natural gas cogeneration 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  ...

  • 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.

  • 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

  • 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

  • Les Chênes Verts, Eiffage, greenhouse cogeneration plant - Case Study

    Chênes Verts Energie has awarded Eiffage Energie as the main contractor of the renovation of an older generation greenhouse cogenerationplant in Chenes Verts’s  ...


    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 ...


  • 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

  • The effect of precooling inlet air on CHP efficiency in natural gas pressure reduction stations

    Almost all pressure reduction stations in Iran use expansion valves to reduce the natural gas pressure, which leads to wasting large amount of exergy. In this paper, a system is proposed which includes the modification of a conventional pressure reduction station with the addition of a turbo expander and a gas turbine for power recovery and generation. The next step is investigating the effect of ...


    By Inderscience Publishers

  • More Changes Ahead for the Greenhouse Gas Reporting Rule

    More Changes Ahead for the Greenhouse Gas Reporting Rule U.S. EPA continues to work on the Mandatory Greenhouse Gas (GHG) Reporting Rule (MRR) that was codified at 40 CFR Part 98 on October 30, 2009 (74 FR 56260). So far ...


    By All4 Inc.

  • 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

  • Generation using gas-fuelled engines in South Africa – an overview

    Most gas engines are Otto cycle spark ignition internal combustion reciprocating engines using natural gas as the primary fuel. Smaller models utilise stochiometric combustion while the larger engines are lean burn engines with pre-chamber ignition systems. The engines are coupled with packaged generator sets, ...


    By Clarke Energy

  • Wastewater Plant Relies on Thermal Flow Meter for Co-Gen Power Gas Blending Process

    The Rahway Valley Sewerage Authority (RVSA), which operates a large wastewater treatment plant in New Jersey, embarked on a green co-generation waste-to-energy project to power a portion of its operations. The plant performs primary, secondary, tertiary and sludge treatment processes in serving over 250,000 residential customers and 3000 industrial and commercial customers in a 40-plus square ...


    By Modern Pumping Today

  • Life Cycle Assessment of an intensive sewage treatment plant in Barcelona (Spain) with focus on energy aspects

    Life Cycle Assessment was used to evaluate environmental impacts associated to a full-scale wastewater treatment plant (WWTP) in Barcelona Metropolitan Area, with a treatment capacity of 2 million population equivalent, focussing on energy aspects and resources consumption. The wastewater line includes conventional pre-treatment, primary settler, activated sludge with nitrogen removal, and ...


    By IWA Publishing

  • Methane Number

    Did you know that the methane number of a gas provides an indication of the knock tendency of a fuel? It is a product of the different constituent gases within the natural gas, particularly the proportions of methane, ethane, propane and butane. Understanding the knock resistance is important when specificing an engine for a gas-powered ...


    By Clarke Energy

  • Saint-Vincent Hospital, Ottawa, Ontario, Canada

    Boiler/Cogen Heat/Energy Recovery Application Thermal Energy installed designed and implemented an integrated FLU-ACE heat recovery system with cogeneration unit for efficient electrical power generation and an overall reduction in energy consumption. The installation consists of a natural gas fueled engine with a 425 kW generator, waste heat boiler, and FLU-ACE system processing combined flue ...

  • Intelligent use of regenerative energies

    Following increasing awareness of matters of environmental protection, the regenerative energy market is booming. Within this future-oriented market niche, the utilisation of biogas has been evolving as an intelligent method of ensuring ongoing energy supply. Converted into electrical energy and heat, biogas is used to fuel production facilities, and can replace natural gas as fuel for gas-driven ...

  • Queensland Urban Utilities Upgrades Flood Damaged Site - Case Study

    Adelaide, Australia: Clarke Energy has been commissioned by Queensland Urban Utilities (QUU) to supply two sewage treatment plants (STPs) with new sewage gascogeneration units in Brisbane. Clarke Energy assisting Queensland ...


    By Clarke Energy

  • 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

  • High-strength wastes boost biogas production

    Water and wastewater treatment plants (WWTP) are significant consumers of energy. The U.S. Environmental Protection Agency estimates the industry uses the equivalent of 56 billion kilowatt hours (kWh) of electricity, representing three percent of the nation’s energy consumption, and is responsible for creating 45 million tons of greenhouse gas emissions each year. Energy intensive processes, such ...


    By BioCycle Magazine

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