• SaskPower representative discusses operating experience at CCS-equipped  Boundary Dam plant

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      Patrick Lavery

      Combustion Industry News Editor

The Estevan Mercury has carried an interview article looking at the changing challenges faced by Boundary Dam Unit 4, the CCS-equipped coal-fired unit owned and operated by SaskPower in Saskatchewan, Canada. According to the acting vice president of power generation, Howard Matthews, in the first year of operation of Unit 4, the challenges were mostly in regards to the chemistry of the amine absorbent solutions used to capture carbon dioxide from the air. In the last year, however, challenges have been more mechanical – the piping of the CO2 compressor required unforeseen levels of maintenance, which led to a longer than anticipated period of shutdown. After some unrelated boiler maintenance in November of last year, the facility as a whole has been operating well, capturing 2,500 to 2,700 tonnes per day, and some planned maintenance aside, it is expected to run steadily this year. While the news is positive, Mr Matthews intimated it is too early to say what SaskPower’s future plans are regarding carbon capture and storage.