Strong binding at high Cl⁻
A layered double hydroxide formed in dolomite-containing cementitious materials, exhibiting superior chloride binding capacity over monocarboaluminate, particularly at high chloride concentrations.
Guo, Minglei · Ziwei, Wang · Xiao, Jia · Chen, Depeng · Lv, Zhong
Construction and Building Materials 2023
Chemical chloride binding accounts for approximately 10% of the total chloride binding capacity of hydrotalcite.
Hydrotalcite exhibits greater chloride binding capacity than monocarboaluminate, especially at high chloride concentrations.
Hydrotalcite forms only within a limited range of (active magnesium)/(available aluminum) ratios.