CO2和SRB共存产出水中咪唑啉衍生物的环境行为及缓蚀长效性研究

张帆, 刘宏伟, 陈碧, 刘宏芳

Corrosion Inhibition of Imidazoline for Carbon Steel in CO2-saturated Artificial Sewages with Sulfate Reduction Bacteria

ZHANG Fan, LIU Hongwei, CHEN Bi, LIU Hongfang

表2 含不同浓度咪唑啉条件下20#碳钢的极化曲线拟合数据

Table 2 Fitting results of polarization curves of 20# carbon steel in the simulating solutions

C / mgL-1 Ecorr / mV βa / mVdec-1 βc / mVdec-1 Icorr / μAcm-2 Corrosion rate / mma-1 0 -797 70.1 167 19.9 0.235 10 -796 73.7 156 9.22 0.109 20 -778 83.2 180 6.39 0.075 50 -755 158 74.4 1.15 0.014 100 -636 140 94.3 0.544 0.006