Xem 1-6 trên 6 kết quả Co2 capture
  • Carbon dioxide is produced in several anthropogenic activities at a rate of ca. 35 Gt/y. The main sources are: (1) the combustion of fossil carbon (production of electric energy, transport, heating, industry), (2) the utilization of biomass (combustion to obtain energy, fermentation), and (3) the decomposition of natural carbonates (mainly in the steel and cement industry).

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  • Since its inception in 1997, DOE’s Carbon Sequestration Program – managed within FE and implemented by NETL – has been developing both core and supporting technologies through which CCS can become an effective and economically viable option for reducing CO2 emissions from coal-based power plants (NETL, 2007a).

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  • The DOE’s Carbon Sequestration Program also supports global initiatives, such as the Carbon Sequestration Leadership Forum (CSLF), an international climate change initiative that focuses on the development of technologies to cost-effectively capture and sequester CO2, and the International Energy Agency (IEA). The Carbon Sequestration Program is also providing technical and financial support to international projects through the Core R&D MVA Program. Projects include the Weyburn Project (see Section 3.

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  • More recently,  the definition of  this sector has needed  to reflect  the drive  to reduce CO2 equivalent  emissions from the wider economy.

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  • Greenhouse gases such as CO2 and methane are believed to contribute to global warming. Dust is a common problem throughout all mining activities. Dust generated by vehicle traffic can be reduced through a variety of means. Where water resources are not limited, regular watering with mobile water trucks or fixed sprinkler systems is effec- tive. Otherwise the application of surface binding agents, the selection of suitable construction materials and the sealing of heavily used access ways may be more suitable.

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  • Photosynthesis is the primary source of energy for all life forms (except chemolithotrophic prokaryotes). Much of the energy of photosynthesis is used to drive the synthesis of organic molecules from atmospheric CO2. How is solar energy captured and transformed into metabolically useful chemical energy? How is the chemical energy produced by photosynthesis used to create organic molecules from carbon dioxide?

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