Breakthroughs,
Inventions, Discoveries & Pioneering Efforts in the Field of CO2
Sequestration
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at esource dot in) know if you could think of any improvements / refinements
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CO2 Sequestration
CO2 Sequestration - Inventions, Research, Innovations, Breakthroughs
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- Novel Approaches to Carbon Management: Separation, Capture, Sequestration, and Conversion to Useful Products - Workshop Report (2003) - National Academies Press. New energy technologies and CO2 sequestration - Report by Messrs. Christian BATAILLE and Claude BIRRAUX, Members of Parliament, from: Parliamentary Office for Science and Technology Assessment, France (PDF)
- Capture and Sequestration of CO2 from Stationary Combustion - Systems by Photosynthesis of Microalgae. A research report from NETL, Department of Energy, Government of USA (PDF)
- Carbon Sequestration Technology Roadmap and Program Plan, U.S. DOE Office of Fossil Energy - National Energy Technology Laboratory, Mar 2003 report (PDF)
- Carbon Dioxide Sequestration by Ex-Situ Mineral Carbonation - August/September 1999 report presented at the Proceedings of the Second Annual Dixy Lee Ray Memorial Symposium, American Society of Mechanical Engineers, Washington D. C. (PDF)
- A Novel Strategy for CO2 Sequestration and Clean Air Protection – A research report from Department of Energy, Gov of USA (PDF)
- Sir Richard Branson offers US$25 million prize to fight climate change - The Associated Press, February, 2007 - Richard Branson dangled a US$25 million prize before the world's top scientists Friday to spur research into devising a way to suck greenhouse gases out of the air. CO2 and other greenhouse gases sequestration technologies are of course already available, but it is all about cost now. Read the complete IHT report from here
- Study Finds Plenty Of Carbon Dioxide Storage Capacity Underground In Kentucky - Science Daily, Oct 2006 — One research project at the Kentucky Geological Survey (KGS) at the University of Kentucky, has investigated the option for geologic sequestration of captured CO2 in Devonian black shales, organic-rich rocks found beneath about two thirds of Kentucky. Widespread deposits of shale are generally thought to be the seal or cap for deeper storage reservoirs that would prevent sequestered CO2 from leaking to the surface. In the three year project funded by National Energy Technology Laboratory of the U.S. Department of Energy, the research team determined that the deeper and thicker parts of the Devonian shales in Kentucky could provide a potentially large geologic storage reservoir for captured CO2. Read more from this Science Daily report
- Economical CO2, SOx and NOx Capture from Fossil Fuel Utilization with Combined Renewable Hydrogen Production and Large Scale Carbon Sequestration - A research paper by Danny Day of Eprida, Inc., Robert J. Evans of NREL James Lee OF ORNL & Don Reicosky of USDA-Agricultural Research Service. Abstract - The objective of this project was to investigate and demonstrate the methods of production at a continuous, bench-scale level and produce sufficient material for an initial evaluation of a potentially profitable method to produce bio-energy and sequester carbon. The novel process uses agricultural, forestry and waste biomass by producing hydrogen using pyrolysis and reforming technologies conducted in a 50 kg/hr pilot demonstration. The test runs produced a novel, nitrogen-enriched, slow-release, carbon-sequestering fertilizer. Seven kilograms of the material were produced for further plant growth response testing. A pyrolysis temperature profile was discovered that results in a carbon char with an affinity to capture CO2 through gas phase reaction with mixed nitrogen-carrying nutrient compounds within the pore structures of the carbon char. A bench scale project demonstrated a continuous process fluidized bed agglomerating process. The total amount of CO2 sequestration was managed by controlling particle discharge rates based on density. The patent pending process is particularly applicable to fossil fuel power plants as it also removes SOx and NOx, does not require energy intensive carbon dioxide separation and operates at ambient temperature and pressure. The method of sequestration uses existing farm fertilizer distribution infrastructure to deliver a carbon that is highly resistant to microbiological decomposition. The physical structure of carbon material provides framework for building a NPK fertilizer inside the pore structure and create a physical slow release mechanism of these nutrients. The complete process produces three times as much hydrogen as it consumes making it a net energy producer for the affiliated power plant. Read the full report here (PDF)
- Method and apparatus for efficient injection of CO2 in oceans - US Patent Issued on July 29, 2003 - Inventor(s): Olivia R. West, Constantinos Tsouris & Liyuan Liang. Abstract - A liquid CO2 Injection system produces a negatively buoyant consolidated stream of liquid CO2, CO2 hydrate, and water that sinks upon release at Ocean depths in the range of 700-1500 m. In this approach, seawater at a predetermined ocean depth is mixed with the liquid CO2 stream before release into the ocean. Because mixing is conducted at depths where pressures and temperatures are suitable for CO2 hydrate formation, the consolidated stream issuing from the injector is negatively buoyant, and comprises mixed CO2 -hydrate/CO2 -liquid/water phases. The "sinking" characteristic of the produced stream will prolong the metastability of CO2 ocean sequestration by reducing the CO2 dissolution rate into water. Furthermore, the deeper the CO2 hydrate stream sinks after injection, the more stable it becomes internally, the deeper it is dissolved, and the more dispersed is the resulting CO2 plume. These factors increase efficiency, increase the residence time of CO2 in the ocean, and decrease the cost of CO2 sequestration while reducing deleterious impacts of free CO2 gas in ocean water. See the complete patent details from Patent Storm
- Is Ocean Fertilization A Good Carbon Sequestration Option? - A White Paper Prepared for the Laboratory for Energy and the Environment - from MIT, Sep 2001 (PDF) - A critical review of ocean fertilization methods proposed for addressing the problem of anthropogenic CO2 emissions in the atmosphere.
- Biological Fixation/Sequestration of Carbon Dioxide - Toru Sato - A research exploration for CO2 sequestration using microalgae (2002 report, PDF format)
- Three New projects to explore 'breakthrough' ideas for capturing, storing carbon gases - The three projects were selected in a broad competition run by the Energy Department's National Energy Technology Laboratory (in 2003?). They are: (1) Project from University of Texas at Austin, - developing an alternative solvent that captures more carbon dioxide while using 25 to 50 percent less energy than conventional, state-of-the-art MEA (monoethanol amine) scrubbing, another CO2-removal method; (2) Project from University of Massachusetts - proposes to study in a laboratory a deep-ocean CO2-sequestration method that blends liquid CO2, water and finely ground limestone into an emulsion that could be pumped into the ocean for long-term storage. Because this emulsion would weigh more than seawater, it would sink to the deep ocean; (3) Project from University of Kentucky Research Foundation - proposes to displace natural gas from black Devonian shales and use these organic-rich rocks to store CO2. Studies have shown that CO2 is preferentially adsorbed by gaseous coals in deep, unminable coal seams in very much the same manner that gas is naturally stored in these coals. Read more from Eureka Alert
- Sequestration of Anthropogenic CO2 in Brine Aquifers I - See proceedings of an AGU (American Geophysical Union) meeting in 2005. Quite a few interesting CO2 sequestration technologies in brine aquifers are discussed. Some of the topics are: The Development of a Performance Assessment Framework for Geologic CO2 Sequestration; Evaluation of CO2 Sequestration Opportunities in the Cambro-Ordovician Carbonates of the Ohio River Valley Region; Increase of mechano-chemical deformation of reservoir rocks subject to fluids with elevated partial pressure of CO2; Seismic monitoring of CO2 plumes in deep saline aquifers: results from laboratory experiments; CO2 monitoring at the pilot-scale CO2 injection site in Nagaoka, Japan; The Frio Brine Pilot Experiment Managing CO2 Sequestration in a Brine Formation; Borehole Seismic Monitoring of Injected CO2 at the Frio Site; Gas-Water-Rock Interactions in Saline Aquifers Following CO2 Injection: Results From Frio Formation, Texas, USA. See the full report on proceedings here
- CO2 Breakthrough Program Phase I: Geological
Sequestration of CO2 by Hydrous Carbonate Formation with Reclaimed Slag
- (funded by AISI/DOE - March 2005 through February 2007) - Summary of
Research: This research project is sponsored by the US Department of
Energy and the American Iron and Steel Institute and several member
steel companies. The goal of the project is to evaluate the
ability of steelmaking slag to capture the CO2 in the off-gas from steel
manufacturing producing a slag product with better properties. The
additional revenue generated from better slag products will help offset
the costs for the new process. If successful, it is anticipated that
most plants can capture up to 85% of the CO2 in steelmaking off-gas with
the slag typically generated. There is also the potential for
additional energy recovery. See more from here
Pictures
Monitoring of CO2 Sequestration
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