A New Updated Model Of CO2/H2S Corrosion In Multiphase Flow
作者： S. Wang , S. Nesic , W. Sun , H. Fang , J.K-L Lee
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摘要: Following the introduction of an integrated mechanistic model CO2 corrosion in multiphase flow a few years ago, new advances have been made understanding internal mild steel pipelines. The original was and covered key underlying processes such as: kinetics electrochemical reactions at surface, dynamics coupled transient transport multiple species between bulk solution through turbulent boundary layer porous surface film, chemical including precipitation iron carbonate, as well growth protectiveness offered by carbonate scales. A updated based on latest experimental results covers previously unknown territory: very low temperatures (as 1C) high salinity brines (up to 25%wt. NaCl). However biggest breakthrough development H2S which includes sulfide solid state reaction. overall has extensively calibrated verified with reliable database.
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