gas turbine exhaust Articles

  • Comparative study of steam injection effects on operation of gas turbine cycles

    In the present work, gas turbine cycles are modified with steam injection between the combustion chamber exit and the gas turbine inlet. Heat recovery steam generators, utilising the exhaust gases, provide these cycles with the injected steam at saturated vapour. The irreversibility of the different composing units of the cycles and the variation of gas properties owing to steam injection as well ...


    By Inderscience Publishers

  • Gas turbine emissions and environmental impact of efficiency boosting techniques

    In this paper, environmental impact of gas turbine power generation equipment is reviewed and emissions sources are discussed. The types of pollutants in simple cycle gas turbine power plants and the associated air quality problems are compiled. Then, airborne pollutants which are generated in the combustion turbines are described and factors affecting emission formation are discussed. Also, the ...


    By Inderscience Publishers

  • 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

  • New Approach allows Subscribers to Reach the Summit of the Mountain of Information on Gas Turbine and Reciprocating Engine Technology

    The available information on combustion, flow control, treatment and environmental compliance for gas turbines and reciprocating engines is doubling every few years. It is now more challenging than climbing Mt. Everest to find the most current and relevant information. Rapid developments include zero liquid discharge (ZLD) technologies, repairable valves, high efficiency air inlet filters, ...


    By The McIlvaine Company

  • Case study: Ahlstrom’s gas turbine air intake filter media helps to save energy, CO₂ and cost

    Finding new methods for saving energy is a global megatrend. Implementing technology that saves energy will have a positive impact on sustainability. Gas turbines are widely used for energy production as natural gas is one of the cleanest burning fuels and nowadays even more interesting source of energy. One of the most important parts in a gas turbine is the blade section, which converts the ...


    By Ahlstrom Corporation

  • Detailed chemical modelling of a flameless combustion turbine for pollution prevention

    Flameless combustion has been acknowledged as one of the most interesting combustion technologies to meet both the targets of high process efficiency and low pollutant emissions. The present investigation is concerned with the application of the flameless combustion mode to an adiabatic combustor, typically used in gas turbine engines. Detailed chemical kinetics calculations, by means of a ...


    By Inderscience Publishers

  • Stack gas VOC monitoring

    POLLUTION S.r.l. manufactures POLARIS FID analyzer, a cutting-edge technology for the measurement of total hydrocarbons in ambient air and stack emission monitoring in accordance with EN 13526 and EN 12619. This analyser is based on Flame Ionization Detection (FID), a reference method technique to measure total hydrocarbons (THC, VOC, TOC). Polaris FID is a very handy instrument because it allows ...


    By Pollution Srl

  • Development of Pre-Turbo Catalyst for Natural Gas Engines

    Distributed power generation is an efficient method for reducing CO2 emissions through the elimination of transmission losses. Co-generation has similar benefits with higher thermal efficiency. Natural gas engines are very popular for these applications. Unfortunately, these engines emit significant levels of methane, ...


    By DCL International 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

  • Why high temperature combustion of landfill gas?

    Due to the accumulation of knowledge and the tightening of environmental law, the landfill technology has increasingly become concerned with the management of trace compounds in landfill gas. With landfill gas, contamination is through sulphur, chlorine, fluorine, halogenated hydrocarbons and heavy metals. Other trace elements such as volatile organic compounds (VOC), impose environmental ...


    By Hofstetter BV

  • Off-shore platform uses fast-cycle psa to recover stranded gas case study

    Venoco Inc. Situation: Restricted space and limited on-board gas processing solutions forced oil producer on off-shore platform to re-inject high-carbon dioxide laden associated gas Solution: Installation of a Xebec PSA to dehydrate and separate C02 & heavy light hydrocarbons in the associated gas to meet California regulatory sales gas ...


    By Xebec Adsorption Inc.

  • Energy analysis of Brayton combined cycles

    Economic and environmental considerations dictate the need for improved fuel utilisation in thermal power stations. To meet this goal, a design project was undertaken to assess the suitability for Combined Cycle application of different Gas Turbine (GT) cycles: Simple, Intercooled, Reheated, Intercooled/Reheated, Intercooled/Reheated/Regenerative cycle. Comparative figures for efficiency and ...


    By Inderscience Publishers

  • NOx re-burn simulation in a double-jet counter-flow flame

    The paper investigates the main features of NOx emission in a laminar double-jet counter-flow diffusion flame for later use as a possible physical model for NOx reduction through turbine in situ reheat. The oxidizer stream consists of exhaust gas resulted from a conventional combustor and the fuel stream is represented by an air?methane mixture. The main interest rests on the distribution of NOx ...


    By Inderscience Publishers

  • Oxidation System for Sanitary Landfills & Recycling Centers

    The Broward County, Florida, Central Sanitary Landfill & Recycling Center operates the country’s largest landfill gas turbine-to-energy plant. Approximately 9 MMSCFD of landfill gas is collected from 300 wells and converted into electricity. During the cleanup after hurricane Andrew, large amounts of construction and demolition debris were brought into the landfill for disposal. Over a very short ...


    By Merichem Company

  • Exergetic and exergo–economic analysis of a turboprop engine: a case study for CT7–9C

    The turboprop engine has played an important role in short haul commuter and military transport aircraft where high speed is not critical. It may provide the aviation sector with one of the most significant means of achieving reduced operating costs through reductions in fuel consumption. This paper deals with exergo–economic analysis of a modern turboprop engine (CT7–9C) with a free power ...


    By Inderscience Publishers

  • Case study - ElectraTherm commissions 10 green machines on district heating system in Europe

    ElectraTherm commissioned 10 Green Machine 4400s in Levice, Slovakia in June 2014. ElectraTherm’s Czech distributor, GB Consulting, facilitated the deployment of Organic Rankine Cycle (ORC) systems on a centralized district heating system in Slovakia as a means of increasing on-site efficiency and generating clean energy. ElectraTherm’s Green Machine generates fuel-free, ...


    By ElectraTherm

  • Exergy accounting

    The exergy concept is introduced by utilizing a general framework on which are based the model equations. An exergy analysis is performed on a case study: a control volume for a power module is created by comprising gas turbine, reduction gearbox, AC generator, exhaustion ducts and heat regenerator. The implementation of the equations is carried out by collecting test data of the equipment data ...

  • Los Angeles County Sanitation Districts: Siloxane Removal

    Los Angeles County Sanitation Districts have long been involved with recovering landfill and digester gas for energy to power turbines and internal combustion engines. Their experience led them to identify performance issues associated with these gases. One particular challenge is siloxanes. Cyclic organic silicon monomers (siloxanes) used in the manufacture of personal hygiene, health care and ...


    By Pioneer Air Systems

  • A new approach for fixing leakages in Qatalum, QAT case study

    Qatalum is the largest aluminium smelter plant ever launched in one phase and is a joint venture between Qatar Petroleum and Norsk Hydro. Its annual capacity is 585,000 metric tons of primary aluminium. Qatalum also ensures a stable supply of electricity by a 1350 MW natural gas power plant but this requires an effectively function of the cooling water system. Project description ...


    By AMEX GmbH

  • The Portable FID for Stack Emissions: lightweight, compact, ergonomic, safe

    POLLUTION S.r.l. manufactures POLARIS FID analyser, a cutting-edge technology for the measurement of total hydrocarbons in ambient air and stack emission monitoring in accordance with EN 13526 and EN 12619. This analyser is based on Flame Ionization Detection (FID), a reference method technique to measure total hydrocarbons (THC, VOC, TOC). Polaris FID is a very handy instrument because it allows ...


    By Pollution Srl

Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you