Comparison of CO2 from coal captureprocesses and valorisation technologies

Matin Gonzalez, Mercedes and Clemente Jul, María del Carmen ORCID: (2011). Comparison of CO2 from coal captureprocesses and valorisation technologies. In: "2011 International Pittsburgh Coal Conference", 12/09/2011 - 15/09/2011, Pittsburgh, EEUU. pp. 15-30.


Title: Comparison of CO2 from coal captureprocesses and valorisation technologies
Item Type: Presentation at Congress or Conference (Article)
Event Title: 2011 International Pittsburgh Coal Conference
Event Dates: 12/09/2011 - 15/09/2011
Event Location: Pittsburgh, EEUU
Title of Book: Proceedings of 2011 International Pittsburgh Coal Conference
Date: 2011
Faculty: E.T.S.I. Minas (UPM)
Department: Ingeniería Química y Combustibles [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Coal is the most plentiful and evenly distributed fossil fuel worldwide. Based on current production, it is estimated that the reserves will last approximately 130 years. Its use worldwide has been increasing, mainly due to consumption by emerging countries. CO2 emissions generated by combustion and the repercussions of such on climate change support the view that it could no longer be used. CO2 capture may be the solution to continue using it, which would cater for the growing energy demand worldwide. The aim of this study is to compare different processes concerning CO2 capture that may be economically viable, ultimately showing that coal, a fossil energy source widely distributed around the world, can, as a result of using different CO2 capture processes, be used as a clean source of electricity. Hence, in places where geological hurdles may render the costs of CO2 storage considerably higher, since it might have to travel far, coal may be used for other purposes, thus valorizing CO2 within the industrial sector. This research is focused on the technical and economic comparison of the most relevant CO2 capture projects designed in Spain using different existing technologies. The oxyfuel project in Ciuden (Leon, Spain), the IGCC Elcogas, precombustion CO2-capture project (Puertollano, Spain) and the postcombustion project in Carboneras (Almeria, Spain) will be analyzed in order to assess the options available to valorizecaptured CO2. Valorizing captured CO2 may be an adequate solution in areas where, although CO2 capture is still possible, storage is not equally so, thus generating a further benefit. The possible uses of CO2 will be assessed in vegetable growing greenhouses, harnessing CO2 in vegetable life cycles. This will also be used in growing algae for subsequent biodiesel production. Both CO2capture and valorizing will eventually lead to the clean use of coal, which will thus enhance the level of self-supply, aiding the development of electric vehicles, which require large amounts of electricity, as well as improve the level of energy autonomy in countries around the world. Another type of fuel, biodiesel, will also be obtained, without this affecting international food prices.

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Item ID: 13371
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Deposited by: Memoria Investigacion
Deposited on: 24 Oct 2012 10:11
Last Modified: 21 Apr 2016 12:41
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