(Dudynski et al., 2012) resulting in very low levels of NOx and CO in exhaust gases (Kwiatkowski et al. 2013a). The flue gases pass through steam boiler and are directed to the desulfurization and filter system. Such design is realization of the concept of local
For a typical coal-fired power station, flue-gas desulfurization (FGD) may remove 90 percent or more of the SO 2 in the flue gases. History. Methods of removing sulfur dioxide from boiler and furnace exhaust gases have been studied for over 150 years. Early
bed boilers, the dry additive limestone method is mostly applied. This method is based on dosing of air and finely ground limestone into the boiler furnace or on adding of ground limestone into coal. If we use the stechiometric rate CaCO 3: SO 2 at values 2-2,5 : 1, then typical achievable desulfurization is in the
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Flue gas is the gas exiting to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases from a fireplace, oven, furnace, boiler or steam generator.Quite often, the flue gas refers to the combustion exhaust gas produced at power plants.Its composition depends on what is being burned, but it will usually consist of mostly nitrogen (typically more than two-thirds) derived
Fuel desulfurization and FGD are primarily used for reducing SOx emissions for large utility boilers. Generally the technology cannot be cost justified on industrial boilers. For users of industrial boilers, utilizing low sulfur fuels is the most cost effective method of SOx reduction.