Life cycle evaluation of CO2 recovery and mineral sequestration alternatives
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Abstract
CO2 fixation technologies such as mineral seques-tration - that is, the storage of CO2 as carbonate rocks - are beginning to emerge as means to mitigate global climatic change. In this study, the Life Cycle Assessment (LCA) approach is applied to quantify the effective systemwide environmental impacts of CO2 sequestration in mineral rocks. Five alternative processes for mineral sequestration are compared in combination with various CO2 recovery technologies. SimaPro's Eco-indicator '99 ("Hierarchist-Average" version) is used for generating the impact assessment results and sensitivity analysis was carried out to compare the results with other possible weighting options. Finally, the sequestration effectiveness parameter was calculated for the various combinations of CO 2 recovery and mineral sequestration options. © 2006 American Institute of Chemical Engineers.
Keywords
Climate change, CO2 sequestration, Energy consumption, Life cycle impact assessment
Source Title
Environmental Progress
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Series/Report No.
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Date
2006-10
DOI
10.1002/ep.10139
Type
Article