酸性介质中桂圆壳碳点对碳钢的缓蚀性能研究

陈佳起, 侯道林, 肖晗, 高雨薇, 董社英

Corrosion Inhibition on Carbon Steel in Acidic Solution by Carbon Dots Prepared from Waste Longan Shells

CHEN Jiaqi, HOU Daolin, XIAO Han, GAO Yuwei, DONG Sheying

表3 Q235钢在不同温度下含不同浓度N-lsCDs的1 mol·L-1 HCl溶液中的腐蚀速率和缓蚀效率

Table 3 Corrosion rates and inhibition efficiencies of Q235 steel in 1 mol·L-1 HCl solutions containing different concentrations of N-lsCDs at different temperatures

C / mg·L-1 303 K 313 K 323 K CR / g·m-2·h-1 η / % CR / g·m-2·h-1 η / % CR / g·m-2·h-1 η / % 0 6.25 0 10.12 0 15.62 0 5 0.94 80.91 2.78 72.56 7.51 52.47 10 0.81 87.04 2.48 75.58 7.18 53.91 15 0.75 88.72 2.24 77.84 6.95 56.72 20 0.50 92.04 2.01 80.32 6.72 56.81