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A Low-Cost Pollutant Control Solution: Installing a DSI System at a Midwest Utility. Power Engineering, September 2014

Dry sorbent injection (DSI) systems have been in service for more than 20 years at coal-fired generating stations, providing an effective tool for reducing sulfur dioxide acid gas emission levels. Current and pending environmental regulations have prompted a revival of interest in DSI as a low capital-cost, multi-pollutant control solution.

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