氨法脱硫液成分对304不锈钢局部腐蚀发展阶段影响探究

任万凯, 连洲洋, 周康, 罗正维, 魏无际, 张雪英

Influence of Ammonia Desulfurization Liquid Components on Localized Corrosion Development Stage of 304 Stainless Steel

REN Wankai, LIAN Zhouyang, ZHOU Kang, LUO Zhengwei, WEI Wuji, ZHANG Xueying

表1 不同初始F-浓度时的数据对比

Table 1 Comparison of data at different initial F- concentrations

F- concentration mol·L-1 Ionic transporting quantity /×10-3 mol·L-1 Corrosion rate / mm·a-1 ΔF- ΔCl- 0 0 120.53 237.22 0.05 -22.64 66.98 165.89 0.10 -32.65 53.87 142.33 0.15 -27.16 46.56 110.77 0.2 -23.45 42.12 104.84 0.25 64.63 30.03 31.41 0.3 75.36 27.86 0.251