Combustion, Fuels and Emissions for Industrial Gas Turbines
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Tutorial 5: It is important that gas turbines used in Oil & Gas applications can burn a wide variety of fuels with the minimum impact on the environment or economics. Many types of gaseous and liquid fuels that can be used in Gas Turbines are discussed, as will be the two basic types of combustion system employed – ‘conventional’ and ‘Dry Low Emissions’ – along with the flexibility of these systems to accept different types of fuel. Some of the common contaminants found in fuels are discussed along with the impact these have on the operability and maintenance of industrial and aero-derivative gas turbines. Topics include: Types of gas turbines, Types of exhaust emissions regulated, Conventional combustion systems, Dry Low (Pre-mixed) emissions combustion systems, Fuel quality requirements, ‘Pipeline’ quality Natural Gas fuels, Premium liquid fuels (diesel, kerosene), Wellhead Gases as a Gas Turbine Fuel, Liquified Natural Gas (LNG), Biogas fuels - Refinery and process off gases, Syngas, Natural Gas Liquids and LPG fuels, Crude Oil, Operational impact of contaminants, Water in fuel, Storing fuels correctly.
Welch, Michael; Igoe, Brian M.; Wilson, David (2016). Combustion, Fuels and Emissions for Industrial Gas Turbines. Turbomachinery Laboratories, Texas A&M Engineering Experiment Station. Available electronically from