Comparative Environmental Life Cycle Assessment of Oxyfuel and Post-combustion Capture with MEA and AMP/PZ - Case Studies from the EDDiCCUT Project

Gabriel D. Oreggioni, Bhawna Singh, Christine Hung, Mijndert W. van der Spek, Ragnhild Skagestad, Nils Henrik Eldrup, Andrea Ramírez, Anders Hammer Strømman

Research output: Contribution to journalConference article

2 Citations (Scopus)
15 Downloads (Pure)

Abstract

This work presents the results of a comparative life cycle assessment study for three CCS technologies applied to a coal-fired power plant: post-combustion capture with MEA, post combustion capture with AMP/PZ and cryogenic oxy-fuel. This study has been performed in the context of the EDDiCCUT project, which aims to develop an environmental due diligence framework for assessing novel CCUS technologies. The research shows that there are no significant differences in climate change potential (CCP) for the technologies under study. In the three cases the reduction is about 70% (70% for the plant with MEA, 71% for the plant with AMP-PZ, and 73% for the plant with oxy-fuel technology). With regard to other impacts (e.g., acidification, toxicity, resource depletion) the results show an increase in the impacts as consequence of CCS, mostly driven by the increase amount of feedstock per kWh. Contrary to CCS, there are clear differences among the technologies with results ranging between 20 and 30%. Toxicity impacts related to the operation of the solvent-based carbon capture unit were also considered; however, it was observed that their contribution was only around 2% of the total impact for human toxicity potential. Rather, the largest contributor to human toxicity impacts in the life cycle of coal power plants with and without CCS is coal mining waste disposal.

Original languageEnglish
Pages (from-to)6604-6611
Number of pages8
JournalEnergy Procedia
Volume114
DOIs
Publication statusPublished - 18 Aug 2017
Event13th International Conference on Greenhouse Gas Control Technologies 2016 - SwissTech Convention Center, Lausanne, Switzerland
Duration: 14 Nov 201618 Nov 2016
http://www.ghgt.info/ghgt-13 (Conference website)

Keywords

  • AMP/PZ
  • environmental due dilligence
  • Life cycle assessment
  • MEA
  • oxy-fuel

ASJC Scopus subject areas

  • Energy(all)

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