Comparative Experimental Study on Calcium Oxide, Calcium Hydroxide, and Calcium Carbonate Solidified Zinc-Contaminated Red Clay

Table 2

Basic physical properties of red clay.

	Zn^2+	CaCO3	Ca(OH)2	CaO
1	0.1%	5%	5%	5%
2	0.5%	10%	10%	10%
3		15%	15%	15%