, and readily biodegradable organic fragments) offers a number of advantages over these current treatment methods. Benefits of Soil Decontamination by Chemical Oxidation: The reagent used (H2O2) is inexpensive, readily available, and has as its reaction products water and oxygen; The chemistry of the process (Fenton's Reagent) has been known for over 50 years and its applicability to a wide variety of contaminants is well documented; The process is easily applied and controlled; The treatment occurs rapidly, lasting from a few hours to a few weeks; The process produces no by-product wastestreams, and can be tuned for the degree of contaminant removal desired. This allows it to be used synergistically with other technologies such as biotreatment or soil washing.

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).

  • Data analysis and visualization tools for groundwater modeling

    Groundwater and Solute Transport modeling is a sub discipline of environmental sciences with unique needs. Modeling has long utilized 3D simulations, but the ability to visualize the results has lagged far behind the simulation technology. EVS-PRO and MVS have long offered professional level presentation tools worthy of the current state-of-the-art in modeling, and EnterVol now opens that door to GIS professionals around the world. Visualization of groundwater and solute transport modeling results can be performed from third party modeling systems such as USGS MODFLOW, MT3D, GMS©, Groundwater Vistas and Visual MODFLOW© using C Tech’s tools to convert these modeling outputs into EFF format. In conjunction with Lawrence Livermore National Laboratory and IT Group, C Tech performed the visualization and animation of the output from a Groundwater Vistas MODFLOW and MT3D99 simulation of a large industrial complex in the central valley area of California.  This site exhibits highly channelized flow which is evidenced by the flow paths. Note that flow in the lower aquifer crosses underneath the upper channels at about 30 degrees!

    By C Tech Development Corporation based in Henderson, NEVADA (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).

  • ElectroCoagulation Water Treatment Plant

    EnviroTech Limited, with distributors in Abu Dhabi, Dubai, Sharjah and Ajman in the United Arab Emirates specialise in a comprehensive range of air conditioning and refrigeration energy saving systems, grey water recycling systems and waste water treatment systems. Our Energy Management System target markets include:- Hotels, Offices, Leisure, Shopping Malls, Restaurants and Retail, Government Buildings, Schools and Universities, Factories, Cold Stores, Supermarkets Water Treatment and Energy Saving Systems EnviroTech Limited with Head Quarters in London, England and Masdar City, Abu Dhabi specialise in a comprehensive range of Air Conditioning Refrigeration Energy Saving Systems manufactured in England, UK and Grey Water Recycling Systems, Waste Water Treatment Systems generally Designed and Made in England in the UK. The water treatment and energy saving systems include ElectroCoagulation and ElectroChlorination systems which require low energy usage with no chemical requirement

    By EnviroTech Limited based in Masdar City, UNITED ARAB EMIRATES.

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    Metal Precipitation

    When used as part of a wastewater treatment program, Remotox (calcium polysulfide) can effectively reduce and precipitate a wide range of heavy metals. This product has proven effective even when treating chelated and/or complexed metals. Its unique formulation also removes chromates and dichromates without preliminary reduction of the chromium to the trivalent state.

    By Graus Chemicals, LLC based in Glendale, ARIZONA (USA).

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    Pollutant Decontamination for the Wastewater Treatment Industry

    All described properties of Fe(0) nanoparticles can be even used for decomposition of pollutants contained in the waste water, mainly for treatment of industrial sewage and hutch water. The usage of nanoiron can represent a significant qualitative step in the classical technologies of water treatment including drinking water. The extremely reactive iron nanoparticles thus offer a possibility to solve long-lasting problems with a high content of uranium and arsenic in a variety of localities in the Central Europe. They can be also used for a reduction of the content of heavy metals, nitrates and phosphates in the drinking water. Just these inorganic pollutants, which are hardly or expensively removed by standard technologies, are effectively removed by Fe(0) nanoparticles. 

    By NANO IRON s.r.o. based in Rajhrad, CZECH REPUBLIC.

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    Biological waste water treatment plants solutions for the pulp & paper industry

    The pulp and paper industry generates large volumes of highly heterogeneous waste waters containing compounds from wood or other raw materials, process chemicals and compounds formed during processing.

    By HydroThane STP BV based in KC `s Hertogenbosch, NETHERLANDS.

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    Capabilities of the Adsorbent Tube Injector System (ATIS™)

    The Adsorbent Tube Injector System (ATIS) was developed at Supelco® by R&D Scientists, as a tool to assist in our comprehensive adsorbent research for thermal desorption tubes. The ATIS provides an efficient means of transferring calibration standards in either the gas or liquid phase onto the adsorbent packed tubes. The ATIS employs the technique of flash vaporization to vaporize the sample in a continuous flow of inert gas; the inert gas carries the sample to the tube. The sample pathway of the ATIS is constructed of glass and stainless steel. The calibration standard is injected by a syringe through a replaceable septum in the center of the injection glassware, which is heated. After enough time has elapsed, typically less than five minutes, the tube is removed from the ATIS and analyzed using the appropriate analytical technique for that adsorbent tube.

    By Sigma-Aldrich Co., LLC based in Bellefonte, PENNSYLVANIA (USA).

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    Electric Resistance Heating (ERH) Remediation

    By TRS Group, Inc. based in Longview, WASHINGTON (USA).

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    Applications and Air Pollutants Removed in the Agricultural Industry

    Particulate and gaseous control on Bagasse and Biomass fueled boilers. Sugar scrubbing and recovery. Removal of sulfur dioxide and ethylene oxide from fruit and vegetable ripening and drying rooms.

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

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    NAPL Fingerprinting Analysis

    Sitelab's mobile laboratory was used by a client at a former oil refinery in Kansas and at a large tank farm in Massachusetts. The UVF data was used to delineate and map subsurface plumes of NAPL. Oil samples were collected from monitoring wells and analyzed for their GRO/DRO or VPH/EPH content.

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

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    Groundwater Remediation

    By TRS Group, Inc. based in Longview, WASHINGTON (USA).

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    Anaerobic bioremediation of groundwater

    By EOS Remediation, LLC based in Raleigh, NORTH CAROLINA (USA).

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    Odor Control for Refining

    You Refine The Fuel, We’ll Remove The Odors

    Oil refineries and petrochemical plants may generate large volumes of odor from the processing and refining of different fuels. Sulfides, mercaptans, and hydrocarbon compounds are all closely related to the oil industry. The odors generated from these industrial compounds are of a high nuisance value and generally create concern among local air boards and the public.

    By OMI Industries (OMI) based in Long Grove, ILLINOIS (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.

  • Continuous Monitoring of Groundwater

    The Sorbisense method allows for measuring the average concentration of substances in groundwater over a period of up to 1 month with only one sample.

    The system provides methods for measurements in both unsaturated and saturated zone and provides access to dynamic boundaries of contaminants and more realistic risk assessments. For example, through direct measurements of seepage from contaminants and by continuous measurement of emissions from cropland.

    By SORBISENSE based in Tjele, DENMARK.

  • Activated carbons for air and gas industry

    Carbon Activated Corp. supplies carbon and related services to various vapor phase applications such as odor control in municipal waste-water facilities, landfills and refineries, SVE (soil vapor extraction) projects and many other vapor related applications. We manufacture specialized carbon both impregnated and non-impregnated for applications such as H2S removal and the removal of any time of noxious gases.

    By Carbon Activated Corporation based in Compton, CALIFORNIA (USA).

  • Geotechnical Applications

    Pore pressure variability and control is one of the most significant aspects of Geotechnical Engineering practice related to slope stability, underground openings, foundation of heavy structures, and water retention facilities. Pore pressure effects are most often controlled by natural small-scale hydrogeologic details. Characterization and management of pore pressures requires closely-arrayed repeated measurements to determine the effects of these details for design of appropriate mitigation measures, for performance monitoring and control of the selected mitigation measure. Since the late 1970’s the Westbay System has been used on some of the largest landslide studies in the world.

    By Westbay Instruments based in Burnaby, BRITISH COLUMBIA (CANADA).

  • Enhanced anaerobic biodegradation for the soil and groundwater industry

    Enhanced anaerobic biodegradation is the practice of adding hydrogen (an electron donor) to groundwater and/or soil to increase the number and vitality of indigenous microorganisms performing anaerobic bioremediation (reductive dechlorination) on any anaerobically degradable compound or chlorinated contaminant. The most commonly targeted chlorinated groundwater contaminants are primarily used in industry as degreasing agents and include: Perchloroethylene (PCE), Trichloroethylene (TCE), Dichloroethylene (DCE), Vinyl Chloride (VC).

    Other anaerobically degradable compounds include: carbon tetrachloride, chloroform, methylene chloride, certain pesticides/herbicides, perchlorate, nitrate, nitroaromatic explosives (TNT, RDX), dyes and chlorofluorocarbons (CFC’s).

    By REGENESIS based in San Clemente, CALIFORNIA (USA).

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