An Investigation of Mercury Emission from Fludized Bed Combustion Systems Fired Different Fuels

摘要

Mercury emissions from coal-fired power plants have been extensively evaluated for nearly ten years to aid in determining possible regulation by EPA. EPA has indicated 51.6 tons of mercury are emitted annually as a result of coal utilization in the utility industry. To obtain a better inventory of the mercury input and emissions from the utility industry, EPA required the Information Collection Request or ICR in the various coals utilized in the utility industry. The objective of this project was to study the mercury emission from coal-fired combustors with burning different fuels. The results of the study indicate that using high-chlorine coal in an FBC system converted more than 99% of elemental mercury to an oxidized state, mainly HgCl_2, which can be easily captured by air pollution control devices (APCDs).