aquifer heating Articles

  • The London aquifer

    The aquifer beneath London is subject to a considerable number of stresses including rising groundwater levels, abstraction sustainability, artificial recharge, saline intrusion, groundwater flooding, and the growth of ground source energy.  ESI has recently undertaken two key projects for the Environment Agency to aid the management of these pressures in a sustainable and cost effective ...

  • In Situ Dechlorination of TCE during Aquifer Heating

    Laboratory and field efforts were undertaken to examine trichloroethene (TCE) dechlorination as a function of temperature as an aquifer is heated to temperatures approaching boiling. Experiments were conducted using sediment samples and during electrical resistance heating (ERH) treatment at the East Gate Disposal Yard (Fort Lewis, Washington), which contains nonaqueous phase TCE and hydrocarbon ...


    By TRS Group, Inc.

  • Suitability of cotton as an alternative crop in the ogallala aquifer region

    Renewed interest in cotton (Gossypium hirsutum L.) production in the Ogallala Aquifer Region can be linked to development of early maturing varieties, rising energy costs, and declining water levels in the Ogallala Aquifer. The main objectives of this study were to assess the feasibility of growing cotton and estimate the cotton yield potential and the potential reduction in Ogallala Aquifer ...

  • Environmental impacts of aquifer thermal energy storage investigated by field and laboratory experiments

    Aquifer thermal energy storage (ATES) uses groundwater to store energy for heating or cooling purposes in the built environment. This paper presents field and laboratory results aiming to elucidate the effects that ATES operation may have on chemical groundwater quality. Field data from an ATES site in the south of the Netherlands show that ATES results in chemical quality perturbations due to ...


    By IWA Publishing

  • Storing Heat Underground

    Underground thermal energy storage (UTES) is a system that uses inter-seasonal heat storage, storing excess heat from the summer for use in winter heating, and the cooling potential from winter for cooling in summer. A cost-effective, low-energy and low-risk proven renewable technology, UTES reduces carbon emissions by up to 60% and is becoming an increasingly popular choice for residential, ...


    By Boode Waterwell Systems

  • Heating up natural remediation

    Manjit Kahlon of Provectus Group Ltd describes how it investigated the effect of thermally enhanced soil vapour extraction (TESVE) on indigenous microbial communities and the potential for subsequent biological polishing of chlorinated solvents Field trials were done at the Western Storage Area (WSA) of Harwell in Oxfordshire, a former nuclear research site being decommissioned by Research Sites ...


    By Newzeye Ltd

  • Modelling of groundwater flow and heat transport

    Client: Transport for London Location: London Services: Groundwater Modelling Issues: Identifying the potential effects of pumping excess heat to the Chalk aquifer Summary: ESI was commissioned to test the feasibility of one of the possible solutions identified to prevent temperatures on the ...

  • Utilisation of deep geothermal energy for heating purposes

    The Hot-Dry-Rock-(HDR) technology allows a location-independent utilisation of geothermal heat, because aquifers in deep formations, i.e. layers filled with water, are not necessary. The flow paths for the circulating water in a depth of 4 km are created by hydraulic fracturing of existing gaps. Due to the fact that this new technology is quite cost-intensive, high annual load duration of the ...


    By Inderscience Publishers

  • Zoo-technical application of Ground Source Heat Pumps: a pilot case study

    Ground Source Heat Pumps are energy-efficient HVAC systems usually adopted in residential and commercial buildings. However the control of the thermal environment is required not only in spaces occupied by people, but also in intensive breeding farms, in order to maintain healthy conditions and to increase productivity. In the Italian livestock breedings, heating is usually provided by means of ...


    By Tethys srl

  • Impacts of Shallow Geothermal Energy on Groundwater Quality

    The use of shallow geothermal energy (SGE) systems to acclimatize buildings has increased exponentially in the Netherlands and worldwide. In certain areas, SGE systems are constructed in aquifers also used for drinking water supply raising the question of potential groundwater quality impact. Impacts of Shallow Geothermal Energy on Groundwater Quality provides a hydrochemical and geomicrobial ...


    By IWA Publishing

  • Modeling geothermal wells using SVHeat and SVFlux

    Numerical modeling of geothermal processes has received increased attention in recent years. The process of installing geothermal heating systems in residential homes and cottages is one application of numerical models. These systems typically involve drilling between one and three wells on a particular property. Heat exchangers then act as a pump and remove heat from the ground in order to heat ...


    By SoilVision Systems Ltd.

  • Case Study - Evaluating Geothermal Potential - Ravenna, Italy

    University of Bologna researchers carried out an investigation of the thermal properties of the coastal aquifer at Ravenna Italy in order to evaluate its geothermal potential for residential heating. As part of that investigation, they measured the water temperature versus depth at 56 piezometers. EnviroInsite was then utilized to establish the relationship of water temperature with land use, ...


    By EI LLC

  • Opportunities for public water utilities in the market of energy from water

    An inventory is made of the possibilities to recover sustainable energy from the water cycle by identifying different water flows in a municipal environment as a sustainable energy source. It is discussed what role public water utilities should play in the market of energy from water. This is done for Waternet, the public water utility of Amsterdam, by describing experiences on two practical ...


    By IWA Publishing

  • Hydrogeological and environmental impact assessment of a geothermal closed loop ground source energy installation

    ESI in Milan was approached to give support for designing one of the largest closed loop systems for heating and cooling in Europe.  The system was installed at the IKEA store in Corsico, Milan, with the need to provide some 1.4 MWth and covering thermal energy demand in the range from 40 to 100%.  The closed loop system is expected to save the Client over 500 t/y in CO2 ...

  • CO2 mitigation with thermal energy storage

    Thermal Energy Storage (TES) provides us with a flexible heating and/or cooling tool to combat global warming through conserving energy while utilising natural renewable energy resources. This paper aims to show how CO2 emissions can be decreased by utilising different TES concepts in Turkey. The first project is for the heating and cooling of a supermarket using Aquifer Thermal Energy Storage ...


    By Inderscience Publishers

  • 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.

  • In Situ Thermal Treatment for Soil, Sediment, and Sludge

    The main advantage of in situ thermal treatment is that it allows soil to be treated without being excavated and transported, resulting in significant cost savings. However, in situ treatment generally requires longer time periods, and there is less certainty about the uniformity of treatment because of the variability in soil and aquifer characteristics and because the efficacy of the process is ...

  • Case study - Using thermal storage systems to reduce carbon emissions

    Aquifer Thermal Energy Storage (ATES) systems have the potential to provide a significant tool for climate change mitigation. Using aquifers as a source for thermal energy can provide heating and cooling for houses, offices and other buildings E-USE (aq). In comparison to the use of fossil fuels, as well as providing up to 60% CO2 reductions, these systems are also more cost effective. The ...


    By Climate-KIC

  • Feasibility study for ground source energy system at Parklands, Bristol

    WCR Investments Limited (WCR) appointed ESI Ltd to undertake an options appraisal for the installation of a carbon efficient and cost effective heating/cooling system for some new commercial office spaces that are being developed at the Parklands Site, Bristol. The main objectives were to assess the technical and economic feasibility of a Ground Source Energy system, based on an understanding of ...

  • Feasibility study of ground source energy systems

    Client: Shaftesbury Estates Location: Wimborne St Giles, Dorset Services: Feasibility Study Summary: Feasibility Study for renewable energy options demonstrated that ground source energy should be used for cost effective space heating in a historic building As part of the restoration of St Giles House, Shaftesbury ...

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