A graphical approach for pinch-based source-sink matching and sensitivity analysis in carbon capture and storage systems

Joseph Angelo R. Diamante, Raymond R. Tan, Dominic Chwan Yee Foo, Denny K. S. Ng, Kathleen B. Aviso, Santanu Bandyopadhyay

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Carbon capture and storage (CCS) is regarded as an important interim technology for the reduction of carbon dioxide (CO2) emissions from large industrial facilities such as power plants and refineries. CCS involves capture of concentrated CO2 streams from point sources (industrial flue gases), followed by subsequent secure storage in an appropriate natural reservoir. Such reservoirs include various geological formations such as depleted oil or gas wells, inaccessible coal seams, and saline aquifers. In practice, such storage sites will have limitations on both CO2 storage capacity and injection rate, subject to geological characteristics. In this work, a graphical approach is proposed for matching multiple CO2 sources and storage sites (sinks) optimally within a predefined geographical region. The technique is developed on the basis of analogies with existing graphical pinch analysis approaches for the synthesis of industrial resource conservation networks (RCNs). Generalized principles for optimal CO2 source-sink matching based on pinch analysis insights are discussed in this work. In addition, sensitivity of the system to the uncertainties that occur in CCS planning (e.g., variation of actual injectivity and capacity as well as options for increase or decrease of source lifetime) is considered. Realistic case studies are shown to illustrate these various aspects of the methodology.

Original languageEnglish
Pages (from-to)7211-7222
Number of pages12
JournalIndustrial and Engineering Chemistry Research
Volume52
Issue number22
DOIs
Publication statusPublished - 5 Jun 2013

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering

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