Voltage on the distribution of the residual chlorine ion of the concrete after the electrochemical dechlorination treatment

3rd International Conference on Energy Materials and Environment Engineering

能源学;生态环境科学

Zhang, Kun^1,2 ; Shan, Wei^1 ; Sun, Wen-Bo^3

Northeast Forestry University, Harbin, China^1

Heilongjiang College of Construction, Harbin, China^2

Harbin Institute of Technology, Harbin, China^3

关键词: Applied voltages;    Calcium hydroxide solution;    Chloride extraction;    Electrochemical chloride extraction;    Electrochemical dechlorination;    Electrolyte solutions;    Mineral admixtures;    Residual chlorines;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/61/1/012058/pdf
DOI  :  10.1088/1755-1315/61/1/012058

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

This paper utilizes 60V stable voltage power, saturated calcium hydroxide solution, titanium mesh anode to analyze the influence of the mineral admixtures, applied voltage and electrolyte solution on the residual chloride ions distribution after 14 consecutive days' test of the electrochemical chloride extraction of the cylinder concrete. The results show that after electrochemical chloride extraction, the residual chloride ions content in concrete shows increasing trend from inside to outside of the reinforced interface, with the least at internal layer and the most at external layer and there are 2-3.5 times differences between internal layer and external layer. The difference between the internal layer and external layer increases with the increase of the chloride extraction voltage.