What is it about?
Coal-fired power plants also consume more than 50% of the coal used in China. This study reports mercury emissions measurements of several power plants in China. This motivated research on developing and testing a modified fly ash mercury sorbent that would be competitive due to its low cost, in relative abundance, and adequate for convenient injection at a power plant. Full-scale injection and adsorption experiments were performed at a 300 MW plant. It was found that the use of a modified fly ash provide an additional mercury emissions reduction, in addition to the inherent natural mercury capture by the host unit of 30% due to additional fly ash adsorption. Implementation of this additional control option would help achieve combined mercury removal efficiencies in the 75–90% range.
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Why is it important?
This motivated research on developing and testing a modified fly ash mercury sorbent that would be competitive due to its low cost, in relative abundance, and adequate for convenient injection at a power plant.
Read the Original
This page is a summary of: Using modified fly ash for mercury emissions control for coal-fired power plant applications in China, Fuel, October 2016, Elsevier,
DOI: 10.1016/j.fuel.2016.02.043.
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