CO<sub>2</sub>/H<sub>2</sub>S腐蚀体系中咪唑啉季铵盐与3种阳离子表面活性剂间的缓蚀协同效应

CO₂/H₂S腐蚀体系中咪唑啉季铵盐与3种阳离子表面活性剂间的缓蚀协同效应

张晨, 陆原, 赵景茂

Synergistic Inhibition Effect of Imidazoline Ammonium Salt and Three Cationic Surfactants in H₂S/CO₂ Brine Solution

ZHANG Chen, LU Yuan, ZHAO Jingmao

表1 不同缓蚀剂在含CO₂/H₂S盐水中对Q235钢的缓蚀效果

Table 1 Inhibition performance of different inhibitors on Q235 steel in CO₂/H₂S brine solution

Inhibitor	v / mm·a^-1	η / %	S
Blank	0.7174	---	---
5 mg/L IAS	0.2443	65.9	---
10 mg/L IAS	0.1072	85.1	---
5 mg/L DTAB	0.6712	6.4	---
10 mg/L DTAB	0.6538	8.9	---
5 mg/L TTAB	0.6776	5.5	---
10 mg/L TTAB	0.5631	21.5	---
5 mg/L CTAB	0.6807	5.1	---
10 mg/L CTAB	0.4312	39.9	---
5 mg/L IAS+5 mg/L DTAB	0.0765	89.3	2.98
5 mg/L IAS+5 mg/L TTAB	0.1382	80.7	1.67
5 mg/L IAS+5 mg/L CTAB	0.3819	46.8	0.61