recovered energy Articles

  • Butanol production from the effluent of hydrogen fermentation

    The purpose of the study was to recover butanol from the effluent of the hydrogen-producing bioreactor containing acetate, butyrate, and carbohydrate. The butanol production by Clostridium beijerinckii NRRL B592 was evaluated under both unsterilized and sterilized conditions for examining the potential of butanol production for the practical application. Sucrose of 10 g/L and butyrate of 2 g/L ...


    By IWA Publishing

  • Recovering energy from biogas emission: the case of Mariana Mantovana landfill (Italy)

    This paper deals with the analytic rating of the economic investment in an energy recovery plant for municipal waste, in relation to the estimate of its capability to exploit biogas production transformation, and sale of electricity production, and the Green Certificates. The approach entails the assessment of potential scenarios of biogas flare coming from its production forecasts, according to ...


    By Inderscience Publishers

  • Case study - Georgia Gulf Chemical & Vinyl, LLC, Aberdeen, MS

    Our company purchased a Sidel SRU 400-80 condensing economizer from Marspec in 2010. Today it operates on an 80,000 pound/hr boiler, but was sized to also handle the exhaust flow of a second boiler of 40,000 lb/hr in the future. The economizer has run without requiring any maintenance, and has worked effectively in the time since it was installed. I was really surprised when I saw how much ...


    By Sidel Systems USA Inc.

  • Study of available exhaust gas heat recovery technologies for HD diesel engine applications

    Diesel engines reject a considerable amount of energy to the ambience through the exhaust gas. Significant reduction of engine brake-specific fuel consumption (bsfc) could be attained by recovering a significant part of exhaust gas heat. Various techniques have been proposed in the past to recover exhaust energy: mechanical, electrical turbocompounding and Rankine Bottoming Cycles. In the present ...


    By Inderscience Publishers

  • Energy recovery from waste by use of fluidized-bed technology

    Revolving type fluidized-bed technology, developed by Ebara Corp., is installed in more than 100 facilities worldwide. The technology is applied for waste, coal and in situations where a conventional fluidized bed is difficult to use. Waste and/or coal can be treated and valuable energy can be recovered from a non-renewable source. This paper describes the application of the revolving fluidized ...


    By Inderscience Publishers

  • Energy recovery from waste by use of fluidised-bed technology

    Revolving type fluidised-bed technology, developed by Ebara Corp., is installed in more than 100 facilities worldwide. The technology is applied for waste, coal and in situations where a conventional fluidized bed is difficult to use. Waste and/or coal can be treated and valuable energy can be recovered from a non-renewable source. This paper describes the application of the revolving fluidised ...


    By Inderscience Publishers

  • RHEINISCHE BIOESTER - Anaerobic wastewater treatment in biodiesel production - Case Study

    Some processes during the production of biodiesel, such as glycerine evaporation, fatty acid and methyl ester drying (vapour condensate), generate wastewater which is highly contaminated with organic substances. The most significant substances in the wastewater are glycerine, methanol and free fatty acids. EnviroChemie supplies biological wastewater treatment plants with biogas recovery for the ...


    By EnviroChemie GmbH

  • Cold exergy recovery during LNG regasification through a closed Brayton cycle

    The liquified natural gas (LNG) regasification process is a source of cold exergy capable of being recovered for the exploitation of energy conversion. This paper presents a novel power plant structure that makes use of the LNG regasification process to increase the energy and exergy efficiency. The power plant consists of a closed Brayton cycle (CBC) fuelled by the flue gas released by the ...


    By Inderscience Publishers

  • EnviroChemie Energy from Wastewater Biomar

    Energy from Wastewater Use of biological wastewater treatment to generate energy, preserve resources and lower operating costs The challenge in terms of sustainability: Reducing energy consumption and optimising operating costs is an important aspect for many companies. Under certain conditions these goals can be combined in an intelligent wastewater ...


    By EnviroChemie GmbH

  • Plasma gasification and vitrification of ash – conversion of ash into glass-like products and syngas

    The Plasma Gasification and Vitrification of Ash (PGVA) system is a patented process that uses energy generated by plasma arcs along with the controlled addition of small amounts of air and steam to convert the organic portion of ash into a synthesis gas (gasification) and the inorganic portion into a glassy rock (vitrification). The vitrification of the ash’s inorganic portion ...


    By PyroGenesis Canada Inc.

  • Wood briquettes packed full of energy

    Konolt manages its energy output using RUF briquetting machinery Timber processors Konold are improving their energy balance with the help of their RUF briquetting machine. Wood waste is being pressed into briquettes to create a uniform combustible material. The heat they produce is then used for process heating and to heat their premises, with the residual heat being used to generate ...

  • Case study - Heat exchanger retrofit

    Overview A manufacturer of insulation films for the electronics industry needed to evaluate the capabilities of four existing oxidizers that treated emissions from its coating lines. The company was concerned that, due to oxidizer deficiencies, it would not meet regulatory requirements. The oxidizers had been manufactured by two different companies. One of them was no longer in business; ...

  • Biogas recovery from a temperate climate covered anaerobic pond

    New Zealand has over 1000 anaerobic waste stabilisation ponds treating wastewater from farms and industry. Traditional anaerobic ponds were not designed to optimise anaerobic digestion to produce biogas and are therefore uncovered, releasing biogas to the atmosphere, which can cause odour problems and contributes to GHG emissions. The biogas production and treatment performance of an anaerobic ...


    By IWA Publishing

  • Case study - Oxidizer energy recovery options

    Overview The mainstream media today is full of allusions to energy awareness and conservation. Just as visible these days are media references to astronomical dollar figures that can boggle the mind. This article does ...

  • The Francis Crick Institute CHP Plant - Case Study

    The Francis Crick institute is being built in central London next to St Pancras International station. By bringing together scientists from all disciplines, it will not only help to improve people's lives but will also keep the UK at the forefront of innovation in medical and bioscience research, attract high-value investment, and strengthen the economy. Francis Crick was one of Britain’s ...


    By Clarke Energy

  • Oxidizer operating cost reduction strategies

    The mainstream media today is full of allusions to energy awareness and conservation. Just as visible these days are media references to astronomical dollar figures that can boggle the mind. This article does not seek to break out of that mold, but rather to conform to it – as Oxidizer Stack Heat Recovery offers a tremendous opportunity for both energy conservation and energy cost ...

  • Thermal Energy Method and Classified Recycling Method of Plastic Recycling

    Recovery of heat energy Most plastics are made of petroleum, mainly hydrocarbons, which can be burned. For example, polystyrene burns more heat than dye oil. Some experts believe that burning plastic waste in incinerator can provide heating or power generation heat because 86% of petroleum dyes are burned directly, only 4% of them are made into plastic products. It's normal to burn the plastic ...

  • Heating Value

    The lower heating value (LHV) or higher heating value (HHV) of a gas is an important consideration when selecting a gas engine or CHP plant. Gas engines efficiency is typically quoted based upon the LHV of the gas. Whenever a ...


    By Clarke Energy

  • Ottawa Hospital, Ottawa Heart Institute, Ottawa, Ontario, Canada

    Boiler Plant Application Objective The turnkey FLU-ACE waste heat recovery system was installed by Thermal Energy on four boiler exhausts from a power plant which produced a peak (winter) steam rate of 70,000 lbs/h. The system was designed to recover 10 mmBTU/h of otherwise wasted energy. The recovered heat is used to heat the the world-famous University of Ottawa Heart Institute ...

  • Maximum possible efficiency for energy recovery from low-grade heat sources

    Gas-to-gas heat exchangers are increasingly being used to recover low-grade heat (or cooling) to reduce energy requirements for space heating, drying and other applications. The efficiency of heat recovery is often limited by practical considerations which could – in principle – be reduced or eliminated by development of new materials and technology. However, this paper posits a fundamental ...


    By Inderscience Publishers

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