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GEOLOGICAL STORAGE OF CARBON DIOXIDE

International Workshop on Power Generation with Carbon Capture and storage in India 22 - 23 January 2008, Hotel Ashok, New Delhi. SALINE AQUIFERS FOR. GEOLOGICAL STORAGE OF CARBON DIOXIDE. A.K. Bhandari Advisor TPPC, Ministry of Mines. FUTURE ENERGY REQUIREMENTS.

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GEOLOGICAL STORAGE OF CARBON DIOXIDE

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  1. International Workshop on Power Generation with Carbon Capture and storage in India 22 - 23 January 2008, Hotel Ashok, New Delhi SALINE AQUIFERS FOR GEOLOGICAL STORAGE OF CARBON DIOXIDE A.K. Bhandari Advisor TPPC, Ministry of Mines

  2. FUTURE ENERGY REQUIREMENTS • India has set a goal of sustained economic growth of 8-9%. • To achieve this, our energy needs will grow rapidly in future. • Meeting the demands for electricity will require an installed capacity of • 2,00,000 MW by the year 2012 • Coal would inevitably be the mainstay for energy generation in India.

  3. Carbon dioxide Emissions and Future Projections After Mitra A.P. et al (2002)

  4. TECHNOLOGY DRIVEN OPTIONS • Energy conservation and efficiency • Substitute lower carbon or carbon free energy sources (renewable, nuclear, hydropower and low carbon fuels) • Geological storage of carbon dioxide

  5. GEOLOGICAL STORAGE OPTIONS .Depleted oil and gas reservoirs .Deep unmineable Coal seams .Oceans .Deep unused saline water-saturated formation

  6. STORAGE CAPACITY FOR GEOLOGICAL STORAGE OPTIONS

  7. WHY SALINE AQUIFERS ? • The fact that carbon dioxide has been naturally stored for geological • time scales enhances the creditability of the storage options. • Saline formations occur in the proximity of the sources, therefore • reducing the cost of infrastructure. • Can help in achieving near zero emissions for the existing power • plants and industrial units. • Scenarios for negative impacts and unintended damages are limited.

  8. SEDIMENTARY BASIN MAP OF INDIA

  9. After CGWB

  10. RAJASTHAN BASIN After CGWB

  11. SALINE AREAS OF UTTAR PRADESH

  12. THICKNESS OF VINDHYAN BASIN ON GRAVITY AND MAGNETIC PROFILE

  13. Sanjay Nagar Dheerpur Area Pirthala Tumsara Area Chatta Chattikara Area STUDY AREA - DST PROJECT Proterozoic Fold Belt Alluvial fill (Ganga Basin)

  14. 2 D SUBSURFACE LITHOLOGICAL CROSS SECTIONS

  15. Overburden Silty Clay Sediment fill of Ganga basin 3 D MODEL OF CHATTA - CHATTIKARA AREA Upper Bhander sandstone (Vindhyans) with Shale partings Fractured Rock (with brackish water within Bhander formation) Clay

  16. AREAS OF CONCERN Safe and irreversible storage of carbon dioxide is of critical concern. Significant baseline information is now available from the projects underway in many parts of the world. However, extensive further research is needed both regionally and globally to study the true potential of saline aquifers. Considerable additional geological and geophysical investigations need to be undertaken to effectively map the saline reservoirs, identify the characteristics of the cap rock and integrity of the reservoir. 4. Legal issues and public acceptance.

  17. FINALLY There appear to be no insurmountable technical barriers for geological storage of CO2 as an effective mitigation option

  18. THANK YOU

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