HEDP、PBTCA、PAA对CaCO3垢抑制作用的电化学研究
张可桂,左兆顺,杨文忠,葛峰,陈云,尹晓爽,刘瑛

Electrochemical investigations of the inhibitory effect of HEDP, PBTCA and PAA on CaCO3 scale
Kegui Zhang,Zhaoshun Zuo,Wenzhong Yang,Feng Ge,Yun Chen,Xiaoshuang Yin,Ying Liu
表3 TA1电极在空白和含有不同浓度阻垢剂溶液中的电化学阻抗参数和阻垢率
Table 3 The electrochemical impedance parameters and scale inhibition efficiency for TA1 electrode in blank solution with and without different concentrations of inhibitors
阻垢剂 浓度/(μmol·L-1 Rs/(Ω·cm2 CPEf/(μF·cm-2 nf Rf/(Ω·cm2 CPEdl/(μF·cm-2 ndl Rct/(Ω·cm2 阻垢率/%
空白样 0 27.8 61.6 0.70 5 430 52.7 0.86 14 700
PBTCA 1.6 22.7 133.1 0.99 3 786 103.4 0.86 7 924 46.1
6.7 23.4 185.2 0.96 2 569 633.2 0.86 5 107 65.3
16.7 17.8 310.4 0.81 1 758 865.2 0.85 2 795 81.0
32 15.0 504.3 0.87 1 058 889.7 0.83 1 663 88.7
HEDP 1.6 25.4 124.0 0.60 3 828 135.5 0.86 8 472 42.4
6.7 20.7 217.6 0.74 2 719 230.8 0.80 5 747 60.9
16.7 18.7 296.2 0.88 2 061 633.7 0.79 4 016 72.7
32 15.4 418.9 0.70 1 581 730.1 0.76 2 522 82.8
PAA 1.6 26.3 77.9 0.69 3 812 146.0 0.80 10 724 27.1
6.7 22.3 143.4 0.68 3 040 525.2 0.80 7 184 51.3
16.7 20.9 198.7 0.58 2 730 831.7 0.86 4 247 71.0
32 19.6 386.7 0.56 2 017 966.3 0.79 2 830 80.7