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CO2 Sequestration: Addressing Global Warming and Costs

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Explore the technical aspects of CO2 capture and storage, including research efforts, leakage risks, and conclusions on combating global warming and its financial implications.

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CO2 Sequestration: Addressing Global Warming and Costs

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  1. CO2 Sequestration by Dave Kahn Submitted to Dr. Thomas Edgar - ChE 379

  2. Outline • Global Warming • Costs • Technical Description • Leakage • Research Efforts • Conclusions • References • Questions

  3. Global Warming source: wikipedia.com

  4. Global Warming source: http://www.environment.sa.gov.au/sustainability

  5. Global Warming source: wikipedia.com

  6. Costs • carbon dioxide capture would add 1.5 cents/kWh • carbon dioxide is already being separated via power station flue gases for applications in the food industry

  7. Technical Description http://www.co2captureproject.org/technologies/tech_img2.gif

  8. Leakage The Frio Brine Project source: www.greencarcongress.com

  9. Leakage • To date, no leakage has been detected • However, the study has shown that after the carbon dioxide is sequestered, the chemical properties of the water and the dissolved inorganic carbon change • Changes include: • sharp drops in pH • pronounced increases in alkalinity • significant shifts in the isotopic compositions • Also, it has shown that the CO2 can degrade carbonate substances in the rock

  10. Research Efforts

  11. Conclusions • The Earth is warming! • CO2 capture for sequestration would add ~15% to untaxed energy bill • Sequestration can increase oil recovery efficiency by 10-15% • It has not yet been shown to leak • It has however shown potential for leakage channeling • Recommendations – Much more research

  12. References “CO2 Capture and Storage.” CO2 Emissions Database. IEA Greenhouse Gas R&D Programme. 21 Nov. 2006 <http://www.co2captureandstorage.info/>. “Global Warming.” Wikipedia.com. 20 Nov. 2006. 21 Nov. 2006 <http://en.wikipedia.org/‌wiki/‌Global_warming>. “Potential Leakage and Toxicity Problems with CO2 Sequestration.” Green Car Congress. 31 July 2006. Green Car Congress. 21 Nov. 2006 <http://www.greencarcongress.com/‌2006/‌07/‌potential_ leaka.html>. Quashning, Volker. Homepage of Dr. Volker Quashning. 21 Dec. 2001. Plataforma Solar de Almería . 21 Nov. 2006 <http://www.volker-quaschning.de/‌index.html>. “sequestration.” Dictionary.com. 2006. 10 Nov. 2006 <http://dictionary.reference.com/‌browse/‌sequestration>.

  13. ? Questions ?

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