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Dynamis CO2 quality recommendations

2008; Elsevier BV; Volume: 2; Issue: 4 Linguagem: Inglês

10.1016/j.ijggc.2008.04.006

1750-5836

Erika de Visser, Chris Hendriks, Dolores Hidalgo, Mona J. Mølnvik, Gelein de Koeijer, Stefan Liljemark, Y. Le Gallo,

Phase Equilibria and Thermodynamics

In the carbon capture and storage (CCS) chain, transport and storage set different requirements for the composition of the gas stream mainly containing carbon dioxide (CO2). Currently, there is a lack of standards to define the required quality for CO2 pipelines. This study investigates and recommends likely maximum allowable concentrations of impurities in the CO2 for safe transportation in pipelines. The focus is on CO2 streams from pre-combustion processes. Among the issues addressed are safety and toxicity limits, compression work, hydrate formation, corrosion and free water formation, including the cross-effect of H2S and H2O and of H2O and CH4.