Improvement in Corrosion Inhibition Efficiency of Molybdate-Based Inhibitors via Addition of Nitroethane and Zinc in Stimulated Cooling Water

Table 3

Electrochemical polarization parameters for mild steel in SCW without inhibitor and with different inhibitors.

Inhibitor	𝐸corr(mV)	βc (mV/dcade)	βa (mV/dcade)	𝐼corr(𝜇A/cm^2)	𝜂(%)
Blank	−550	135	325	14.5	—
1000M	−285	78	187	0.186	98.6
40N	−471	154	188	5.6	61.4
20Ne	−380	98	103	1.82	87.4
60M40N	−308	141	137	1.63	88.7
40N20Ne	−340	68	74	0.83	94.3
60M20Ne	−330	108	153	0.59	96
60M40N10Zn	−318	103	86	0.7	95.2
60M20Ne10Zn	−336	79	144	0.23	98.2
60M20N20Ne10Zn	−298	90	196	0.173	98.8