cogeneration plant Articles

  • What is Cogeneration?

    Cogeneration is the process of generating both electrical and heat energy from a single fuel source.  Also known as Combined Heat & Power (CHP), cogeneration makes use of the commonly discarded thermal energy which is generated from the combustion of fuels such as diesel, natural gas, bi-fuel, and even  ...

  • Thermal exergy optimisation for an irreversible cogeneration power plant

    The optimal design model, based on exergy analysis, of an irreversible cogeneration cycle has been presented using finite-time thermodynamics. The external irreversibility is due to the thermal resistance between the system and the heat reservoirs while the internal irreversibility is due to the non-isentropic compression and expansion process within the system. The internal irreversibility of ...


    By Inderscience Publishers

  • The Beltran biomass cogeneration system

    An effective, economical solution for harvesting safe, renewable domestic energy, mitigating wastes and achieving environmental goals. Background The Beltran Biomass Cogeneration System (BBCS) is an integrated, three-stage process that uses proprietary gasification technology to convert biomass and other organic wastes into versatile, cleanburning synthesis gas. The purified ...


    By Beltran Technologies, Inc.

  • Exergy optimisation of a Brayton cycle-based cogeneration plant

    An endoreversible Brayton cycle-based cogeneration plant has been optimised based on the dimensionless total exergy output rate criterion with a constraint on power-to-heat ratio. An optimal pressure ratio parameter and the maximum dimensionless total exergy output rate have been numerically determined. The optimisation results have been compared with those based on the total useful energy rate ...


    By Inderscience Publishers

  • Renovation of Dalkia’s Cogeneration Plant at Bron - Case Study

    In 2009 Dalkia France informed Clarke Energy that it was going to replace their cogeneration plant at the Bron Parilly site, of which they are the operator. This was the first time Clarke Energy renovated a cogeneration plant on site. Three GE’s Jenbacher JMS616 GS-NL gas fuelled power plants were renovated at site for this ...


    By Clarke Energy

  • Where To Find Money In Biogas

    On the surface, wastewater treatment operations don’t appear to be handling precious material. But these facilities are actually processing a great deal of value every day. Sludge, a byproduct of wastewater treatment, turns out to be an entity worth cherishing. “Depending on treated sludge quality, the final product can be land applied, landfilled, incinerated, or composed,” ...


    By KLa Systems, Inc.

  • Environmentally friendly cogeneration plant saves time and money with Oil Skimmer

    The U.S. Environmental Protection Agency Performance Track Program is a prestigious program that recognizes the accomplishments of manufacturing facilities that lead the way for improving their facilities’ environmental performance (i.e. reduce air emissions and consumption of water). Brooklyn Navy Yard Cogeneration Partners L.P. is an elite member of this program. They have been recognized for ...


    By Oil Skimmers, Inc.

  • Vattenfall`s Cogeneration Power Plant Reuter West - Case Study

    The cogeneration power plant “Reuter West” was erected as a base load power plant in the vicinity of the existing “Reuter” plant. The two hard coal fired 300 MW units D and E were commissioned in 1987 and 1989. Today the cogeneration units supplying electricity and thermal energy are operated by Vattenfall Europe GmbH. The heart of each power plant is the boiler where the ...

  • Cogeneration steam power desalting plants using steam turbines

    This paper presents the reasons and merits of using cogeneration generation power desalting plants (CPDP), the different methods used to rate their performance, and their drawbacks. The ratings of the CPDP are crucial, because the fuel cost allocation between the water and power depends on the rating method used. The ratings are usually based on the first and the second laws of thermodynamics. A ...


    By Inderscience Publishers

  • TAIM WESER, at the forefront in biomass cogeneration solutions

    The state-of-the-art biomass gasification plant, developed by TAIM WESER utilizing proprietary technology, is now up and running successfully, joining the range of technological products offered by the company. This solution offers clients high energy efficiency, streamlined processes and a design that, owing to its compact dimensions, allows the equipment to be installed at the location where ...


    By Taim Weser S.A.

  • Thermodynamic evaluation of gas turbines for cogeneration applications

    In this paper, the first and second laws of thermodynamics have been utilised to evaluate the performance of intercooled reheat regenerative gas turbine cogeneration plant. The effects of overall pressure ratio, cycle temperature ratio, pressure losses, and process steam pressure on energetic and exergetic efficiencies have been investigated. The results indicate that most of the exergy ...


    By Inderscience Publishers

  • Thermodynamic performance simulation of a coal gasification and SOFC based combined cogeneration plant by energy and exergy analyses

    This paper presents a thermodynamic model of a combined cogeneration plant that employs a coal gasifier, a gas cooler and a solid oxide fuel cell (SOFC) upstream of the gas turbine and a downstream HRSG to generate process steam at low pressure. Simulated performance of the plant with respect to variations in some design and operating parameters has been reported. While energy analysis indicates ...


    By Inderscience Publishers

  • Cost allocation in cogeneration power–desalination plant utilising gas/steam combined cycle (GTCC) in Kuwait

    Gas turbine combined cycle (GTCC) plants have high overall thermal efficiency, and are used for large base–load power plants (PPs) to produce electric power (EP) and desalted seawater (DW) at the lowest cost per units of EP and DW. Allocating the cost of each product (EP and DW) is the subject of this paper. Energy and exergy analyses as well as the power loss due to supplying steam to desalting ...


    By Inderscience Publishers

  • In view of sustainable future energetic–exergetic and economic analysis of a natural gas cogeneration plant

    Thermodynamics plays an important role in performing energy and exergy analyses of industrial processes. The first law is widely used in engineering practice, and is the basis of the heat–balance method of analysis that is commonly used in energy systems performance analysis. However, the second law involves the reversibility or irreversibility of processes, and is a very important aspect ...


    By Inderscience Publishers

  • A novel cogeneration cycle based on a recompression supercritical carbon dioxide cycle for waste heat recovery in nuclear power plants

    In this study, a novel cogeneration cycle based on the recompression S–CO2 Brayton cycle is proposed, analysed and optimised thermodynamically to utilise the waste heat from a nuclear power plant. The cycle was constructed theoretically on the basis of a transcritical CO2 power cycle and a LiBr/H ...


    By Inderscience Publishers

  • Sustainable energy solution for cogeneration plant in a modern rice mill using paddy husk

    As various technological and operational constraints exist in electricity distribution, many rural areas in India are deprived of power from the national electrical grid. In this situation sustainable energy solutions are the most viable and accessible sources for power production. Among the available sustainable resources, paddy husk is popular and has become a better and cheaper alternative for ...


    By Inderscience Publishers

  • Bolivar wastewater treatment plant cogeneration facility to be Installed by Clarke Energy - Case Study

    The Bolivar Wastewater Treatment Plant (WWTP) is the largest wastewater treatment plant in the Adelaide region, processing almost 70% of Adelaide’s metropolitan wastewater. The South Australian Government has approved a $25.8 ...


    By Clarke Energy

  • Making Cogeneration Pencil Out: Anaerobic Co-Digestion of Grease Trap Waste

    At the end of 2006 the City of Millbrae, California completed a $5.5 million wastewater treatment plant improvement project at no additional cost to the City’s ratepayers. The project improved cogeneration facilities, provided an automated grease trap waste receiving station, improved digester heating, replaced the aging main electrical switchgear, and enhanced digester mixing. Costs for the ...

  • Sydney Water – 5 x sewage gas cogeneration sites - Case Study

    Clarke Energy have been contracted by Worley Parsons on behalf of Sydney Water to design, supply and commission the GE Jenbacher cogeneration engine package, with exhaust gas heat recovery. The engines use the sewage gas produced by the on-site digesters to produce renewable power. In turn the heat generated by the engines through the combustion will go back to the digesters, increasing gas ...


    By Clarke Energy

  • Cogeneration Helps Reduce Malting Costs: Adelaide Malting Pty Ltd

    Adelaide Malting is using natural-gas cogeneration as an energy-efficient alternative to electricity-powered malt drying technology. As well as replacing electricity as the power source, cogeneration has boosted plant capacity by 20 percent. Background Adelaide Malting, part of the Coopers Brewery Group of Companies, produces barley malt for the local, interstate and ...


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