Monitoring Real Time, In-Line Variations of Noble Gas Concentrations During CO2 Capture Operations by Means of a Portable Mass Spectrometer

8 Pages Posted: 4 Apr 2019 Last revised: 9 May 2019

See all articles by Anja Sundal

Anja Sundal

University of Oslo - Department of Geosciences

Ulrich Weber

University of Oslo - Department of Geosciences

Matthias Brennwald

affiliation not provided to SSRN

Philip Ringrose

Equinor ASA

Nina Flø

Independent; Technology Centre Mongstad

Kim Johnsen

Technology Centre Mongstad; Equinor

Leila Faramarzi

Technology Centre Mongstad; Equinor ASA

Per Aagaard

affiliation not provided to SSRN

Rolf Kipfer

affiliation not provided to SSRN

Abstract

In the ICO2P-project the overall aim is to develop an innovative and cost-effective monitoring scheme for CO2 capture and storage operations, implementing new methods for in situ noble gas measurements. The first step is to establish a basis for fluid source identification by recording temporal variance of noble gas composition in CO2 product. Studies of noble gases related to CCS typically include few, single point samples. In ICO2P, a portable mass spectrometer (i.e. miniRUEDI) is utilized to directly measure real time variability of the noble gas content in CO2 gas streams at operating CCS facilities. The first study was performed at the Technology Centre Mongstad (TCM) in Norway, a large-scale test facility for post-combustion CO2 capture operations. During an open scientific test campaign for amine-based capture (TSA-MEA), noble gases (He, Ar, Kr) as well as CO2, N2, O2 concentrations in the CO2 product stream were recorded every 10 to 15 minutes during a 5-day period. He concentrations (<0.001ppm)were depleted post-capture and too low for temporal variation measurements in the CO2 product line. Ar concentrations (0.15 – 0.65 ppm) were significantly higher and temporal variation was successfully recorded in the CO2 product line. Ar was found to be sensitive to capture operations, e.g. CO2 recycling ratio. This new approach will provide knowledge of the uniqueness and variability of inherent noble gas fingerprints and depletion/absorption during CCS operations and provide grounds for comparison between fluid origins needed in leakage detection schemes at CO2 storage sites.

Keywords: Monitoring technologies and techniques, GHGT-14; CO2 storage; CO2 capture; CCS; noble gases; monitoring;

Suggested Citation

Sundal, Anja and Weber, Ulrich and Brennwald, Matthias and Ringrose, Philip and Flø, Nina and Johnsen, Kim and Faramarzi, Leila and Aagaard, Per and Kipfer, Rolf, Monitoring Real Time, In-Line Variations of Noble Gas Concentrations During CO2 Capture Operations by Means of a Portable Mass Spectrometer. 14th Greenhouse Gas Control Technologies Conference Melbourne 21-26 October 2018 (GHGT-14) . Available at SSRN: https://ssrn.com/abstract=3366166

Anja Sundal (Contact Author)

University of Oslo - Department of Geosciences ( email )

P.O. Box 1047
Oslo, 0316
Norway

Ulrich Weber

University of Oslo - Department of Geosciences ( email )

P.O. Box 1047
Oslo, 0316
Norway

Matthias Brennwald

affiliation not provided to SSRN

No Address Available

Philip Ringrose

Equinor ASA

Stavanger
Norway

Nina Flø

Independent ( email )

No Address Available

Technology Centre Mongstad ( email )

Mongstad, 5954
Norway

Kim Johnsen

Technology Centre Mongstad ( email )

Mongstad, 5954
Norway

Equinor ( email )

Hammerfest
Norway

Leila Faramarzi

Technology Centre Mongstad ( email )

Mongstad
Norway

Equinor ASA ( email )

Stavanger
Norway

Per Aagaard

affiliation not provided to SSRN

No Address Available

Rolf Kipfer

affiliation not provided to SSRN

No Address Available

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