Low-Cost CO2 Mitigation in Electricity, Oil, and Cement Production

This entry was posted by Monday, 1 March, 2010
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Abstract

Several low-cost opportunities exist for scrubbing CO2 from waste gas streams, utilizing spontaneous chemical reactions in the presence of water and inexpensive or waste alkaline compounds. These reactions convert CO2 to bicarbonate or carbonate in dissolved or solid form,
thus providing CO2 capture and low-risk CO2 storage underground, in the ocean, or in some cases on land. Useful by-products and co-benefits can also be generated by these processes. In certain
settings this approach will be significantly less energy intensive, less costly, and less risky than “conventional” molecular CO2 capture and geologic storage.

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One Response to “Low-Cost CO2 Mitigation in Electricity, Oil, and Cement Production”

  1. Emily Carden

    However, further research is required to better understand the costs, benefits, and impacts of this
    approach. For example, unless the waste gas steam being treated is relatively free of contaminants
    (e.g., from natural gas combustion), negative downstream environmental impacts by these dissolved
    constituents could ensue.


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