نتایج جستجو برای: co2 capture and storage

تعداد نتایج: 16874199  

Journal: :Environmental science & technology 2013
David S Goldberg Klaus S Lackner Patrick Han Angela L Slagle Tao Wang

Reducing atmospheric CO2 using a combination of air capture and offshore geological storage can address technical and policy concerns with climate mitigation. Because CO2 mixes rapidly in the atmosphere, air capture could operate anywhere and in principle reduce CO2 to preindustrial levels. We investigate the Kerguelen plateau in the Indian Ocean, which offers steady wind resources, vast subsea...

2015
Yanjun Xiao Zhigang Deng Chi-Man Lawrence Wu

CO2 capture and storage is a potential means to alleviate global warming and ocean acidification. Herein, CO2 capture with various functionalized graphanes and the effects of functional groups are investigated by density functional theory (DFT). Our results show that CO2 adsorbs weakly on a bare graphane sheet, and absorbs slightly better when functionalized with P-substituted graphane, and inc...

Journal: :IOP Conference Series: Earth and Environmental Science 2017

2008
Jeffrey M. Bielicki Richard Zeckhauser

The degree to which carbon capture and storage (CCS) is deployed will be partly determined by the returns to scale of the technological system that captures, transports, and stores carbon dioxide (CO2). This technological system spatially connects the organization of CO2 point sources with the organization of geologic CO2 storage reservoirs. These point sources and storage reservoirs are hetero...

2006
Greg H. Rau Kevin G. Knauss Ken Caldeira Julio Friedmann

Several low-cost opportunities exist for scrubbing CO2 from waste gas streams, utilizing spontaneous chemical reactions in the presence of water and inexpensive or waste alkaline compounds. These reactions convert CO2 to bicarbonate or carbonate in dissolved or solid form, thus providing CO2 capture and low-risk CO2 storage underground, in the ocean, or in some cases on land. Useful by-products...

Journal: :international journal of energy and environmental engineering 2011
isabel guedea carlos lupiañez luis m. romeo

carbon capture and storage (ccs) systems have relevant energy consumption associated with the co2 capture process. it causes an energy efficiency reduction that diminishes the economic interests and increases the technical uncertainty of these systems. with the objective of improving the system perform-ance and reducing thermodynamic inefficiencies, the exergy analysis has been traditionally ap...

2012
Hong-Cai Zhou Yangyang Liu Zhiyong U. Wang

Uncontrolled massive release of the primary greenhouse gas carbon dioxide (CO2) into atmosphere from anthropogenic activities poses a big threat and adversely affects our global climate and natural environment. One promising approach to mitigate CO2 emission is carbon capture and storage (CCS), in which ideal adsorbent materials with high storage capacity and excellent adsorption selectivity ov...

2008
Sean T. McCoy

Large reductions in carbon dioxide (CO2) emissions are needed to mitigate the impacts of climate change. One method of achieving such reductions is CO2 capture and storage (CCS). CCS requires the capture of carbon dioxide (CO2) at a large industrial facility, such as a power plant, and its transport to a geological storage site where CO2 is sequestered. If implemented, CCS could allow fossil fu...

2003
Howard Herzog Dan Golomb

Glossary Carbon sequestration: capture and secure storage of carbon that would otherwise be emitted to or remain in the atmosphere. Carbon sources: for this chapter, we are concerned with large stationary sources of CO2, e.g. fossil fueled power plants, cement manufacturing, ammonia production, iron and non-ferrous metal smelters, industrial boilers, refineries, natural gas wells. Carbon captur...

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