恒定的pH值和Fe<sup>2+</sup>浓度下X65碳钢的CO<sub>2</sub>腐蚀行为

恒定的pH值和Fe²⁺浓度下X65碳钢的CO₂腐蚀行为

钟显康(

),扈俊颖

Corrosion Behavior of X65 Carbon Steel in CO₂Containing Liquids with Constant pH and Ferrous Ion Concentration

Xiankang ZHONG(

),Junying HU

图2. 加入和不加入H型离子交换树脂时X65碳钢腐蚀过程中pH值随时间的变化曲线

Fig.2. pH values as a function of time during the corrosion of X65 in 1%NaCl solution with and without hydro-gen form resin at 80 ℃ (the initial sulution: 20 mg/L Fe²⁺, pH=5.80 and $P C O 2$ =0.537×10⁵Pa)