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2010, Volume 4, Issue 2

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Frontiers of Chemical Science and Engineering >> 2010, Volume 4, Issue 2 doi: 10.1007/s11705-009-0236-z

Evaluation of strategies for the subsequent use of CO 2

1.Berlin Institute of Technology, Institute for Energy Process Engineering and Conversion Technologies for Renewable Energies, Berlin 10623, Germany; 2.Siemens AG, Corporate Technology, CT PS 5, 91052 Erlangen, Germany;

Available online: 2010-06-05
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Abstract

If substantial amounts of CO, which according to actual scenarios may in the future be captured from industrial processes and power generation, shall be utilized effectively, scalable energy efficient technologies will be required. Thus, a survey was performed to assess a large variety of applications utilizing CO chemically (e.g., production of synthesis-gas, methanol synthesis), biologically (e.g., CO as fertilizer in green houses, production of algae), or physically (enhancement of fossil fuel recovery, use as refrigerant). For each of the processes, material and energy balances were set up. Starting with pure CO at standard conditions, expenditure for transport and further process specific treatment were included. Based on these calculations, the avoidance of greenhouse gas emissions by applying the discussed technologies was evaluated. Based on the currently available technologies, applications for enhanced fossil fuel recovery turn out to be most attractive regarding the potential of utilizing large quantities of CO (total capacity>1000 Gt CO) and producing significant amounts of marketable products on one hand and having good energy and material balances on the other hand (

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