Argon Impurity Effect on Pressure Drop and Flow Pattern of CO2 Mixture Two-phase Flow in CO2 Pipeline

Abstract

Carbon-Dioxide marine geological storage is arising as one of counter-measure technology for mitigating global warming and climate change. There is three main process for CO2 storage such as capture, transport, and sequestration. Before CO2 transportation, during capture or combustion processes, various impurities such as O2, N2, SOX, NOX are inevitably included and effect on physical properties of CO2 stream. Cause of property change, pressure drop, flow pattern, storage efficiency is varied from initial estimation invoking recalculation of capital and operational expenditure. In this study, we introduce the experimental facility for flow visualization and pressure drop measure of Argon-CO2 mixture flow. Preliminary test was tried at 4 pressure points varying argon ratio from 1.4 to 16 wt%. By comparing the experimental data with pressure drop models, one of homogeneous flow model was recommended in this study. Flow pattern visualization resultis also introduced and analyzed with relation to pressure drop model.