EPJ Web of Conferences
Volume 33, 20122nd European Energy Conference
|Number of page(s)||15|
|Section||Sciences for Energy|
|Published online||02 October 2012|
Energy and greenhouse balance of photocatalytic CO2 conversion to methanol
EnBW Energie Baden-Württemberg AG, Research & Innovation Department, 76131, Karlsruhe, Germany
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Within the Leading-Edge Cluster “Forum Organic Electronic”, the research project “Solar2Fuel” funded by the German Ministry of education and research (BMBF) (2009 – 2012), EnBW, BASF, Karlsruhe Institute of Technology and Ruprecht-Karls-University of Heidelberg aim to develop a future solar powered CO2 to methanol conversion technology. CO2 from stationary sources such as power plants shall be catalytically converted together with water to a product such as methanol by use of solar irradiation. For this purpose a catalyst shall be developed. EnBW investigates the required boundary conditions to make such a principle interesting with respect to energy and greenhouse gas balance as well as economic evaluations. The assessment of boundary conditions includes the analysis of the whole chain from power generation, CO2 capture and transport, a virtual photocatalytic reactor, the product purification and use in the traffic sector. Most important technical factors of the process such as CO2 conversion efficiency is presented. CO2 capturing and liquefaction are the most energy intensive process steps, CO2 transport in pipeline is highly energy efficient and depending on energy need of the photoconversion step and the product purification, the overall greenhouse gas balance is comparable with the underground storage of the captured CO2.
© Owned by the authors, published by EDP Sciences, 2012
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