Since the late 1990s, DOE, EPRI, a number of electric power producers, and other industry partners have been funding full-scale evaluations of the commercial feasibility of activated carbon injection for mercury control at coal-fired power plants. Activated carbon injection provides a cost-effective technique to reduce mercury emissions for many coal-burning and air pollution control equipment configurations. An overview of test results from the past six years will be presented in this paper, including the range of expected control levels for different configurations and balance-of-plant issues.
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