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Comment Environment, Health, Safety & Security

Large-scale CCS

By Gerald Ondrey |

Last month, the first commercial-scale, post-combustion carbon capture and storage (CCS) plant started up in Saskatchewan, Canada. The SaskPower facility at the Boundary Dam Power Station is expected to capture around 1 million m.t./yr of CO2, which is up to 90% of CO2 emissions from one train of the power plant. It is said to be the world’s first commercial-scale post-combustion CCS at a coal-fired power plant in the world. The facility uses technology of Shell Consolv (Montreal, Canada; www.shell.com/shellcansolv) to capture CO2 and SO2 from the power plant’s fluegas emissions, and marks the company’s largest carbon-capture project to date (for more, see, CO2 Gets Grounded, Chem. Eng., April 2014, pp. 21–23). Most of the captured CO2 will be used in EOR projects. Some CO2 will also be injected into a deep saline formation as part of the Aquistore Project. In both cases, the CO2 will be permanently stored underground so that it does not enter the atmosphere. The captured SO2 will be used as feedstock for an H2SO4 plant.
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