waste heat engine Articles

  • Utilizing Waste Heat For Power

    Continuous duty gen-sets provide base-load power generation in diverse applications around the globe. However, high fuel costs and engine maintenance are pain points felt by operators. A low-maintenance path to significant fuel savings and lower emissions is what the U.S. Department of Defense (DOD) had in mind when they approached ElectraTherm to integrate the company’s Green Machine waste ...


    By ElectraTherm

  • A study on the thermodynamic analysis of a cascaded latent heat storage system over the single storage tank system for diesel engine waste heat recovery

    This article presents the comparison of performance of a cascaded Latent Heat Storage (LHS) system over the Single Storage Tank (SST) system for heat recovery from a diesel engine. The energy and exergy saved and efficiencies during the charging process are evaluated and reported using actual system data. The discharge process is analysed with a case study and it is concluded that it is possible ...


    By Inderscience Publishers

  • Maximising biogas in anaerobic digestion by using engine waste heat for thermal hydrolysis pre-treatment of sludge

    EXECUTIVE SUMMARY Dublin's Ringsend WWTP was designed to serve a population of approximately 1.2 million pe with a sludge production of 37,000 dry tonnes per year after upgrading to full secondary treatment. Several technical solutions were put forward as part of a Design, Build, Finance and Operate (DBFO) competition, with the chosen solution being a proposal by Black and Veatch for a ...


    By Cambi Group AS

  • Thermodynamic analysis of a hybrid gas turbine/thermoacoustic heat pump/refrigeration engine

    Possible performance enhancement of small gas turbine power plants through the application of thermoacoustic systems is examined. The thermoacoustic subsystem is powered only by the waste heat of the gas turbine. Two different gas turbine configurations are considered: a Thermoacoustic refrigerator assisted gas turbine (TRG) and a Combined thermoacoustic heat pump and refrigeration assisted gas ...


    By Inderscience Publishers

  • Case study - Heat-to-power application using a Dreyer & Bosse CHP power unit with an internal combustion engine

    Location: Trechwitz, Germany Site Gross Power Output Range 500kWe + 30-35kWe from ElectraTherm ORC Thermal Heat Input Range:  375-450kWt Hot Water Input Range:  90-95°C (118-203°F) Hot Water Flow Range:  39 m3/hour (172 GPM) Ambient Temperature: 0-15°C (32-59°F) ElectraTherm installed a Green Machine in Germany at a biogas power generation ...


    By ElectraTherm

  • Case study - Heat-to-power application using a Dreyer & Bosse CHP power unit with an internal combustion engine

    Location: Trechwitz, Germany Site Gross Power Output Range 500kWe + 30-35kWe from ElectraTherm ORC Thermal Heat Input Range:  375-450kWt Hot Water Input Range:  90-95°C (118-203°F) Hot Water Flow Range:  39 m3/hour (172 GPM) Ambient Temperature: 0-15°C (32-59°F) Date Commissioned: Q2 2012 ElectraTherm installed a Green Machine in Germany at a ...


    By ElectraTherm

  • Case study - Internal combustion engines and process heat-to-power application in Czech Republic

    Breclav-Postorna, Czech Republic Hot Water Temp:  88-92°C Hot Water Flow:  10 l/s KWth Average (Thermal Input): 600-750kWth Cooling:  Cooling Tower Cold Water Temp: 18-24°C Cold Water Flow: 12-14 l/s Green Machine Gross Output: Two machines at 25-33kWe each ElectraTherm installed two Green Machines at FOSFA, a manufacturer of phosphoric acid and ...


    By ElectraTherm

  • Combined Heat and Power (CHP) essentials

    'CHP essentials' introduces the concept of power and heat 'production possibility sets', starting at the cradle of CHP, i.e., the thermal power generation plant. The latter always occasions 'fatal' heat that is either recovered (the 'merit' of CHP) or wasted (condensing). This split paves the way to defining the production possibility sets of CHP plants, shown for steam turbines, internal ...


    By Inderscience Publishers

  • Using biogas for combined heat and power

    An integral part of the majority of anaerobic digestion facilities across the world is the CHP combined heat and power (CHP) engine. For the first time builder of a biogas plant, it is often neglected as the focus is on reducing the capital costs ...


    By Clarke Energy

  • Using biogas for combined heat and power

    An integral part of the majority of anaerobic digestion facilities across the world is the CHP combined heat and power (CHP) engine. For the first time builder of a biogas plant, it is often neglected as the focus is on reducing the capital costs ...


    By Clarke Energy

  • Combined Heat and Power – Questions and Answers

     1. What are the benefits of CHP for business?   combined heat and power (CHP) is a well-proven technology, recognised worldwide as a cleaner alternative to traditional centralised generation. Its long-term future in the global energy markets is secured by CHP's ability to provide a multitude of financial, ...


    By ENER-G

  • Case study - Green Machine generates power from waste heat at biogas facility in the Czech Republic

    Biogas/Heat-to-Power Application on Two MWM Internal Combustion Engines Site: Brno, Czech Rep. Engine Max Power: 980kWe (currently limited to 900 kWe) Green Machine Gross Power Output Avg:  32-39 kWe Thermal Input to the Green Machine: 375-500kWt Hot Water Input Range: 86 - 92°C Hot Water Flow: 35 m3/hour Ambient Temperature: 0-25°C Date Commissioned: Q2 ...


    By ElectraTherm

  • Green machine generates power from waste heat at biogas facility in the Czech Republic

    Biogas/Heat-to-Power Application on Two MWM Internal Combustion Engines Site: Brno, Czech Rep. Engine Max Power: 980kWe (currently limited to 900 kWe) Green Machine Gross Power Output Avg:  32-39 kWe Thermal Input to the Green Machine: 375-500kWt Hot Water Input Range: 86 - 92°C Hot Water Flow: 35 m3/hour Ambient Temperature: 0-25°C ElectraTherm’s ...


    By ElectraTherm

  • Power generation at a stationary engine application

    South Texas, USA Max Gross Power Output: 28kWe Thermal Heat Input: 235 - 450kWt Hot Water Input Range: 180 - 190°F Hot Water Flow: 200 GPM Direct Condenser: Ambient air temperature ranges from 30-100°F avg is 70°F ElectraTherm’s Gulf Coast distributor, Gulf Coast Green Energy (GCGE), is generating fuel-free, emission free power using the ElectraTherm ...


    By ElectraTherm

  • ElectraTherm enters Canada’s natural gas compression market converting waste heat to power at a natural gas compressor station - Case study

    ORC Application on a Waukesha 7042 Site: Alberta, Canada Gross Power Output Avg: 90kWe Hot Water Input Range: 110°C Hot Water Flow: 11 l/s ElectraTherm partnered with ConocoPhillips to install two Green Machines at a natural gas compression station in Cessford, Alberta, Canada. The two Green Machine 4400s, ElectraTherm’s ORC generators producing electrical output up to ...


    By ElectraTherm

  • Heat recovery system at a flooring manufacturer - Case study

    Flooring Manufacturer Reduces Operating Costs with a Customized Heat Recovery System Rising energy costs effect your bottom line. You don’t have to be a CFO to understand that energy costs are high and show little sign of relief these days. To combat the rising cost of natural gas, many companies that operate air pollution control systems are beginning to look at methods that economically ...

  • Saving waste in the boiler house

    Burner technology has improved greatly in recent years. Older Burners had a series of cams and levers that were calibrated to provide specific amounts of air for a particular rate of firing. Being mechanical items, these wore and sometimes required calibration. They, therefore, had to be regularly serviced and calibrated. Generally, new burners use frequency controlled motors and cams to open air ...


    By EBE Engineering Ltd.

  • Tackling waste in the sands of the Sahara

    When gas was discovered in the mid Sahara areas of North Africa in the 1990s Andy Ive was asked by BP to help set up the water and waste infrastructure for what amounted to four small towns 600 km into the desert. No local infrastructure at all existed for the waste and water to be produced by 2-3000 workers. IVE overcame sandstorms, extreme heat, poisonous snakes and patented a novel solution to ...


    By Ive Design

  • Mixed waste composting trends

    It's been about 25 years since vendors started marketing systems to process mixed municipal solid waste via composting in the U.S. Today, there are 13 plants, most fulfilling their niche in the communities they serve - whether managing MSW in high tourism areas, or processing residual organics from materials recovery facilities. Table 1 provides summary data on the 13 facilities. While we did not ...


    By BioCycle Magazine

  • Microturbines, Gas Engines Link Biogas to the Grid

    OPPORTUNITIES to produce electricity from methane are being improved continuously as manufacturers introduce new and upgraded equipment to address market needs and varying characteristics of raw biogas. In the renewable energy from organics recycling arena, the two primary types of electricity generation equipment are microturbines and reciprocating gas engines. This article provides a brief ...


    By BioCycle Magazine

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