3. CO₂ capture with monoethanolamine: Solvent management and environmental impacts during long term operation at the Technology Centre Mongstad (TCM) (2019)

Anne Kolstad Morken^a,b,⁎, Steinar Pedersena,^b, Stein Olav Nessea,^b, Nina Enaasen Fløa,^b, Kim Johnsena,^b, Jane Karin Feste^a,b, Thomas de Cazenove^a, Leila Faramarzi^a,b, Kai Vernstad^c

^aTechnology Centre Mongstad (TCM), 5954 Mongstad, Norway ^bEquinor ASA, P.O. Box 8500, 4035 Stavanger, Norway ^cSintef Materialer og Kjemi, Avd Bioteknologi, Sem Sælands vei 2, 7034 Trondheim, Norway

Abstract 

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The owners of the Technology Centre Mongstad (TCM DA) started a monoethanolamine (MEA) test campaign in June 2017. The main objective was to produce knowledge and information that can be used to reduce the cost as well as technical, environmental and financial risks of commercial scale deployment of post-combustion capture (PCC). The campaign covered experimental activities in the amine plant from the 12th of June 2017 until the 30^th of July 2018. A wide range of operating conditions were applied, thus giving a unique opportunity to study the impacts on the solvent quality, degradation behavior, corrosion tendency and emissions to the atmosphere. The current work describes how solvent quality and low emissions to atmosphere can be maintained during long- term operation by appropriate solvent management.

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