Coprecipitation Preparation of Cu/Zn/Al-Hydrotalcite-Like Compound for Copper Removal from Electroplating Wastewater

Table 3

The metal ions concentration of the electroplating wastewater and remaining metal ions concentration of residual liquid.

Ions concentration (mg·L^−1)	Zn^II	Cu^II	Ni^II	Mg^II	Al^III	Cd^II	Fe^III	Cr
Electroplating wastewater	1487.7	2689.4	1946.8	38.9	185.7	3081.4	28.5	1177.3
Residual liquid	0.31	0.46	0.10	1.81	1.23	0.00	0.00	48.07