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What Have We Learned Lately about Prospects for Carbon Dioxide Sequestration in Deep Geological Form

Lyman Handy Colloquium SeriesPresentsSally BensonStanford UniversityAbstract:In little more than a decade, carbon dioxide (CO2) capture from point source emissions and sequestration in deep geological formations has emerged as one of the most important options for reducing CO2 emissions. Two major challenges stand in the way of realizing this potential: the high cost of capturing CO2 and gaining confidence in the capacity, safety, and permanence of sequestration in deep geological formations. Building on examples from laboratory and field based studies of multiphase flow of CO2 in porous rocks; this talk addresses the current prospects for carbon dioxide sequestration. Which formations can provide safe and secure sequestration? At what scale will this be practical and is this scale sufficient to significantly reduce emissions? What monitoring methods can be used to provide assurance that CO2 remains trapped underground? What can be done if a leak develops? What are the potential impacts to groundwater resources and how can these be avoided? The status of each these questions will be discussed, along with emerging research questions.

Location: James H. Zumberge Hall Of Science (ZHS) - 159

Audiences: Everyone Is Invited

Contact: Petra Pearce Sapir